Diaz signed with the Samsung Lions of the KBO on Thursday, Dan Kurtz of MyKBO.net reports.
The Nationals released Diaz on Tuesday.
The Nationals reassigned Diaz to minor-league camp Sunday, Andrew Golden of The Washington Post reports.
Diaz signed a minor-league contract with the Nationals on Friday that includes an invitation to spring training, Kiley McDaniel of ESPN.com reports.
Diaz elected to become a free agent Tuesday, Rich Dubroff of BaltimoreBaseball.com reports.
Diaz (shoulder) is playing in Florida and will link up with Triple-A Norfolk for their home opener Tuesday, Steve Melewski of MASNSports.com reports.
Diaz was reassigned to minor-league camp by the Orioles on Monday, Dan Connolly of The Athletic reports.
Orioles manager Brandon Hyde said Sunday that Diaz (shoulder) is still a few days away from a return, Roch Kubatko of MASNSports.com reports.
Diaz (shoulder) plans to take batting practice Friday and return to game action in a few days, Rich Dubroff of BaltimoreBaseball.com reports.
Diaz was scratched from Baltimore's lineup Tuesday due to left shoulder soreness, Nathan Ruiz of The Baltimore Sun reports.