| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/1/2014 | ANN | Fuld | Promoted to active roster | | | Before |
| 4/1/2014 | ANN | Pham | Demoted to reserve roster | | | Before |
| 4/4/2014 | RMO | Latos | Promoted to active roster | | | Before |
| 4/4/2014 | RMO | Pomeranz | Placed on Injured List | | 4/4/2014 | Before |
| 4/5/2014 | RMO | Cron | Promoted to active roster | | | Before |
| 4/5/2014 | RMO | Walker,C | Demoted to reserve roster | | | Before |
| 4/9/2014 | CSS | Aguilar | Demoted to reserve roster | | | Before |
| 4/9/2014 | CSS | Rosales | Promoted to active roster | | | Before |
| 4/11/2014 | RMO | Mathis | Placed on Injured List | | 4/11/2014 | Before |
| 4/11/2014 | RMO | Romine,Au | Promoted to active roster | | | Before |
| 4/12/2014 | NYD | Karns | Demoted to reserve roster | | | Before |
| 4/12/2014 | NYD | Young,CR | Promoted to active roster | | | Before |
| 4/16/2014 | BRK | Knebel | Promoted to active roster | | | Before |
| 4/16/2014 | BRK | Ray | Demoted to reserve roster | | | Before |
| 4/16/2014 | SOI | Haren | Placed on Injured List | | 4/15/2014 | Before |
| 4/16/2014 | SOI | Hendriks | Promoted to active roster | | | Before |
| 4/18/2014 | RMO | Barnes,M | Demoted to reserve roster | | | Before |
| 4/18/2014 | RMO | Nelson,J | Promoted to active roster | | | Before |
| 4/20/2014 | NYD | Barton | Demoted to reserve roster | | | Before |
| 4/20/2014 | SOI | DeSclafani | Promoted to active roster | | | Before |
| 4/20/2014 | SOI | Romine,An | Demoted to reserve roster | | | Before |
| 4/22/2014 | BRK | Gomes,J | Demoted to reserve roster | | | Before |
| 4/22/2014 | BRK | Schierholtz | Promoted to active roster | | | Before |
| 4/22/2014 | FDH | Mesoraco | Placed on Injured List | | 4/21/2014 | Before |
| 4/22/2014 | FDH | Nieto | Promoted to active roster | | | Before |
| 4/22/2014 | HAR | Smith,Ca | Demoted to reserve roster | | | Before |
| 4/22/2014 | HAR | Strickland | Promoted to active roster | | | Before |
| 4/22/2014 | NYD | Konerko | Promoted to active roster | | | Before |
| 4/25/2014 | BRK | Molina,J | Promoted to active roster | | | Before |
| 4/25/2014 | BRK | Smoak | Demoted to reserve roster | | | Before |
| 4/25/2014 | CIO | Estrada | Demoted to reserve roster | | | Before |
| 4/25/2014 | CIO | Martinez,C | Demoted to reserve roster | | | Before |
| 4/25/2014 | CIO | Peavy | Promoted to active roster | | | Before |
| 4/25/2014 | CIO | Tolleson,Sh | Promoted to active roster | | | Before |
| 4/25/2014 | CIO | Uehara | Demoted to reserve roster | | | Before |
| 4/25/2014 | CIO | Warren | Promoted to active roster | | | Before |
| 4/25/2014 | HHR | Crawford,C | Placed on Injured List | | 4/24/2014 | Before |
| 4/25/2014 | HHR | Pillar | Promoted to active roster | | | Before |
| 4/27/2014 | NYD | Heaney | Demoted to reserve roster | | | Before |
| 4/27/2014 | NYD | Wang | Promoted to active roster | | | Before |
| 4/27/2014 | SOI | Ibanez | Demoted to reserve roster | | | Before |
| 4/27/2014 | SOI | Maldonado | Promoted to active roster | | | Before |
| 4/28/2014 | SOI | Choice | Promoted to active roster | | | Before |
| 4/28/2014 | SOI | DeSclafani | Demoted to reserve roster | | | Before |
| 4/28/2014 | SOI | Arroyo | Acquired via trade | CAR | | After |
| 4/28/2014 | SOI | Colon,B | Acquired via trade | CAR | | After |
| 4/28/2014 | SOI | Lowrie | Acquired via trade | CAR | | After |
| 4/28/2014 | SOI | Murphy,Dan | Traded away | CAR | | After |
| 4/28/2014 | SOI | Pence | Traded away | CAR | | After |
| 4/29/2014 | SOI | Ibanez | Promoted to active roster | | | Before |
| 4/29/2014 | SOI | Maldonado | Demoted to reserve roster | | | Before |
| 4/30/2014 | BRK | Knebel | Demoted to reserve roster | | | Before |
| 4/30/2014 | BRK | Ray | Promoted to active roster | | | Before |
