Tigers Roster & Staff
Transactions
| Date | Transaction |
| 06/30/18 | Detroit Tigers sent RHP Drew VerHagen on a rehab assignment to Toledo Mud Hens. |
| 06/27/18 | Detroit Tigers signed OF Parker Meadows. |
| 06/27/18 | Detroit Tigers signed free agent RHP Michael Gizzi to a minor league contract. |
| 06/25/18 | Detroit Tigers signed RHP Casey Mize. |
| 06/25/18 | Detroit Tigers signed 2B Kody Clemens. |
| 06/23/18 | Detroit Tigers placed RHP Johnny Barbato on the 10-day disabled list. Right shoulder discomfort. |
| 06/23/18 | Detroit Tigers optioned 3B Ronny Rodriguez to Toledo Mud Hens. |
| 06/23/18 | Detroit Tigers activated LHP Francisco Liriano from the 10-day disabled list. |
| 06/23/18 | Detroit Tigers recalled Artie Lewicki from Toledo Mud Hens. |
| 06/22/18 | Detroit Tigers signed RHP Stevie Ledesma. |
| 06/22/18 | Detroit Tigers signed free agent C Josh Thole to a minor league contract. |
| 06/22/18 | Detroit Tigers signed free agent LHP Albert Valdez to a minor league contract. |
| 06/20/18 | Detroit Tigers signed free agent RHP Austin Anderson to a minor league contract. |
| 06/20/18 | Detroit Tigers recalled RHP Johnny Barbato from Toledo Mud Hens. |
| 06/20/18 | Detroit Tigers signed free agent C Jon Rosoff to a minor league contract. |
| 06/20/18 | Detroit Tigers signed RHP Ethan DeCaster. |
| 06/20/18 | Detroit Tigers placed RHP Drew VerHagen on the 10-day disabled list. Nasal fracture. |
| 06/20/18 | Detroit Tigers signed LHP Tarik Skubal. |
| 06/20/18 | Detroit Tigers signed RHP Maddux Conger. |
| 06/19/18 | Detroit Tigers sent LHP Daniel Stumpf on a rehab assignment to Toledo Mud Hens. |
| 06/19/18 | Detroit Tigers signed C Kevynn Arias. |
| 06/19/18 | Detroit Tigers signed LHP Jeb Bargfeldt. |
| 06/19/18 | Detroit Tigers signed C Christopher Proctor. |
| 06/19/18 | Detroit Tigers signed RHP Wes Noble. |
| 06/18/18 | Detroit Tigers signed OF Brock Deatherage. |
| 06/18/18 | Detroit Tigers signed OF Vinny Esposito. |
| 06/18/18 | Detroit Tigers signed 1B Justin Childers. |
| 06/18/18 | Detroit Tigers signed RHP Chance Kirby. |
| 06/18/18 | Detroit Tigers signed RHP Angel Reyes. |
| 06/18/18 | Detroit Tigers signed 3B Kelvin Smith. |
| 06/18/18 | Detroit Tigers signed RHP Jayce Vancena. |
| 06/18/18 | Detroit Tigers signed OF Daniel Reyes. |
| 06/18/18 | Detroit Tigers signed OF Kingston Liniak. |
| 06/18/18 | Detroit Tigers signed 1B Nick Ames. |
| 06/18/18 | Detroit Tigers signed SS Luke Sherley. |
| 06/18/18 | Detroit Tigers signed free agent LHP Carlos Perdomo to a minor league contract. |
| 06/18/18 | Detroit Tigers signed OF Avery Tuck. |
| 06/18/18 | Detroit Tigers signed OF Eric De La Rosa. |
| 06/18/18 | Detroit Tigers signed OF Reece Hampton. |
| 06/18/18 | Detroit Tigers signed OF Dayton Dugas. |
| 06/18/18 | Detroit Tigers signed LHP Jared Tobey. |
| 06/18/18 | Detroit Tigers signed RHP Garrett Hill. |
| 06/18/18 | Detroit Tigers signed RHP Hugh Smith. |
| 06/18/18 | Detroit Tigers signed RHP Yasin Chentouf. |
