The Orioles transferred Means (elbow) to the 60-day injured list Thursday, Rich Dubroff of BaltimoreBaseball.com reports.
Means underwent successful Tommy John surgery Monday in Texas to repair a torn UCL in his left elbow, Jake Rill of MLB.com reports.
Orioles GM Mike Elias announced Friday that Means will undergo surgery to repair the UCL in his left elbow and will miss the rest of the season, Jake Rill of MLB.com reports.
Orioles manager Brandon Hyde said Friday that Means will get a second opinion on his throwing elbow, Andy Kostka of TheBaltimoreBanner.com reports.
The Orioles placed Means on the 15-day injured list Thursday with a left forearm strain, Dan Connolly of The Athletic reports.
Means was removed from Wednesday's start against the Cardinals due to left elbow discomfort and will undergo medical testing, Jake Rill of MLB.com reports.
Means will start Saturday in Cincinnati, Roch Kubatko of MASNSports.com reports.
The Orioles reinstated Means (forearm) from the 15-day injured list Wednesday, Jake Rill of MLB.com reports.
Orioles manager Brandon Hyde confirmed Monday that Means (forearm) would rejoin the rotation this week for his season debut, Matt Weyrich of The Baltimore Sun reports.
Means (forearm) will make another rehab start with Triple-A Norfolk on Sunday, Roch Kubatko of MASNSports.com reports.