| 4/30/2014 | CSS | Gausman | Promoted to active roster | | | Before |
| 4/30/2014 | CSS | Sabathia | Demoted to reserve roster | | | Before |
| 4/30/2014 | RMO | Nelson,J | Demoted to reserve roster | | | Before |
| 4/30/2014 | SOI | Haren | Activated from Injured List | | | Before |
| 4/30/2014 | SOI | Hendriks | Demoted to reserve roster | | | Before |
| 5/1/2014 | RMO | Albers | Demoted to reserve roster | | | Before |
| 5/1/2014 | RMO | Descalso | Promoted to active roster | | | Before |
| 5/1/2014 | RMO | Dunn,A | Demoted to reserve roster | | | Before |
| 5/1/2014 | RMO | Encarnacion | Promoted to active roster | | | Before |
| 5/1/2014 | RMO | Gardner | Promoted to active roster | | | Before |
| 5/1/2014 | RMO | Peterson | Demoted to reserve roster | | | Before |
| 5/1/2014 | RMO | Pomeranz | Activated from Injured List | | | Before |
| 5/1/2014 | RMO | Romine,Au | Placed on Injured List | | 5/1/2014 | Before |
| 5/1/2014 | RMO | Stanton | Promoted to active roster | | | Before |
| 5/1/2014 | RMO | Wood,T | Demoted to reserve roster | | | Before |
| 5/2/2014 | CIO | De Aza | Demoted to reserve roster | | | Before |
| 5/2/2014 | CIO | Jones,J | Promoted to active roster | | | Before |
| 5/3/2014 | ANN | Gentry | Promoted to active roster | | | Before |
| 5/3/2014 | ANN | Souza | Demoted to reserve roster | | | Before |
| 5/4/2014 | FDH | Brown,B | Demoted to reserve roster | | | Before |
| 5/4/2014 | FDH | Grimm | Promoted to active roster | | | Before |
| 5/5/2014 | HHR | Arenado | Placed on Injured List | | 4/30/2014 | Before |
| 5/5/2014 | HHR | Odor | Promoted to active roster | | | Before |
| 5/7/2014 | FDH | Mesoraco | Activated from Injured List | | | Before |
| 5/7/2014 | FDH | Nieto | Demoted to reserve roster | | | Before |
| 5/7/2014 | RMO | Hammel | Acquired via trade | CEN | | After |
| 5/9/2014 | FDH | Carrasco | Promoted to active roster | | | Before |
| 5/9/2014 | FDH | Lohse | Demoted to reserve roster | | | Before |
| 5/9/2014 | RMO | Cowgill | Demoted to reserve roster | | | Before |
| 5/9/2014 | RMO | Latos | Demoted to reserve roster | | | Before |
| 5/9/2014 | RMO | Latos | Promoted to active roster | | | Before |
| 5/9/2014 | RMO | Pena,B | Demoted to reserve roster | | | Before |
| 5/9/2014 | RMO | Pena,B | Promoted to active roster | | | Before |
| 5/9/2014 | RMO | Ruiz | Promoted to active roster | | | Before |
| 5/9/2014 | RMO | Sanchez,H | Demoted to reserve roster | | | Before |
| 5/9/2014 | RMO | Mathis | Traded away | BAR | | After |
| 5/9/2014 | RMO | Ramirez,H | Acquired via trade | BAR | | After |
| 5/9/2014 | RMO | Ruiz | Acquired via trade | BAR | | After |
| 5/10/2014 | CSS | Gonzalez,Mi | Promoted to active roster | | | Before |
| 5/10/2014 | CSS | Mikolas | Demoted to reserve roster | | | Before |
| 5/10/2014 | HHR | Alonso | Promoted to active roster | | | Before |
| 5/10/2014 | HHR | Hosmer | Placed on Injured List | | 5/9/2014 | Before |
| 5/11/2014 | BRK | Leon | Demoted to reserve roster | | | Before |
| 5/11/2014 | BRK | Smoak | Promoted to active roster | | | Before |
| 5/13/2014 | ANN | Gentry | Demoted to reserve roster | | | Before |
| 5/13/2014 | ANN | Olivo | Promoted to active roster | | | Before |
| 5/15/2014 | HHR | Arenado | Activated from Injured List | | | Before |
| 5/15/2014 | HHR | Beckham | Placed on Injured List | | 5/13/2014 | Before |
| 5/15/2014 | NYD | Paulino | Demoted to reserve roster | | | Before |
| 5/15/2014 | NYD | Rosenberg | Promoted to active roster | | | Before |
| 5/16/2014 | CSS | Flowers | Promoted to active roster | | | Before |
| 5/16/2014 | CSS | Ramos,W | Placed on Injured List | | 5/16/2014 | Before |
| 5/16/2014 | RMO | Amarista | Traded away | CAR | | After |
| 5/16/2014 | RMO | Eveland | Acquired via trade | CAR | | After |
| 5/16/2014 | RMO | Varvaro | Acquired via trade | CAR | | After |
