Suk-Min Yoon (shoulder) threw a successful simulated game on Sunday and is close to rejoining Triple-A Norfolk.
Suk-min Yoon (shoulder) is scheduled to return on July 19.
Suk-min Yoon (shoulder) had a cortisone injection Wednesday.
Orioles executive vice president Dan Duquette said Monday that Suk-min Yoon is dealing with a right shoulder impingement.
Suk-min Yoon has been placed on the disabled list at Triple-A Norfolk with a right shoulder strain.
Orioles right-handed pitcher Suk-min Yoon went 5 2/3 innings on Friday, allowing eight hits and two runs (1 earned) for Triple-A Norfolk.
Suk-Min Yoon will make his first start with Triple-A Norfolk on Tuesday.
Orioles optioned RHP Suk-Min Yoon to Triple-A Norfolk.
Suk-Min Yoon made his spring debut Saturday with a scoreless inning of relief against the Yankees.
Suk-min Yoon is scheduled to make his Orioles' debut on Saturday.
Suk-Min Yoon is hoping to report to Orioles' camp on Thursday after getting his work visa.
Suk-Min Yoon is scheduled to fly to Canada on March 10 in order to obtain his work visa.
Orioles manager Buck Showalter said Saturday that Suk-Min Yoon's spring debut has been delayed while the right-hander is still working on obtaining his work visa.
Suk-Min Yoon will appear in his first game with the Orioles on March 6 or 7.