Trey Yesavage placed on 15-day IL with left knee inflammation after MRI

Toronto has placed pitcher Trey Yesavage on the 15-day injured list with left knee inflammation, a move announced after he stopped participating in Tuesday night’s game against the Houston Astros. According to MLB’s transaction notice, Yesavage left the contest during warmups for the third inning, and subsequent imaging guided the decision.

The timing of the setback is notable, because Yesavage was already in his routine before the start of the third. The team’s release describes that he was throwing his usual warmup pitches when the issue became significant enough that he could not continue.

The injured list designation is tied specifically to the left knee inflammation, which the announcement links to MRI imaging. Under MLB’s IL rules, the 15-day placement sets the minimum window for how long he will be unavailable while the knee recovers.

For the Blue Jays, the immediate challenge is managing bullpen usage during the period without Yesavage. Even when a pitcher is not a daily starter, a mid-game IL placement can force changes to the late-inning and leverage bullpen mix, especially if the team has used multiple arms in recent games.

Yesavage’s absence also shifts the internal depth chart during a stretch when teams typically tighten rotations and bullpen planning. Toronto will need to find outs in the same innings and match up against hitters with the roster spots opened by his IL move.

The Blue Jays have not altered their broader season goals with this announcement, but losing a reliever for at least 15 days can have ripple effects, particularly if the knee inflammation lingers beyond the minimum timetable. The next checkpoint will be how his knee responds during the IL window and whether further medical updates change the recovery estimate.

As of the IL placement, the focus remains on treatment and re-evaluation of the inflammation. For fans, the most relevant follow-up is when Toronto provides an update on a return timeline and which pitchers step into the roles Yesavage previously covered in high-leverage situations.