Royals ace Cole Ragans will undergo testing on his left groin after the All-Star left-hander was forced to leave Thursday's start against the Colorado Rockies after just three innings and 62 pitches.

Kansas City Royals ace Cole Ragans exited early during Game 1 of Thursday’s doubleheader against the Colorado Rockies. Ragans, who drew the matinee start, pitched three innings at Kauffman Stadium. He allowed four runs, including two homers, on 62 pitches. Additionally, Ragans walked two batters. He registered four strikeouts before departing.

Kansas City Royals ace left-hander Cole Ragans will undergo testing on his left groin after sustaining the injury and leaving Thursday's start against the Colorado Rockies after three innings. Ragans had trouble getting loose in the bullpen prior to the game and the soreness continued through his 62-pitch outing.