| 5/17/2014 | NYD | Hendricks | Demoted to reserve roster | | | Before |
| 5/17/2014 | NYD | Jurrjens | Promoted to active roster | | | Before |
| 5/17/2014 | RMO | Cron | Demoted to reserve roster | | | Before |
| 5/17/2014 | RMO | Cruz,T | Demoted to reserve roster | | | Before |
| 5/17/2014 | RMO | Cruz,T | Promoted to active roster | | | Before |
| 5/17/2014 | RMO | Eveland | Demoted to reserve roster | | | Before |
| 5/17/2014 | RMO | Hamilton,B | Demoted to reserve roster | | | Before |
| 5/17/2014 | RMO | Latos | Demoted to reserve roster | | | Before |
| 5/17/2014 | RMO | Latos | Promoted to active roster | | | Before |
| 5/17/2014 | RMO | Peterson | Promoted to active roster | | | Before |
| 5/17/2014 | RMO | Sanchez,H | Promoted to active roster | | | Before |
| 5/17/2014 | RMO | Carter | Acquired via trade | CEN | | After |
| 5/17/2014 | RMO | Descalso | Traded away | CEN | | After |
| 5/17/2014 | RMO | Odorizzi | Traded away | CEN | | After |
| 5/17/2014 | RMO | Pena,B | Traded away | CEN | | After |
| 5/17/2014 | RMO | Utley | Acquired via trade | CEN | | After |
| 5/17/2014 | RMO | Vargas,J | Acquired via trade | CEN | | After |
| 5/18/2014 | ANN | Fernandez | Demoted to reserve roster | | | Before |
| 5/18/2014 | CIO | Bloomquist | Promoted to active roster | | | Before |
| 5/18/2014 | CIO | Escobar,Edu | Placed on Injured List | | 5/18/2014 | Before |
| 5/18/2014 | CIO | Estrada | Promoted to active roster | | | Before |
| 5/18/2014 | CIO | Keuchel | Demoted to reserve roster | | | Before |
| 5/18/2014 | CIO | Keuchel | Promoted to active roster | | | Before |
| 5/18/2014 | CIO | Keuchel | Demoted to reserve roster | | | Before |
| 5/18/2014 | FDH | Cashner | Placed on Injured List | | 5/17/2014 | Before |
| 5/18/2014 | FDH | Lohse | Promoted to active roster | | | Before |
| 5/18/2014 | HHR | Blanco,G | Demoted to reserve roster | | | Before |
| 5/18/2014 | HHR | Crawford,C | Activated from Injured List | | | Before |
| 5/19/2014 | ANN | Chatwood | Promoted to active roster | | | Before |
| 5/19/2014 | BRK | Parker,B | Demoted to reserve roster | | | Before |
| 5/19/2014 | BRK | Workman | Promoted to active roster | | | Before |
| 5/19/2014 | CSS | Rosales | Demoted to reserve roster | | | Before |
| 5/19/2014 | CSS | Singleton | Promoted to active roster | | | Before |
| 5/19/2014 | NYD | Harper | Placed on Injured List | | 5/19/2014 | Before |
| 5/19/2014 | NYD | Nix | Promoted to active roster | | | Before |
| 5/20/2014 | BRK | Paxton | Demoted to reserve roster | | | Before |
| 5/20/2014 | BRK | Rusin | Promoted to active roster | | | Before |
| 5/23/2014 | HAR | Barmes | Promoted to active roster | | | Before |
| 5/23/2014 | HAR | Castro,J | Demoted to reserve roster | | | Before |
| 5/23/2014 | HAR | Harrison,J | Placed on Injured List | | 5/22/2014 | Before |
| 5/23/2014 | HAR | Nava | Placed on Injured List | | 5/19/2014 | Before |
| 5/23/2014 | HAR | Sale | Demoted to reserve roster | | | Before |
| 5/23/2014 | HAR | Sanchez,Aa | Promoted to active roster | | | Before |
| 5/23/2014 | HAR | Stewart,C | Promoted to active roster | | | Before |
| 5/23/2014 | HAR | Vargas,K | Promoted to active roster | | | Before |
| 5/24/2014 | BRK | Baez,J | Demoted to reserve roster | | | Before |
| 5/24/2014 | BRK | Uggla | Promoted to active roster | | | Before |
| 5/24/2014 | SOI | Anderson,Bre | Promoted to active roster | | | Before |
| 5/24/2014 | SOI | Bass | Promoted to active roster | | | Before |
| 5/24/2014 | SOI | Hunter,Tom | Placed on Injured List | | 5/22/2014 | Before |
| 5/24/2014 | SOI | McFarland | Placed on Injured List | | 5/24/2014 | Before |
| 5/25/2014 | BRK | Doubront | Promoted to active roster | | | Before |
| 5/25/2014 | BRK | Yates | Demoted to reserve roster | | | Before |
