Blue Jays Roster & Staff
Transactions
| Date | Transaction |
| 08/31/18 | Toronto Blue Jays sent RHP Luis Santos outright to Buffalo Bisons. |
| 08/31/18 | Toronto Blue Jays traded 3B Josh Donaldson to Cleveland Indians for Player To Be Named Later. |
| 08/31/18 | Toronto Blue Jays traded LF Curtis Granderson to Milwaukee Brewers for CF Demi Orimoloye. |
| 08/31/18 | Toronto Blue Jays traded LF Curtis Granderson to Milwaukee Brewers for CF Demi Orimoloye. |
| 08/29/18 | Toronto Blue Jays released LHP Jaime Garcia. |
| 08/28/18 | Toronto Blue Jays sent 3B Josh Donaldson on a rehab assignment to Dunedin Blue Jays. |
| 08/27/18 | Toronto Blue Jays recalled RHP Danny Barnes from Buffalo Bisons. |
| 08/27/18 | Toronto Blue Jays selected the contract of RHP Murphy Smith from Buffalo Bisons. |
| 08/27/18 | Toronto Blue Jays designated RHP Luis Santos for assignment. |
| 08/27/18 | Toronto Blue Jays optioned RHP Justin Shafer to Buffalo Bisons. |
| 08/27/18 | Toronto Blue Jays optioned RHP Jake Petricka to Buffalo Bisons. |
| 08/25/18 | Toronto Blue Jays designated LHP Jaime Garcia for assignment. |
| 08/25/18 | Aaron Sanchez roster status changed by Toronto Blue Jays. |
| 08/24/18 | Lourdes Gurriel Jr. roster status changed by Toronto Blue Jays. |
| 08/24/18 | Toronto Blue Jays optioned SS Richard Urena to Buffalo Bisons. |
| 08/21/18 | Toronto Blue Jays sent 2B Lourdes Gurriel Jr. on a rehab assignment to Buffalo Bisons. |
| 08/20/18 | Toronto Blue Jays activated C Luke Maile. |
| 08/20/18 | Toronto Blue Jays sent RHP Aaron Sanchez on a rehab assignment to New Hampshire Fisher Cats. |
| 08/20/18 | Toronto Blue Jays optioned RHP Sean Reid-Foley to Buffalo Bisons. |
| 08/19/18 | Toronto Blue Jays selected the contract of Justin Shafer from Buffalo Bisons. |
| 08/19/18 | Toronto Blue Jays optioned RHP Luis Santos to Buffalo Bisons. |
| 08/19/18 | Toronto Blue Jays recalled Thomas Pannone from Buffalo Bisons. |
| 08/19/18 | Toronto Blue Jays transferred RHP Aaron Sanchez from the 10-day disabled list to the 60-day disabled list. Right index finger contustion. |
| 08/19/18 | Toronto Blue Jays placed RHP Marcus Stroman on the 10-day disabled list. Right middle finger blister. |
| 08/18/18 | Toronto Blue Jays sent 2B Lourdes Gurriel Jr. on a rehab assignment to New Hampshire Fisher Cats. |
| 08/17/18 | Toronto Blue Jays recalled Billy McKinney from Buffalo Bisons. |
| 08/17/18 | Toronto Blue Jays placed C Luke Maile on the paternity list. |
| 08/16/18 | Toronto Blue Jays sent RHP Brandon Cumpton outright to Buffalo Bisons. |
| 08/15/18 | Toronto Blue Jays signed free agent C Brayan Rodriguez to a minor league contract. |
| 08/15/18 | Toronto Blue Jays optioned LHP Thomas Pannone to Buffalo Bisons. |
| 08/15/18 | Toronto Blue Jays sent RHP Aaron Sanchez on a rehab assignment to Dunedin Blue Jays. |
| 08/15/18 | Toronto Blue Jays recalled LHP Tim Mayza from Buffalo Bisons. |
| 08/15/18 | Toronto Blue Jays signed SS Pedro Ventura. |
| 08/15/18 | Toronto Blue Jays signed 1B Anthony Rodriguez. |
| 08/14/18 | Colorado Rockies traded RHP Bryan Baker to Toronto Blue Jays. |
| 08/13/18 | Toronto Blue Jays selected the contract of Sean Reid-Foley from Buffalo Bisons. |
| 08/13/18 | Toronto Blue Jays optioned RHP Danny Barnes to Buffalo Bisons. |
| 08/13/18 | Toronto Blue Jays designated RHP Brandon Cumpton for assignment. |
| 08/12/18 | Toronto Blue Jays placed 3B Yangervis Solarte on the 10-day disabled list. Right oblique. |
| 08/12/18 | Toronto Blue Jays recalled C Danny Jansen from Buffalo Bisons. |
| 08/09/18 | Toronto Blue Jays recalled Thomas Pannone from Buffalo Bisons. |
| 08/09/18 | Toronto Blue Jays optioned RHP Mike Hauschild to Buffalo Bisons. |
| 08/09/18 | Toronto Blue Jays traded RHP Nick Tepesch to Detroit Tigers for cash. |
| 08/09/18 | Toronto Blue Jays sent RHP Aaron Sanchez on a rehab assignment to GCL Blue Jays. |
| 08/08/18 | Taylor Guerrieri changed number to . |
| 08/07/18 | Toronto Blue Jays recalled Richard Urena from Buffalo Bisons. |
| 08/07/18 | Toronto Blue Jays placed 3B Brandon Drury on the 10-day disabled list retroactive to August 5, 2018. Left hand fracture. |
| 08/05/18 | Toronto Blue Jays sent LF Darnell Sweeney outright to Buffalo Bisons. |
| 08/04/18 | Toronto Blue Jays traded 3B Gio Urshela to New York Yankees. |
| 08/03/18 | Minnesota Twins claimed RHP Oliver Drake off waivers from Toronto Blue Jays. |
| 08/03/18 | Toronto Blue Jays activated CF Kevin Pillar from the 10-day injured list. |
| 08/03/18 | Toronto Blue Jays optioned RHP Brandon Cumpton to Buffalo Bisons. |
| 08/02/18 | Toronto Blue Jays designated LF Darnell Sweeney for assignment. |
| 08/02/18 | Toronto Blue Jays signed free agent RHP Mike Hauschild. |
| 08/02/18 | Toronto Blue Jays optioned LF Dwight Smith Jr. to Buffalo Bisons. |
| 08/02/18 | Toronto Blue Jays activated RHP Ken Giles. |
| 08/01/18 | Danny Barnes roster status changed by Toronto Blue Jays. |
| 08/01/18 | Toronto Blue Jays placed 2B Lourdes Gurriel Jr. on the 10-day disabled list retroactive to July 31, 2018. Left ankle sprain. |