| 06/18/18 | Detroit Tigers signed RHP Robbie Welhaf. |
| 06/18/18 | Detroit Tigers signed LHP Adam Wolf. |
| 06/18/18 | Detroit Tigers signed RHP Chavez Fernander. |
| 06/18/18 | Detroit Tigers signed OF Matthew Jarecki. |
| 06/18/18 | Detroit Tigers signed OF Clark Brinkman. |
| 06/18/18 | Detroit Tigers signed 3B John Valente. |
| 06/18/18 | Detroit Tigers signed 3B Zach Malis. |
| 06/18/18 | Detroit Tigers signed 3B Jordan Verdon. |
| 06/18/18 | Detroit Tigers signed SS Jeremiah Burks. |
| 06/17/18 | Detroit Tigers sent LHP Francisco Liriano on a rehab assignment to Toledo Mud Hens. |
| 06/16/18 | Detroit Tigers optioned RHP Artie Lewicki to Toledo Mud Hens. |
| 06/16/18 | Detroit Tigers activated RHP Jordan Zimmermann from the 10-day injured list. |
| 06/13/18 | Detroit Tigers recalled Ronny Rodriguez from Toledo Mud Hens. |
| 06/13/18 | Detroit Tigers placed 1B Miguel Cabrera on the 10-day disabled list. Ruptured left biceps tendon. |
| 06/12/18 | Detroit Tigers recalled Grayson Greiner from Toledo Mud Hens. |
| 06/11/18 | Detroit Tigers sent RHP Jordan Zimmermann on a rehab assignment to West Michigan Whitecaps. |
| 06/11/18 | Detroit Tigers optioned RHP Zac Reininger to Toledo Mud Hens. |
| 06/08/18 | Detroit Tigers signed free agent RHP Drew Beyer to a minor league contract. |
| 06/07/18 | Detroit Tigers activated RHP Alex Wilson from the 10-day disabled list. |
| 06/07/18 | Detroit Tigers optioned 3B Ronny Rodriguez to Toledo Mud Hens. |
| 06/06/18 | Detroit Tigers signed free agent RHP Jacob Turner to a minor league contract. |
| 06/05/18 | Detroit Tigers optioned RHP Sandy Baez to Erie SeaWolves. |
| 06/05/18 | Detroit Tigers signed free agent RHP Gerson Moreno to a minor league contract. |
| 06/05/18 | Detroit Tigers sent RHP Alex Wilson on a rehab assignment to Toledo Mud Hens. |
| 06/05/18 | Detroit Tigers signed free agent LHP Hunter Cervenka to a minor league contract. |
| 06/04/18 | Detroit Tigers recalled RHP Drew VerHagen from Toledo Mud Hens. |
| 06/04/18 | Detroit Tigers recalled Sandy Baez from Erie SeaWolves. |
| 06/04/18 | Detroit Tigers sent SS Pete Kozma outright to Toledo Mud Hens. |
| 06/03/18 | Detroit Tigers signed free agent RHP Junichi Tazawa to a minor league contract. |
| 06/03/18 | Detroit Tigers optioned RHP Johnny Barbato to Toledo Mud Hens. |
| 06/02/18 | Detroit Tigers signed free agent RHP Oscar Severino to a minor league contract. |
| 06/01/18 | Detroit Tigers signed free agent RHP Juan Aguilera to a minor league contract. |
| 06/01/18 | Detroit Tigers signed free agent C David Noworyta to a minor league contract. |
| 06/01/18 | Detroit Tigers recalled Zac Reininger from Toledo Mud Hens. |
| 06/01/18 | Ryan Carpenter roster status changed by Detroit Tigers. |
| 06/01/18 | Detroit Tigers activated 1B Miguel Cabrera from the 10-day disabled list. |
| 06/01/18 | Detroit Tigers designated SS Pete Kozma for assignment. |
| 06/01/18 | Detroit Tigers signed free agent RHP Enrique Yeguez to a minor league contract. |