| 5/25/2014 | HHR | Alonso | Demoted to reserve roster | | | Before |
| 5/25/2014 | HHR | Hosmer | Activated from Injured List | | | Before |
| 5/25/2014 | HHR | Perkins | Promoted to active roster | | | Before |
| 5/25/2014 | HHR | Shreve | Demoted to reserve roster | | | Before |
| 5/26/2014 | CIO | Buchholz | Demoted to reserve roster | | | Before |
| 5/26/2014 | CIO | Kazmir | Demoted to reserve roster | | | Before |
| 5/26/2014 | CIO | Martinez,C | Promoted to active roster | | | Before |
| 5/26/2014 | CIO | Sipp | Demoted to reserve roster | | | Before |
| 5/26/2014 | CIO | Tomlin | Promoted to active roster | | | Before |
| 5/26/2014 | CIO | Uehara | Promoted to active roster | | | Before |
| 5/26/2014 | HAR | Davis,K | Placed on Injured List | | 5/24/2014 | Before |
| 5/26/2014 | HAR | Zimmerman,R | Promoted to active roster | | | Before |
| 5/26/2014 | NYD | Cozart | Placed on Injured List | | 5/26/2014 | Before |
| 5/26/2014 | NYD | Pena,R | Promoted to active roster | | | Before |
| 5/29/2014 | FDH | Lohse | Placed on Injured List | | 5/27/2014 | Before |
| 5/29/2014 | FDH | Wright,J | Promoted to active roster | | | Before |
| 5/30/2014 | HAR | Liriano,F | Demoted to reserve roster | | | Before |
| 5/30/2014 | HAR | Morgan | Promoted to active roster | | | Before |
| 5/30/2014 | HAR | Prado | Placed on Injured List | | 5/30/2014 | Before |
| 5/30/2014 | HAR | Sale | Promoted to active roster | | | Before |
| 5/31/2014 | HAR | Farquhar | Promoted to active roster | | | Before |
| 5/31/2014 | HAR | Strickland | Demoted to reserve roster | | | Before |
| 5/31/2014 | NYD | Holaday | Promoted to active roster | | | Before |
| 5/31/2014 | NYD | Hundley | Demoted to reserve roster | | | Before |
| 6/1/2014 | BRK | Gomes,J | Promoted to active roster | | | Before |
| 6/1/2014 | BRK | Hicks,A | Demoted to reserve roster | | | Before |
| 6/1/2014 | FDH | Cashner | Activated from Injured List | | | Before |
| 6/2/2014 | CIO | Bloomquist | Demoted to reserve roster | | | Before |
| 6/2/2014 | CIO | Davis,W | Demoted to reserve roster | | | Before |
| 6/2/2014 | CIO | Escobar,Edu | Activated from Injured List | | | Before |
| 6/2/2014 | CIO | Manship | Promoted to active roster | | | Before |
| 6/2/2014 | FDH | McHugh | Placed on Injured List | | 6/2/2014 | Before |
| 6/2/2014 | FDH | Walden | Promoted to active roster | | | Before |
| 6/2/2014 | NYD | Jurrjens | Demoted to reserve roster | | | Before |
| 6/2/2014 | NYD | Nicasio | Promoted to active roster | | | Before |
| 6/3/2014 | NYD | Harper | Activated from Injured List | | | Before |
| 6/3/2014 | NYD | Nix | Demoted to reserve roster | | | Before |
| 6/4/2014 | CIO | Denorfia | Promoted to active roster | | | Before |
| 6/4/2014 | CIO | Pollock | Placed on Injured List | | 6/4/2014 | Before |
| 6/4/2014 | HAR | Morgan | Demoted to reserve roster | | | Before |
| 6/4/2014 | HAR | Nava | Activated from Injured List | | | Before |
| 6/4/2014 | NYD | Pelfrey | Promoted to active roster | | | Before |
| 6/4/2014 | NYD | Rosenberg | Demoted to reserve roster | | | Before |
| 6/5/2014 | HHR | Beckham | Activated from Injured List | | | Before |
| 6/5/2014 | HHR | Lawrie | Demoted to reserve roster | | | Before |
| 6/5/2014 | NYD | Correia | Promoted to active roster | | | Before |
| 6/5/2014 | NYD | Hahn | Placed on Injured List | | 6/4/2014 | Before |
| 6/7/2014 | RMO | Cruz,T | Promoted to active roster | | | Before |
| 6/7/2014 | RMO | Romine,Au | Activated from Injured List | | | Before |
| 6/7/2014 | RMO | Ruiz | Placed on Injured List | | 6/6/2014 | Before |
| 6/7/2014 | RMO | Sanchez,H | Placed on Injured List | | 6/5/2014 | Before |
| 6/8/2014 | CSS | Hill,A | Promoted to active roster | | | Before |
| 6/8/2014 | CSS | Olt | Demoted to reserve roster | | | Before |
| 6/8/2014 | CSS | Callaspo | Acquired via trade | TEW | | After |
