Guardians prospect Parker Messick shined in his MLB debut on the mound, but the Cleveland bullpen let him down in an extra-inning loss.

Parker Messick can finally say that he’s a big-league pitcher! The 24-year-old made his Cleveland Guardians and MLB debut on Wednesday afternoon against the Arizona Diamondbacks.

Lourdes Gurriel Jr. led off the ninth inning with a tying homer, Adrian Del Castillo had a broken-bat RBI single in the 10th and the Arizona Diamondbacks beat the Cleveland Guardians 3-2 on Wednesday.