Adleman signed a minor-league contract with the Reds on Friday.
Adleman will be a part of the Tigers' 60-man player pool this season.
Adleman signed a minor-league contract with the Tigers on Thursday.
The Reds are expected to activate Scott Feldman (knee) from the 10-day disabled list and have him start Saturday's game against the Brewers, meaning that Adleman will likely head back to the bullpen in the coming days, Mark Sheldon of MLB.com reports.
Adleman allowed two runs on six hits and two walks across 4.2 innings in a no-decision Monday against the Padres. He struck out four.
Adleman will start Monday's game against the Padres.
Adleman will not make his next scheduled start against the Cardinals, Zach Buchanan of the Cincinnati Enquirer reports.
Adleman (5-9) allowed six runs on six hits and four walks while striking out two batters through just 4.1 innings during Saturday's loss to Miami.
Adleman (5-8) allowed five runs on six hits and three walks while striking out four batters over six innings during Monday's loss to Cleveland.
Adleman gave up three runs on seven hits over six innings while striking out seven but didn't factor into the decision in Wednesday's extra-inning win over the Diamondbacks.