The Minnesota Twins placed outfielder Matt Wallner on the 10-day injured list with a left oblique strain Wednesday, ending his regular season.
Wallner, 26, exited Minnesota's 4-1 loss to the Miami Marlins on Tuesday after experiencing left oblique tightness during a strikeout as a pinch hitter in the sixth inning.
He hit .259 with 13 home runs and 37 RBIs in 75 games this season.
The Twins also activated right-hander Justin Topa, who hasn't pitched all season because of left patellar tendinitis, from the 60-day IL.
Minnesota had acquired Topa, 33, and three other players from the Seattle Mariners in exchange for infielder Jorge Polanco in January. The reliever was 5-4 with a 2.61 ERA and three saves in his lone season with Seattle in 2023.
In other moves, the Twins recalled right-hander Jorge Alcala and rookie utility player Austin Martin from Triple-A St. Paul, optioned left-hander Brent Headrick to St. Paul and designated lefty Cole Irvin for assignment.
Martin, 25, is batting .252 with one homer and 16 RBIs in 89 games for the Twins since making his major league debut in March.
Alcala, 29, is 4-3 with a 3.46 ERA, 19 walks and 52 strikeouts in 54 2/3 innings over 51 relief appearances for the Twins. In five seasons with Minnesota, he is a career 9-11 with one save, a 3.72 ERA, 53 walks and 159 strikeouts in 159 2/3 innings over 141 relief appearances.