Keller (6-7) took the loss Thursday against Atlanta, allowing three runs on four hits and two walks over three innings. He struck out three.
Keller has been struggling mightily of late, posting a 7.62 ERA in his last eight starts (39 innings). The home-run ball in particular has been a problem for Keller -- he's now given up six long balls in his last four outings. The right-hander will head into the All-Star break with a 5.14 ERA, 1.33 WHIP and 77:35 K:BB across 19 starts (103.1 innings).