Darren O'Day (hamstring) is scheduled to throw from a half-mound on Thursday.
Darren O'Day (hamstring) simulated his delivery on flat ground Sunday.
Darren O'Day said his recovery from a hamstring strain has gone slower than expected.
Orioles placed RHP Darren O'Day on the 15-day disabled list, retroactive to June 2, with a right hamstring strain.
Darren O'Day picked up a save Tuesday in the Orioles' win over the Yankees.
Orioles manager Buck Showalter said Sunday that he's not naming a closer while Zach Britton (ankle) is sidelined.
Darren O'Day struck out the side Thursday to earn the save against the Twins.
Orioles re-signed RHP Darren O'Day to a four-year, $31 million contract.
Dan Connolly of the Baltimore Sun reports that the Orioles and Darren O'Day have officially agreed to the terms of a four-year, $31 million contract.
MASN Sports' Roch Kubatko reports that the Orioles hope to finalize their four-year, $31 million contract with Darren O'Day in the next few days.
Darren O'Day tweeted Sunday that reports of him reaching an agreement with the Orioles are "premature."
CBS Sports' Jon Heyman reports that Darren O'Day is likely to re-sign with the Orioles.
Bill Ladson of MLB.com reports that Darren O'Day has narrowed his choices down to two teams, the Nationals and Orioles.
Dan Connolly of The Baltimore Sun reports that the Nationals are the clear frontrunner to sign Darren O'Day.