Toronto Blue Jays right-hander Shane Bieber was placed on the 15-day injured list with right teres major inflammation Tuesday, the team announced.
The move is retroactive to Aug. 21.
Bieber owns a 4.53 ERA in 11 starts this season, but he's allowed just two earned runs over his last two outings to go along with 12 strikeouts.
The 31-year-old joins six other starters on the IL for the Blue Jays, who have Dylan Cease, José Soriano, Max Scherzer, and Spencer Arrighetti healthy in their rotation.
Toronto recalled right-hander Chad Dallas from Triple-A to take Bieber's spot on the active roster.
The Blue Jays, who begin a three-game series against the Kansas City Royals on Tuesday, are trailing the Cleveland Guardians by two games for the last wild-card spot in the American League.
