The former American League MVP and Cy Young winner is trying to work his way back into the Tigers' rotation from a right triceps injury he sustained in spring training.
The Tigers have not announced whether Verlander will continue his rehab or now join the major league team.
Verlander gave up six hits, walked two and struck out three for the Mud Hens against Indianapolis, Pittsburgh's top minor league club.
Verlander was on a restricted pitch count of 80-85 pitches by the Tigers' staff in this International League start. He threw a total of 79, and reached 95 mph on two of his strikeouts.
Prior to Sunday's start, Verlander had thrown two simulated games and multiple bullpens since the regular season began.
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