Pirates Pitcher Mitch Keller Sidelined for Season Due to Teres Major Muscle Injury

Pittsburgh Pirates right-handed pitcher Mitch Keller has been placed on the 60-day injured list with a teres major muscle injury in his throwing arm, ending his 2026 season. Keller reported discomfort after a Sunday outing, with an MRI confirming the injury on Monday. This significant injury removes a key pitcher from the Pirates' rotation for the remainder of the season, impacting the team's performance.