Glasnow was optioned to Triple-A Indianapolis on Friday, Stephen J. Nesbitt of the Pittsburgh Post-Gazette reports. Josh Bell was recalled in a corresponding move.
The stat line from the 22-year-old's major league debut Thursday doesn't look great, but he was sharp with his control through most of the game and two of the four runs against Glasnow scored after he exited the game. He will head back to Triple-A for now, presumably to stay on schedule through the All-Star break, but Glasnow figures to get another opportunity relatively early on in the second half barring any blowups with Indy.