Blue Jays Roster & Staff
Transactions
| Date | Transaction |
| 06/28/19 | Toronto Blue Jays activated 1B Justin Smoak from the 10-day injured list. |
| 06/28/19 | Toronto Blue Jays optioned LF Billy McKinney to Buffalo Bisons. |
| 06/26/19 | Toronto Blue Jays sent LHP Ryan Borucki on a rehab assignment to GCL Blue Jays. |
| 06/25/19 | Toronto Blue Jays signed free agent C Anthony Morales to a minor league contract. |
| 06/23/19 | Toronto Blue Jays signed LHP Jimmy Robbins. |
| 06/23/19 | Toronto Blue Jays signed RHP Blake Sanderson. |
| 06/23/19 | Toronto Blue Jays optioned RHP Jordan Romano to Buffalo Bisons. |
| 06/23/19 | Toronto Blue Jays recalled Sean Reid-Foley from Buffalo Bisons. |
| 06/23/19 | Toronto Blue Jays signed RHP Nick Neal. |
| 06/20/19 | Toronto Blue Jays signed RHP Jackxarel Lebron. |
| 06/20/19 | Toronto Blue Jays activated RHP Ken Giles from the 10-day injured list. |
| 06/20/19 | Toronto Blue Jays optioned RHP Justin Shafer to Buffalo Bisons. |
| 06/19/19 | Toronto Blue Jays signed RHP Parker Caracci. |
| 06/18/19 | Toronto Blue Jays recalled Billy McKinney from Buffalo Bisons. |
| 06/18/19 | Toronto Blue Jays placed RHP Edwin Jackson on the 10-day injured list. Lower back strain. |
| 06/18/19 | Toronto Blue Jays placed 1B Justin Smoak on the 10-day injured list. Left quad strain. |
| 06/18/19 | Toronto Blue Jays recalled Justin Shafer from Buffalo Bisons. |
| 06/18/19 | Toronto Blue Jays signed SS Glenn Santiago. |
| 06/17/19 | Toronto Blue Jays activated RHP David Phelps from the 60-day injured list. |
| 06/17/19 | Toronto Blue Jays optioned RHP Justin Shafer to Buffalo Bisons. |
| 06/17/19 | Toronto Blue Jays transferred RHP Elvis Luciano from the 10-day injured list to the 60-day injured list. Right elbow sprain. |
| 06/16/19 | Toronto Blue Jays sent RHP Jacob Waguespack on a rehab assignment to Buffalo Bisons. |
| 06/16/19 | Toronto Blue Jays signed RHP Gabriel Ponce. |
| 06/16/19 | Toronto Blue Jays signed RHP Nick Fraze. |
| 06/16/19 | Toronto Blue Jays signed RHP Jared DiCesare. |
| 06/16/19 | Toronto Blue Jays signed C Scotty Bradley. |
| 06/16/19 | Toronto Blue Jays signed OF Eric Rivera. |
| 06/16/19 | Toronto Blue Jays signed free agent LHP Kyle Huckaby to a minor league contract. |
| 06/16/19 | Toronto Blue Jays signed RHP Luis Quinones. |
| 06/16/19 | Toronto Blue Jays signed RHP Sam Ryan. |
| 06/16/19 | Toronto Blue Jays signed C Ryan Sloniger. |
| 06/16/19 | Toronto Blue Jays signed 3B Angel Camacho. |
| 06/16/19 | Toronto Blue Jays signed 1B Spencer Horwitz. |
| 06/15/19 | Toronto Blue Jays activated RHP Nick Kingham. |
| 06/15/19 | Toronto Blue Jays signed free agent SS Marcos De La Rosa to a minor league contract. |
| 06/15/19 | Toronto Blue Jays optioned LHP Thomas Pannone to Buffalo Bisons. |
| 06/14/19 | Toronto Blue Jays signed free agent RHP Alex Nolan to a minor league contract. |
| 06/14/19 | Toronto Blue Jays signed 2B L.J. Talley. |
| 06/13/19 | Toronto Blue Jays transferred RHP Ryan Tepera from the 10-day injured list to the 60-day injured list. Right elbow impingement |
| 06/13/19 | Toronto Blue Jays placed RHP Elvis Luciano on the 10-day injured list. Right elbow sprain. |
| 06/13/19 | Toronto Blue Jays signed RHP Alek Manoah. |
| 06/13/19 | Toronto Blue Jays recalled Justin Shafer from Buffalo Bisons. |
| 06/13/19 | Pittsburgh Pirates traded RHP Nick Kingham to Toronto Blue Jays for cash. |
| 06/12/19 | Toronto Blue Jays selected the contract of Jordan Romano from Buffalo Bisons. |
| 06/12/19 | Toronto Blue Jays placed RHP Ken Giles on the 10-day injured list. Right elbow inflammation. |
| 06/12/19 | Toronto Blue Jays signed free agent RHP Tony Rosario to a minor league contract. |
| 06/12/19 | Toronto Blue Jays transferred RHP Clay Buchholz from the 10-day injured list to the 60-day injured list. Shoulder inflammation. |
| 06/11/19 | Toronto Blue Jays signed free agent RHP Yosver Zulueta to a minor league contract. |
| 06/11/19 | Toronto Blue Jays signed SS Trevor Schwecke. |
| 06/11/19 | Toronto Blue Jays signed RF Will Robertson. |
| 06/11/19 | Toronto Blue Jays signed SS Tanner Morris. |
| 06/11/19 | Toronto Blue Jays signed SS Cameron Eden. |
| 06/09/19 | Toronto Blue Jays signed RHP Andrew McInvale. |
| 06/09/19 | Toronto Blue Jays signed RHP Michael Dominguez. |
| 06/09/19 | Toronto Blue Jays signed RHP Anders Tolhurst. |
| 06/05/19 | Toronto Blue Jays optioned CF Jonathan Davis to Buffalo Bisons. |
| 06/05/19 | Toronto Blue Jays sent RHP David Phelps on a rehab assignment to Dunedin Blue Jays. |
| 06/05/19 | Toronto Blue Jays recalled LF Teoscar Hernandez from Buffalo Bisons. |
| 06/04/19 | Toronto Blue Jays activated LHP Tim Mayza. |
| 06/03/19 | Toronto Blue Jays optioned RHP Justin Shafer to Buffalo Bisons. |
| 06/01/19 | Toronto Blue Jays signed free agent RHP Josh Almonte to a minor league contract. |
| 06/01/19 | Toronto Blue Jays sent LHP Zac Rosscup outright to Buffalo Bisons. |