Tigers Roster & Staff
Transactions
| Date | Transaction |
| 06/30/12 | Detroit Tigers signed RHP Hudson Randall. |
| 06/28/12 | Detroit Tigers signed RHP Hunter Scantling. |
| 06/27/12 | Drew Longley assigned to GCL Tigers from Detroit Tigers. |
| 06/27/12 | Jake Stewart assigned to Connecticut Tigers from Detroit Tigers. |
| 06/27/12 | Josh Turley assigned to Connecticut Tigers from Detroit Tigers. |
| 06/26/12 | Detroit Tigers optioned Jacob Turner to Toledo Mud Hens. |
| 06/26/12 | Detroit Tigers activated LHP Drew Smyly from the 15-day disabled list. |
| 06/26/12 | Detroit Tigers signed free agent SS Yerison Pena to a minor league contract. |
| 06/25/12 | Detroit Tigers signed OF Jake Stewart. |
| 06/25/12 | Detroit Tigers signed LHP Josh Turley. |
| 06/25/12 | Detroit Tigers signed C Drew Longley. |
| 06/22/12 | Detroit Tigers signed free agent RHP Cesar Carrillo to a minor league contract. |
| 06/22/12 | Detroit Tigers signed RHP Andrew Harrison. |
| 06/21/12 | 1B Andrew Allen assigned to GCL Tigers from Detroit Tigers. |
| 06/21/12 | Drew VerHagen assigned to GCL Tigers from Detroit Tigers. |
| 06/21/12 | Detroit Tigers optioned Bryan Holaday to Toledo Mud Hens. |
| 06/21/12 | Detroit Tigers activated C Alex Avila from the 15-day disabled list. |
| 06/21/12 | Detroit Tigers optioned Luke Putkonen to Toledo Mud Hens. |
| 06/21/12 | Detroit Tigers recalled Jacob Turner from Toledo Mud Hens. |
| 06/20/12 | Detroit Tigers signed free agent RHP Jhonny Mateo to a minor league contract. |
| 06/19/12 | Detroit Tigers signed RHP Drew VerHagen. |
| 06/19/12 | Detroit Tigers signed 1B Andrew Allen. |
| 06/19/12 | Detroit Tigers activated RHP Octavio Dotel from the 15-day disabled list. |
| 06/19/12 | Detroit Tigers optioned RHP Thad Weber to Toledo Mud Hens. |
| 06/18/12 | Detroit Tigers signed free agent 3B Jeff Baisley to a minor league contract. |
| 06/18/12 | Detroit Tigers signed RHP Will Clinard. |
| 06/18/12 | Detroit Tigers signed CF Miguel Paulino. |
| 06/18/12 | Detroit Tigers signed OF D.J. Driggers. |
| 06/18/12 | Detroit Tigers signed C Jacob Kapstein. |
| 06/17/12 | Austin Schotts assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | Nick Carmichael assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | Joshua Carr assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | Ryan Longstreth assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | 2B Cory Jensen assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | Preston Jamison assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | Julio Felix assigned to GCL Tigers from Detroit Tigers. |
| 06/17/12 | Jake Thompson assigned to GCL Tigers from Detroit Tigers. |
| 06/16/12 | Detroit Tigers recalled Thad Weber from Toledo Mud Hens. |
| 06/16/12 | Doug Fister roster status changed by Detroit Tigers. |
| 06/16/12 | Detroit Tigers signed OF Rashad Brown. |
| 06/16/12 | Detroit Tigers optioned LF Matt Young to Toledo Mud Hens. |
| 06/16/12 | Detroit Tigers optioned Casey Crosby to Toledo Mud Hens. |
| 06/15/12 | Detroit Tigers signed SS Tyler Hanover. |
| 06/15/12 | Detroit Tigers signed LHP Jordan John. |
| 06/15/12 | Detroit Tigers signed C Charlie Neil. |
| 06/15/12 | Detroit Tigers signed LHP Preston Jamison. |
| 06/15/12 | Detroit Tigers signed OF Jeff McVaney. |
| 06/14/12 | Detroit Tigers placed LHP Drew Smyly on the 15-day disabled list retroactive to June 11, 2012. Blister on the middle finger of his left hand. |
| 06/14/12 | Detroit Tigers recalled Ryan Raburn from Toledo Mud Hens. |
| 06/13/12 | Detroit Tigers signed free agent C Tim Remes to a minor league contract. |
| 06/13/12 | Detroit Tigers signed C Bennett Pickar. |
| 06/13/12 | Detroit Tigers signed LHP Ryan Longstreth. |
| 06/13/12 | Detroit Tigers signed RHP Matt Davenport. |
| 06/13/12 | Detroit Tigers signed OF Zach Kirksey. |
| 06/13/12 | Detroit Tigers signed RHP Joshua Carr. |
| 06/13/12 | Detroit Tigers signed SS Jared Reaves. |
| 06/13/12 | Detroit Tigers signed RHP Nick Carmichael. |
| 06/13/12 | Detroit Tigers signed LHP Alex Phillips. |
| 06/13/12 | Detroit Tigers signed RHP Slade Smith. |
| 06/13/12 | Detroit Tigers signed SS Jordan Dean. |
| 06/13/12 | Detroit Tigers signed RHP Julio Felix. |
| 06/13/12 | Detroit Tigers signed RHP Charlie Gillies. |
| 06/13/12 | Detroit Tigers signed LHP Joe Rogers. |
| 06/13/12 | Detroit Tigers signed CF Austin Schotts. |
| 06/13/12 | Detroit Tigers signed RHP Jake Thompson. |
| 06/12/12 | Detroit Tigers recalled Luke Putkonen from Toledo Mud Hens. |
| 06/12/12 | Detroit Tigers placed RHP Octavio Dotel on the 15-day disabled list retroactive to June 3, 2012. Right elbow inflammation. |
| 06/12/12 | Detroit Tigers signed 2B Cory Jensen. |
| 06/12/12 | Detroit Tigers activated SS Jhonny Peralta from the paternity list. |
| 06/11/12 | Detroit Tigers optioned Hernan Perez to Lakeland Flying Tigers. |
| 06/09/12 | Detroit Tigers activated CF Austin Jackson from the 15-day disabled list. |
| 06/09/12 | Detroit Tigers optioned Jose Ortega to Toledo Mud Hens. |
| 06/09/12 | Detroit Tigers recalled Hernan Perez from Lakeland Flying Tigers. |
| 06/08/12 | Detroit Tigers sent Omir Santos outright to Toledo Mud Hens. |
| 06/06/12 | Detroit Tigers signed free agent RHP David Kopp to a minor league contract. |
| 06/06/12 | Detroit Tigers recalled Jose Ortega from Toledo Mud Hens. |
| 06/06/12 | Detroit Tigers placed C Alex Avila on the 15-day disabled list. Right hamstring strain. |
| 06/06/12 | Detroit Tigers selected the contract of Bryan Holaday from Toledo Mud Hens. |
| 06/06/12 | Detroit Tigers designated Omir Santos for assignment. |
| 06/03/12 | Detroit Tigers selected the contract of Matt Young from Toledo Mud Hens. |
| 06/03/12 | Detroit Tigers placed LF Andy Dirks on the 15-day disabled list retroactive to May 31, 2012. Right Achilles tendinitis. |
| 06/02/12 | Detroit Tigers transferred LHP Daniel Schlereth from the 15-day disabled list to the 60-day disabled list. |
| 06/01/12 | Detroit Tigers recalled Casey Crosby from Toledo Mud Hens. |
| 06/01/12 | Detroit Tigers signed free agent LHP Jesus Guzman to a minor league contract. |