| 6/8/2014 | CSS | Ramirez,Ar | Traded away | TEW | | After |
| 6/8/2014 | CSS | Rodriguez (AG) | Acquired via trade | TEW | | After |
| 6/8/2014 | HAR | Barmes | Demoted to reserve roster | | | Before |
| 6/8/2014 | HAR | Davis,C | Promoted to active roster | | | Before |
| 6/8/2014 | HAR | Harrison,J | Promoted to active roster | | | Before |
| 6/8/2014 | HAR | Vargas,K | Demoted to reserve roster | | | Before |
| 6/10/2014 | ANN | Jones,G | Promoted to active roster | | | Before |
| 6/10/2014 | ANN | Napoli | Traded away | TEW | | After |
| 6/10/2014 | BRK | Ray | Demoted to reserve roster | | | Before |
| 6/10/2014 | BRK | Straily | Promoted to active roster | | | Before |
| 6/10/2014 | NYD | Cozart | Activated from Injured List | | | Before |
| 6/10/2014 | NYD | Pena,R | Demoted to reserve roster | | | Before |
| 6/12/2014 | CIO | Keuchel | Promoted to active roster | | | Before |
| 6/12/2014 | CIO | Martinez,C | Demoted to reserve roster | | | Before |
| 6/12/2014 | HHR | Joseph,C | Placed on Injured List | | 6/11/2014 | Before |
| 6/12/2014 | HHR | Recker | Promoted to active roster | | | Before |
| 6/14/2014 | CIO | Machado | Demoted to reserve roster | | | Before |
| 6/14/2014 | CIO | Rupp | Promoted to active roster | | | Before |
| 6/17/2014 | BRK | Espinosa | Promoted to active roster | | | Before |
| 6/17/2014 | BRK | Hechavarria | Placed on Injured List | | 6/17/2014 | Before |
| 6/17/2014 | BRK | Rusin | Demoted to reserve roster | | | Before |
| 6/17/2014 | BRK | Turner,Ja | Promoted to active roster | | | Before |
| 6/17/2014 | HAR | Davis,K | Activated from Injured List | | | Before |
| 6/17/2014 | HAR | Giles | Demoted to reserve roster | | | Before |
| 6/17/2014 | HAR | Harris | Demoted to reserve roster | | | Before |
| 6/17/2014 | HAR | Liriano,F | Promoted to active roster | | | Before |
| 6/17/2014 | HAR | Pearce | Demoted to reserve roster | | | Before |
| 6/17/2014 | HAR | Prado | Promoted to active roster | | | Before |
| 6/18/2014 | ANN | Aviles | Promoted to active roster | | | Before |
| 6/18/2014 | ANN | Gonzalez,Ma | Placed on Injured List | | 6/18/2014 | Before |
| 6/19/2014 | CIO | Kazmir | Promoted to active roster | | | Before |
| 6/19/2014 | CIO | Peavy | Demoted to reserve roster | | | Before |
| 6/20/2014 | RMO | Romine,Au | Demoted to reserve roster | | | Before |
| 6/20/2014 | RMO | Sanchez,H | Activated from Injured List | | | Before |
| 6/21/2014 | BRK | Buck | Promoted to active roster | | | Before |
| 6/21/2014 | BRK | d'Arnaud,T | Placed on Injured List | | 6/21/2014 | Before |
| 6/21/2014 | FDH | Carrasco | Placed on Injured List | | 6/20/2014 | Before |
| 6/21/2014 | HAR | Castro,J | Promoted to active roster | | | Before |
| 6/21/2014 | HAR | Stewart,C | Placed on Injured List | | 6/21/2014 | Before |
| 6/21/2014 | NYD | Dyson,S | Demoted to reserve roster | | | Before |
| 6/21/2014 | NYD | Hahn | Activated from Injured List | | | Before |
| 6/22/2014 | ANN | Chatwood | Demoted to reserve roster | | | Before |
| 6/22/2014 | ANN | Deduno | Promoted to active roster | | | Before |
| 6/22/2014 | ANN | Perez,M | Demoted to reserve roster | | | Before |
| 6/22/2014 | ANN | Williams,Je | Promoted to active roster | | | Before |
| 6/22/2014 | CSS | Frieri | Promoted to active roster | | | Before |
| 6/22/2014 | CSS | Thornburg | Demoted to reserve roster | | | Before |
| 6/22/2014 | FDH | McHugh | Activated from Injured List | | | Before |
| 6/22/2014 | NYD | De La Rosa,R | Promoted to active roster | | | Before |
| 6/22/2014 | NYD | Hahn | Demoted to reserve roster | | | Before |
| 6/22/2014 | SOI | Bass | Placed on Injured List | | 6/22/2014 | Before |
| 6/22/2014 | SOI | Valverde | Promoted to active roster | | | Before |
| 6/24/2014 | BRK | Morrow | Demoted to reserve roster | | | Before |
