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.
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.