The Orioles activated Perez (oblique) from the 15-day injured list Monday, Rich Dubroff of BaltimoreBaseball.com reports.

Perez (oblique) will begin a rehab assignment with Triple-A Norfolk on Wednesday, Brent Maguire of MLB.com reports.

Perez (oblique) has been throwing bullpen sessions and will be ready for a live batting practice session soon, Rich Dubroff of BaltimoreBaseball.com reports.

Perez (oblique) is feeling much better and is optimistic he can begin throwing soon, Jake Rill of MLB.com reports.

Perez landed on the 15-day IL on Sunday with a right oblique strain, Steve Melewski of MASNSports.com reports.

Perez's removal from Saturday's appearance against the Angels was due to lower-back discomfort, Andy Kostka of TheBaltimoreBanner.com reports.

Perez was removed from Saturday's game against the Angels due to an apparent injury, Andy Kostka of TheBaltimoreBanner.com reports.

Perez has allowed five runs over three innings across his first three Grapefruit League appearances.

Perez signed a one-year contract contract with the Orioles on Monday to avoid arbitration.

Perez (4-2) allowed three runs on a hit, a walk and a hit batsman while failing to record an out, taking the loss Thursday versus the Guardians.