The Tigers activated Montero (personal) from the paternity list Monday.
Montero was briefly away from the team for the birth of his daughter, but he's back with the Tigers and is tentatively lined up to face the Blue Jays on Wednesday, per Evan Woodbery of MLive.com. Montero has a 4-3 record across his 10 starts since the All-Star break with a 3.99 ERA and 1.07 WHIP over 49.2 innings.