The Pirates activated Wentz on Thursday after he was claimed off waivers Tuesday from the Tigers.
The Pirates claimed Wentz off waivers from the Tigers on Tuesday.
The Tigers designated Wentz for assignment Friday, Evan Petzold of the Detroit Free Press reports.
Wentz allowed two runs on four hits across 2.1 innings of relief in Friday's 9-3 loss to the Twins. He walked one and struck out three.
Wentz tossed a scoreless inning of relief with two strikeouts in Wednesday's loss to Atlanta, extending his streak of scoreless outings to four.
Wentz logged 2.1 scoreless innings of relief in the second game of Saturday's doubleheader against the Twins. He allowed two hits and a walk, while striking out four.
After logging two scoreless innings with a strikeout in Saturday's Grapefruit League game against the Pirates, Wentz now has a 1.29 ERA across four spring appearances.
Wentz will focus on competing for a bullpen job with the Tigers this spring, Evan Woodbery of MLive.com reports.
Wentz was optioned off the active roster Saturday, Chris McCosky of The Detroit News reports.
Wentz is slated to start Friday's game against the Guardians at Comerica Park.