 He became the second Blue Jays pitcher in franchise history to pitch an immaculate inning on July 30, 2013.In a game against the Oakland Athletics, he struck out Adam Rosales, Coco Crisp, and Chris Young on 9 pitches to become the 48th pitcher to accomplish the feat.Delabar also became only the fourth pitcher in major league history to strike out 4 batters in one inning and throw an immaculate inning, joining Bob Gibson, A. J. Burnett, and Félix Hernández.