Montero will start Wednesday in Game 3 of the ALDS versus the Guardians.
Montero is part of the Tigers' roster for the American League Division Series versus Cleveland.
Montero is not on the Tigers' roster for the American League Wild Card Series against the Astros, Evan Woodbery of MLive.com reports.
Montero allowed five runs on seven hits and a walk across 4.2 innings of work in Friday's 7-1 loss to the Orioles. He struck out seven.
Montero allowed five runs on seven hits and a walk over 4.2 innings during a no-decision Friday. He struck out seven during the loss to Baltimore.
Montero (6-6) earned the win Sunday, allowing five hits and one walk over five scoreless innings against the Orioles. He struck out one.
Montero did not factor into the decision in an extra-inning loss to the Padres on Wednesday, allowing five runs on seven hits and two walks over 4.1 innings. He struck out two.
Montero (4-6) took the loss Thursday against the Angels, giving up three runs on five hits and three walks over five innings. He struck out five.
Montero (2-5) got the win over the Mariners on Tuesday, allowing one run on four hits and a walk while striking out eight over six innings.
Montero (1-3) allowed five runs on eight hits across 5.1 innings to take the loss Sunday against the Blue Jays. He didn't walk anyone and struck out three.