Delabar was named a Final Vote candidate for the 2013 Major League Baseball All-Star Game. He posted a 5–1 record with a 1.58 ERA and an American League reliever-leading 57 strikeouts in 40 innings over 35 games played prior to the All-Star Game roster announcement. Delabar earned his first career save on July 10, 2013, in a game against the Cleveland Indians. On July 11, it was announced that he had been elected to the All-Star game in the Final Vote contest, receiving 9.6 million votes. Delabar pitched of an inning and struck out Buster Posey on five pitches in the 2013 MLB All-Star Game.