Tyler Glasnow took the loss in his Major League Debut Thursday afternoon, a Pirates (44-42) 5-1 loss to the Cardinals (44-41).

Glasnow went 5 1/3 innings, allowing 4 earned runs, 2 walks and struck out 5.

Glasnow’s outing was going smooth until the sixth inning when he allowed a double, sacrifice bunt and his second walk of the day that saw him get lifted. Arquimedes Caminero then came in and allowed a 3-run homer.

Glasnow threw 87 pitches, 55 for strikes. Glasnow’s averaged velocity on his fastball was 94.7 with his max velocity coming in at nearly 98 mph.