Kansas City Royals right-hander Brad Keller struggled in a 9-3 loss to the Cardinals on Monday. He allowed five runs in four innings while striking out four and walking three.
Keller has been solid this season, with that going down as his worst start in four outings. Overall, Keller has a 3-1 record, 2.08 ERA, 1.15 WHIP, and 19 strikeouts in 21 2/3 innings of work. He will face the White Sox in his next start.