Orioles general manager Mike Elias said Thursday that Mateo (elbow) is unlikely to be ready for Opening Day, Jake Rill of MLB.com reports.

The Orioles agreed to terms with Mateo on a one-year contract Tuesday with a club option for 2026 to avoid arbitration.

Orioles general manager Mike Elias said Friday that Mateo (elbow) might not be fully recovered for the start of spring training, Andy Kostka of TheBaltimoreBanner.com reports.

Orioles general manager Mike Elias said Thursday that he expects Mateo (elbow) to more or less be full-go for the start of spring training, Roch Kubatko of MASNSports.com reports.

Mateo underwent UCL reconstruction surgery on his left elbow Wednesday, Roch Kubatko of MASNSports.com reports.

Mateo was transferred to the 60-day injured list Tuesday, Rich Dubroff of BaltimoreBaseball.com reports.

Orioles manager Brandon Hyde said Thursday that Mateo (elbow) will miss "a significant amount of time," Paige Leckie of MLB.com reports.

The Orioles placed Mateo on the 10-day injured list Thursday with a left elbow subluxation.

Mateo (elbow) is out of the lineup for Wednesday's game against the Marlins.

Mateo was removed from Tuesday's game against the Marlins due to a left arm injury, Andy Kostka of TheBaltimoreBanner.com reports.