| 6/24/2014 | BRK | Nolasco | Promoted to active roster | | | Before |
| 6/25/2014 | CIO | Betances | Demoted to reserve roster | | | Before |
| 6/25/2014 | CIO | Davis,W | Promoted to active roster | | | Before |
| 6/26/2014 | BRK | Hughes,J | Demoted to reserve roster | | | Before |
| 6/26/2014 | BRK | Rienzo | Promoted to active roster | | | Before |
| 6/26/2014 | CSS | Marisnick | Promoted to active roster | | | Before |
| 6/26/2014 | CSS | Springer | Demoted to reserve roster | | | Before |
| 6/26/2014 | FDH | Lind | Demoted to reserve roster | | | Before |
| 6/26/2014 | FDH | Lohse | Activated from Injured List | | | Before |
| 6/26/2014 | FDH | Rua | Promoted to active roster | | | Before |
| 6/26/2014 | FDH | Wright,J | Demoted to reserve roster | | | Before |
| 6/26/2014 | NYD | Phelps,D | Demoted to reserve roster | | | Before |
| 6/26/2014 | NYD | Saunders,J | Promoted to active roster | | | Before |
| 6/27/2014 | ANN | Chisenhall | Placed on Injured List | | 6/26/2014 | Before |
| 6/27/2014 | ANN | McGehee | Promoted to active roster | | | Before |
| 7/1/2014 | NYD | Carp | Promoted to active roster | | | Before |
| 7/1/2014 | NYD | Konerko | Demoted to reserve roster | | | Before |
| 7/1/2014 | SOI | Hunter,Tom | Activated from Injured List | | | Before |
| 7/1/2014 | SOI | Treinen | Demoted to reserve roster | | | Before |
| 7/2/2014 | CIO | Buchholz | Promoted to active roster | | | Before |
| 7/2/2014 | CIO | Capps | Promoted to active roster | | | Before |
| 7/2/2014 | CIO | Estrada | Demoted to reserve roster | | | Before |
| 7/2/2014 | CIO | Manship | Demoted to reserve roster | | | Before |
| 7/2/2014 | CIO | Sipp | Promoted to active roster | | | Before |
| 7/2/2014 | CIO | Uehara | Demoted to reserve roster | | | Before |
| 7/3/2014 | BRK | Hechavarria | Activated from Injured List | | | Before |
| 7/3/2014 | BRK | Uggla | Demoted to reserve roster | | | Before |
| 7/4/2014 | HHR | Hutchison | Promoted to active roster | | | Before |
| 7/4/2014 | HHR | Kershaw | Placed on Injured List | | 6/28/2014 | Before |
| 7/5/2014 | CIO | Cabrera,E | Promoted to active roster | | | Before |
| 7/5/2014 | CIO | Casali | Demoted to reserve roster | | | Before |
| 7/5/2014 | CIO | Coghlan | Demoted to reserve roster | | | Before |
| 7/5/2014 | CIO | Phegley | Promoted to active roster | | | Before |
| 7/5/2014 | SOI | Romine,An | Promoted to active roster | | | Before |
| 7/5/2014 | SOI | Semien | Demoted to reserve roster | | | Before |
| 7/6/2014 | CSS | Callaspo | Promoted to active roster | | | Before |
| 7/6/2014 | CSS | Forsythe | Demoted to reserve roster | | | Before |
| 7/6/2014 | CSS | Ramos,W | Promoted to active roster | | | Before |
| 7/6/2014 | CSS | Ross,D | Demoted to reserve roster | | | Before |
| 7/6/2014 | HAR | Harris | Promoted to active roster | | | Before |
| 7/6/2014 | HAR | Peralta,W | Promoted to active roster | | | Before |
| 7/6/2014 | HAR | Roark | Placed on Injured List | | 7/5/2014 | Before |
| 7/6/2014 | HAR | Sanchez,Aa | Demoted to reserve roster | | | Before |
| 7/6/2014 | RMO | Ruiz | Activated from Injured List | | | Before |
| 7/6/2014 | RMO | Sanchez,H | Placed on Injured List | | 7/5/2014 | Before |
| 7/7/2014 | SOI | Bass | Activated from Injured List | | | Before |
| 7/7/2014 | SOI | Stammen | Demoted to reserve roster | | | Before |
| 7/8/2014 | ANN | Gonzalez,Ma | Activated from Injured List | | | Before |
| 7/8/2014 | ANN | Gonzalez,Ma | Demoted to reserve roster | | | Before |
| 7/8/2014 | BRK | Buck | Demoted to reserve roster | | | Before |
| 7/8/2014 | BRK | d'Arnaud,T | Activated from Injured List | | | Before |
| 7/9/2014 | ANN | Aviles | Demoted to reserve roster | | | Before |
| 7/9/2014 | ANN | Gonzalez,Ma | Promoted to active roster | | | Before |
| 7/9/2014 | BRK | Buck | Promoted to active roster | | | Before |
