Keller limited the Rays to one run on three hits and a walk in three-plus innings Sunday. He struck out five batters, DK Pittsburgh Sports reports.
Keller gave up three runs on three hits and one walk in 2.1 innings against Toronto on Monday. He struck a pair of batters.
Keller allowed two runs on three hits and a walk in 1.2 innings against Boston on Wednesday. He struck out three batters.
Keller hurled two scoreless innings in Pittsburgh's Grapefruit League opener Saturday. He allowed two hits with no walks or strikeouts.
Keller will start Pittsburgh's Grapefruit League opener against the Twins on Saturday, Adam Berry of MLB.com reports.
Keller allowed one run on seven hits with two walks and seven strikeouts across five innings during a no-decision against the Cubs on Tuesday.
Keller (wrist) will start Tuesday against the Giants, Jason Mackey of the Pittsburgh Post-Gazette reports.
Keller (wrist) will try to throw a bullpen session Thursday, Rob Biertempfel of The Athletic reports.
The swelling in Keller's wrist subsided Wednesday, Rob Biertempfel of The Athletic reports, but the Pirates are still uncertain if he will make his next scheduled start.
Keller was diagnosed with a right wrist bruise after being struck by a line drive Tuesday against the Marlins.