The Blue Jays placed left-hander Jaime Garcia on the 10-day disabled list with left shoulder inflammation, retroactive to May 16, and recalled right-hander Deck McGuire from Triple-A Buffalo.
Garcia, 31, has posted a 2-3 record this season with a 6.28 ERA in eight games. Hehas a career record of 193-182.
McGuire, 28, has appeared in one game this season with an 8.10 ERA.
With the news that Mariners second baseman Robinson Cano will serve an 80-game suspension and become ineligible for the postseason after violating Major League Baseball's Joint Drug Prevention and Treatment Program, the club must decide where to go from here.