The Detroit Tigers claimed relief pitcher Sean Guenther off waivers from the Miami Marlins on Wednesday, according to a tweet from the team's public relations Twitter account. The left-hander, who had Tommy John surgery in April, appeared in 14 games for the Marlins in 2021, logging a 9.30 ERA and a 4.10 FIP in 20.1 innings to go along with 15 strikeouts and 10 walks. He turned in a 4.76 ERA, a 2.83 FIP, 28 strikeouts, and four walks in 22.2 innings with Miami's Triple-A affiliate during the same season. Per the tweet from the team's public relations Twitter account announcing the move, Guenther "remains on the 60-day injured list."