Blue Jays Roster & Staff
Transactions
| Date | Transaction |
| 05/30/18 | Toronto Blue Jays sent RF Randal Grichuk on a rehab assignment to Buffalo Bisons. |
| 05/29/18 | Toronto Blue Jays sent SS Aledmys Diaz on a rehab assignment to New Hampshire Fisher Cats. |
| 05/27/18 | Toronto Blue Jays sent RF Randal Grichuk on a rehab assignment to New Hampshire Fisher Cats. |
| 05/26/18 | Toronto Blue Jays activated LHP Jaime Garcia. |
| 05/26/18 | Toronto Blue Jays optioned LF Dalton Pompey to Buffalo Bisons. |
| 05/25/18 | Toronto Blue Jays recalled Dalton Pompey from Buffalo Bisons. |
| 05/24/18 | Toronto Blue Jays optioned RHP Deck McGuire to Buffalo Bisons. |
| 05/22/18 | Toronto Blue Jays recalled 2B Devon Travis from Buffalo Bisons. |
| 05/21/18 | Toronto Blue Jays sent RF Randal Grichuk on a rehab assignment to Dunedin Blue Jays. |
| 05/21/18 | Toronto Blue Jays optioned SS Richard Urena to Buffalo Bisons. |
| 05/20/18 | Oakland Athletics claimed RHP Carlos Ramirez off waivers from Toronto Blue Jays. |
| 05/18/18 | Toronto Blue Jays recalled Deck McGuire from Buffalo Bisons. |
| 05/18/18 | Toronto Blue Jays placed LHP Jaime Garcia on the 10-day disabled list retroactive to May 16, 2018. Left shoulder inflammation. |
| 05/16/18 | Toronto Blue Jays recalled RHP Danny Barnes from Buffalo Bisons. |
| 05/16/18 | Toronto Blue Jays optioned RHP Deck McGuire to Buffalo Bisons. |
| 05/15/18 | Toronto Blue Jays recalled Dwight Smith Jr. from Buffalo Bisons. |
| 05/14/18 | Toronto Blue Jays optioned CF Anthony Alford to Buffalo Bisons. |
| 05/13/18 | Toronto Blue Jays designated RHP Carlos Ramirez for assignment. |
| 05/13/18 | Toronto Blue Jays optioned 2B Lourdes Gurriel Jr. to Buffalo Bisons. |
| 05/13/18 | Toronto Blue Jays selected the contract of Deck McGuire from Buffalo Bisons. |
| 05/12/18 | Toronto Blue Jays optioned LF Dalton Pompey to Buffalo Bisons. |
| 05/12/18 | Toronto Blue Jays activated 3B Gio Urshela. |
| 05/11/18 | Toronto Blue Jays recalled RHP Sam Gaviglio from Buffalo Bisons. |
| 05/11/18 | Toronto Blue Jays optioned LHP Tim Mayza to Buffalo Bisons. |
| 05/11/18 | Toronto Blue Jays placed RHP Marcus Stroman on the 10-day disabled list retroactive to May 9, 2018. Right shoulder fatigue. |
| 05/11/18 | Toronto Blue Jays recalled RHP Joe Biagini from Buffalo Bisons. |
| 05/09/18 | Cleveland Indians traded 3B Gio Urshela to Toronto Blue Jays for Player To Be Named Later. |
| 05/08/18 | Toronto Blue Jays recalled Jake Petricka from Buffalo Bisons. |
| 05/08/18 | Toronto Blue Jays recalled Richard Urena from Buffalo Bisons. |
| 05/08/18 | Toronto Blue Jays placed RHP Roberto Osuna on the restricted list. |
| 05/08/18 | Toronto Blue Jays placed SS Aledmys Diaz on the 10-day disabled list. Left ankle sprain |
| 05/07/18 | Toronto Blue Jays sent 3B Gift Ngoepe outright to Buffalo Bisons. |
| 05/06/18 | Toronto Blue Jays optioned SS Richard Urena to Buffalo Bisons. |
| 05/06/18 | Toronto Blue Jays activated 1B Justin Smoak. |
| 05/06/18 | Toronto Blue Jays sent RHP Luis Santos outright to Buffalo Bisons. |
| 05/05/18 | Toronto Blue Jays recalled Anthony Alford from Buffalo Bisons. |
| 05/05/18 | Toronto Blue Jays optioned RHP Jake Petricka to Buffalo Bisons. |
| 05/04/18 | Toronto Blue Jays recalled Richard Urena from Buffalo Bisons. |
| 05/04/18 | Toronto Blue Jays optioned RHP Joe Biagini to Buffalo Bisons. |
| 05/04/18 | Toronto Blue Jays recalled Dalton Pompey from Buffalo Bisons. |
| 05/04/18 | Toronto Blue Jays optioned LF Dwight Smith Jr. to Buffalo Bisons. |
| 05/04/18 | Toronto Blue Jays selected the contract of Jake Petricka from Buffalo Bisons. |
| 05/04/18 | Toronto Blue Jays designated RHP Luis Santos for assignment. |
| 05/04/18 | Toronto Blue Jays optioned RHP Carlos Ramirez to Buffalo Bisons. |
| 05/03/18 | Toronto Blue Jays recalled Joe Biagini from Buffalo Bisons. |
| 05/03/18 | Toronto Blue Jays placed 1B Justin Smoak on the paternity list. |
| 05/03/18 | Toronto Blue Jays recalled Dwight Smith Jr. from Buffalo Bisons. |
| 05/03/18 | Toronto Blue Jays recalled Tim Mayza from Buffalo Bisons. |
| 05/03/18 | Toronto Blue Jays optioned RHP Danny Barnes to Buffalo Bisons. |
| 05/03/18 | Toronto Blue Jays placed LF Steve Pearce on the 10-day disabled list. Oblique strain. |
| 05/03/18 | Toronto Blue Jays designated SS Gift Ngoepe for assignment. |
| 05/03/18 | Toronto Blue Jays recalled RHP Luis Santos from Buffalo Bisons. |
| 05/03/18 | Toronto Blue Jays activated 3B Josh Donaldson from the 10-day disabled list. |
| 05/03/18 | Toronto Blue Jays optioned SS Gift Ngoepe to Buffalo Bisons. |