Trainers immediately tended to Hamels, who left the game with what the team called a left shoulder contusion. He was replaced by J.A. Happ.
Hamels was the MVP of the 2008 NL Championship Series and World Series, but is off to a rough start this season. He had an 11.17 ERA through his first two starts.
He had cruised through the first three innings Thursday, striking out six of the nine batters he faced.
Phillies pinch-hitter Matt Stairs hit a solo home run in the 8th inning to end the Milwaukee Brewers' no-hit bid.
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