Left-handed reliever Alex Claudio made the start, the first of his career.
Hamels was slated to make his fifth start. He is 2-0 with a 3.03 ERA.
Claudio is 1-0 in nine appearances (10 innings) with a 2.51 ERA. The longest he’s pitched this season 3 2/3 innings out of the pen on April 7 against the A’s. He pitched a career-high 4 1/3 innings of relief on May 10, 2016. Claudio has started 13 games in the minors, including his last start for Triple A Round Rock on Aug. 8, 2014.
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Hamels felt tightness while warming up in the bullpen before Tuesday’s game. He’ll return to Arlington Wednesday and and be examined by Dr. Keith Meister.