| 7/9/2014 | BRK | Joyce | Demoted to reserve roster | | | Before |
| 7/9/2014 | HAR | Nava | Placed on Injured List | | 7/9/2014 | Before |
| 7/9/2014 | HAR | Pearce | Promoted to active roster | | | Before |
| 7/11/2014 | ANN | Nova | Demoted to reserve roster | | | Before |
| 7/11/2014 | FDH | Lind | Promoted to active roster | | | Before |
| 7/11/2014 | FDH | Votto | Demoted to reserve roster | | | Before |
| 7/11/2014 | HHR | Kiermaier | Demoted to reserve roster | | | Before |
| 7/12/2014 | CSS | Grossman | Demoted to reserve roster | | | Before |
| 7/12/2014 | CSS | Lucas | Promoted to active roster | | | Before |
| 7/12/2014 | NYD | Hudson,T | Demoted to reserve roster | | | Before |
| 7/12/2014 | NYD | Hand | Traded away | CTW | | After |
| 7/12/2014 | NYD | Hudson,T | Acquired via trade | CTW | | After |
| 7/13/2014 | HAR | Castro,J | Demoted to reserve roster | | | Before |
| 7/13/2014 | HAR | Giles | Promoted to active roster | | | Before |
| 7/13/2014 | HAR | Harris | Demoted to reserve roster | | | Before |
| 7/13/2014 | HAR | Stewart,C | Activated from Injured List | | | Before |
| 7/13/2014 | SOI | Anderson,Bre | Placed on Injured List | | 7/12/2014 | Before |
| 7/13/2014 | SOI | McFarland | Activated from Injured List | | | Before |
| 7/14/2014 | BRK | Buck | Demoted to reserve roster | | | Before |
| 7/14/2014 | BRK | Craig | Promoted to active roster | | | Before |
| 7/14/2014 | BRK | Joyce | Promoted to active roster | | | Before |
| 7/14/2014 | BRK | Smoak | Demoted to reserve roster | | | Before |
| 7/14/2014 | NYD | Hudson,T | Promoted to active roster | | | Before |
| 7/14/2014 | NYD | Nicasio | Placed on Injured List | | 7/14/2014 | Before |
| 7/17/2014 | ANN | Chisenhall | Activated from Injured List | | | Before |
| 7/17/2014 | ANN | McGehee | Demoted to reserve roster | | | Before |
| 7/17/2014 | ANN | Tepesch | Promoted to active roster | | | Before |
| 7/17/2014 | BRK | Peacock | Demoted to reserve roster | | | Before |
| 7/17/2014 | BRK | Rodriguez,Wa | Promoted to active roster | | | Before |
| 7/17/2014 | CSS | Olt | Promoted to active roster | | | Before |
| 7/17/2014 | CSS | Rodriguez,S | Demoted to reserve roster | | | Before |
| 7/17/2014 | NYD | Wang | Demoted to reserve roster | | | Before |
| 7/18/2014 | CIO | Betances | Promoted to active roster | | | Before |
| 7/18/2014 | CIO | Tolleson,Sh | Demoted to reserve roster | | | Before |
| 7/18/2014 | HHR | Hardy,B | Demoted to reserve roster | | | Before |
| 7/18/2014 | HHR | Lawrie | Promoted to active roster | | | Before |
| 7/18/2014 | NYD | Lyles | Promoted to active roster | | | Before |
| 7/18/2014 | SOI | Goins | Promoted to active roster | | | Before |
| 7/18/2014 | SOI | Wong | Demoted to reserve roster | | | Before |
| 7/19/2014 | RMO | Carter | Traded away | CIN | | After |
| 7/19/2014 | RMO | Cosart | Traded away | CIN | | After |
| 7/19/2014 | RMO | Dunn,A | Traded away | CIN | | After |
| 7/19/2014 | RMO | Feldman | Acquired via trade | CIN | | After |
| 7/19/2014 | RMO | Fowler | Acquired via trade | CIN | | After |
| 7/19/2014 | RMO | Latos | Traded away | CIN | | After |
| 7/19/2014 | RMO | Simon | Acquired via trade | CIN | | After |
| 7/20/2014 | HAR | Barmes | Promoted to active roster | | | Before |
| 7/20/2014 | HAR | Johnson,C | Demoted to reserve roster | | | Before |
| 7/20/2014 | HAR | Peralta,W | Demoted to reserve roster | | | Before |
| 7/20/2014 | HAR | Roark | Activated from Injured List | | | Before |
| 7/20/2014 | RMO | Cron | Promoted to active roster | | | Before |
| 7/20/2014 | RMO | Feldman | Demoted to reserve roster | | | Before |
| 7/20/2014 | RMO | Hamilton,B | Demoted to reserve roster | | | Before |
| 7/20/2014 | RMO | Hamilton,B | Promoted to active roster | | | Before |
