Sean Guenther
RP - Detroit Tigers - MiLB
2026 Outlook
Roster %
Eligibility
Availability
The Tigers have re-signed left-hander Sean Guenther to a minor-league deal.
Fantasy Impact
Guenther was non-tendered by the Tigers in November after a hip injury limited him to just nine appearances with the team in 2025. The southpaw was effective for the club in 2024, however, posting a stout 0.86 ERA in 17 appearances.
Detroit Tigers general manager Jeff Greenberg confirmed that Sean Guenther will miss the rest of the year as he continues his rehab process following hip surgery.
Fantasy Impact
After undergoing hip surgery earlier in the year, Guenther's second season with the Detroit Tigers is officially over. He posted a 5.23 ERA and a 1.45 WHIP in 10.1 innings pitched this year.
The Tigers recalled LHP Sean Guenther from Triple-A Toledo and placed him on the 60-day injured list.
Fantasy Impact
The move opens up a roster spot for Detroit. Guenther underwent season-ending hip surgery.
The Tigers optioned LHP Sean Guenther to Triple-A Toledo.
Fantasy Impact
Guenther gets sent down with Matt Vierling activated from the injured list. He struggled in his limited appearances for the Tigers this season.
Sean Guenther will serve as the Detroit Tigers' opening pitcher for Monday's game against the St. Louis Cardinals.
Fantasy Impact
Guenther hasn’t thrown more than two innings in any outing, so he’s likely to cover one or two frames Monday, with Keider Montero expected to handle bulk relief behind him. Guenther has been excellent this season, posting a 2.25 ERA and 1.00 WHIP over eight innings.