Karns was released by the Orioles on Wednesday, Roch Kubatko of MASN Sports reports.

Karns (forearm) was reinstated from the 60-day injured list and then designated for assignment Friday by the Orioles.

Karns (forearm) tossed a 20-pitch simulated game Saturday, Joe Trezza of MLB.com reports.

Karns' (forearm) rehab has moved to Double-A Bowie, Rich Dubroff of BaltimoreBaseball.com reports.

Karns (forearm) will make a rehab appearance for High-A Frederick on Friday, Rich Dubroff of BaltimoreBaseball.com reports.

Karns (forearm) began a minor-league rehab assignment last week with the Orioles' rookie-level Gulf Coast League affiliate, appearing in three games and giving up one run on one hit and three walks over 2.1 innings.

Karns (forearm) was transferred to the 60-day injured list Monday.

Karns received a second opinion on his strained forearm from Dr. James Andrews on Monday which confirmed that he won't need surgery, Roch Kubatko of MASN Sports reports.

Karns will receive a second opinion on his strained forearm Monday, Roch Kubatko of MASN Sports reports.

Karns (forearm) will resume a throwing program Wednesday, Roch Kubatko of MASN Sports reports.