Holton allowed two hits while striking out two over two scoreless innings in Tuesday's 1-0 loss to the Phillies.
Horton has been solid of late for the Tigers, pitching to a 1.76 ERA over his last eight appearances (15.1 innings). The rookie left-hander lowered his ERA to 2.32 with a 0.94 WHIP and 23:8 K:BB through 31 innings this season while earning more high-leverage work in Detroit.