The Orioles activated closer Ryan Helsley from the 15-day injured list ahead of Tuesday night’s game in Seattle.

Right-hander Anthony Nunez was optioned to Triple-A Norfolk.

Helsley, who last pitched on April 28th, was on the IL with right elbow inflammation. He’s  0-2 with a 2.53 ERA and seven saves in 12 games.

Nunez is 2-2 with a 4.98 ERA and three saves in 32 games.