| 7/20/2014 | RMO | LeBlanc | Promoted to active roster | | | Before |
| 7/20/2014 | RMO | Nelson,J | Promoted to active roster | | | Before |
| 7/20/2014 | RMO | Reddick | Demoted to reserve roster | | | Before |
| 7/20/2014 | RMO | Simon | Activated from Injured List | | | Before |
| 7/20/2014 | RMO | Simon | Demoted to reserve roster | | | Before |
| 7/21/2014 | BRK | Martin,C | Promoted to active roster | | | Before |
| 7/21/2014 | BRK | Ryu | Demoted to reserve roster | | | Before |
| 7/21/2014 | NYD | Familia | Demoted to reserve roster | | | Before |
| 7/21/2014 | NYD | Santiago,H | Promoted to active roster | | | Before |
| 7/22/2014 | CIO | Martinez,C | Promoted to active roster | | | Before |
| 7/22/2014 | CIO | Murphy,J | Promoted to active roster | | | Before |
| 7/22/2014 | CIO | Peralta,D | Placed on Injured List | | 7/21/2014 | Before |
| 7/22/2014 | CIO | Schumaker | Promoted to active roster | | | Before |
| 7/22/2014 | CIO | Valencia | Demoted to reserve roster | | | Before |
| 7/22/2014 | CIO | Warren | Demoted to reserve roster | | | Before |
| 7/23/2014 | HHR | Blanco,G | Promoted to active roster | | | Before |
| 7/23/2014 | HHR | Crawford,C | Placed on Injured List | | 7/22/2014 | Before |
| 7/23/2014 | HHR | Kershaw | Activated from Injured List | | | Before |
| 7/23/2014 | HHR | Pillar | Demoted to reserve roster | | | Before |
| 7/23/2014 | HHR | Venable | Promoted to active roster | | | Before |
| 7/24/2014 | FDH | Carrasco | Activated from Injured List | | | Before |
| 7/24/2014 | FDH | Cashner | Placed on Injured List | | 7/23/2014 | Before |
| 7/24/2014 | HHR | Clippard | Demoted to reserve roster | | | Before |
| 7/24/2014 | HHR | Clippard | Promoted to active roster | | | Before |
| 7/24/2014 | HHR | Joseph,C | Activated from Injured List | | | Before |
| 7/24/2014 | HHR | Matusz | Promoted to active roster | | | Before |
| 7/24/2014 | HHR | Pennington | Demoted to reserve roster | | | Before |
| 7/24/2014 | HHR | Recker | Demoted to reserve roster | | | Before |
| 7/24/2014 | HHR | Sweeney | Promoted to active roster | | | Before |
| 7/24/2014 | HHR | Ziegler | Demoted to reserve roster | | | Before |
| 7/24/2014 | SOI | Arroyo | Promoted to active roster | | | Before |
| 7/24/2014 | SOI | De La Rosa,J | Placed on Injured List | | 7/21/2014 | Before |
| 7/24/2014 | SOI | Gibson | Demoted to reserve roster | | | Before |
| 7/24/2014 | SOI | Hendriks | Promoted to active roster | | | Before |
| 7/24/2014 | SOI | Pressly | Promoted to active roster | | | Before |
| 7/24/2014 | SOI | Valverde | Demoted to reserve roster | | | Before |
| 7/25/2014 | HHR | Pennington | Promoted to active roster | | | Before |
| 7/25/2014 | HHR | Polanco,G | Demoted to reserve roster | | | Before |
| 7/26/2014 | FDH | Benoit | Demoted to reserve roster | | | Before |
| 7/26/2014 | FDH | Kohn | Promoted to active roster | | | Before |
| 7/27/2014 | CSS | Bergman | Promoted to active roster | | | Before |
| 7/27/2014 | CSS | Crow | Promoted to active roster | | | Before |
| 7/27/2014 | CSS | Happ | Placed on Injured List | | 7/27/2014 | Before |
| 7/27/2014 | CSS | Maholm | Demoted to reserve roster | | | Before |
| 7/28/2014 | CSS | Cingrani | Promoted to active roster | | | Before |
| 7/28/2014 | CSS | Gonzalez,Mi | Placed on Injured List | | 7/28/2014 | Before |
| 7/28/2014 | HAR | Casilla,S | Demoted to reserve roster | | | Before |
| 7/28/2014 | HAR | Vincent | Promoted to active roster | | | Before |
| 7/29/2014 | BRK | Dominguez,M | Promoted to active roster | | | Before |
| 7/29/2014 | BRK | Gomes,J | Placed on Injured List | | 7/29/2014 | Before |
| 7/30/2014 | HHR | Niese | Demoted to reserve roster | | | Before |
| 7/30/2014 | HHR | Ziegler | Promoted to active roster | | | Before |
| 8/2/2014 | NYD | Pelfrey | Demoted to reserve roster | | | Before |