The Red Sox have added some reliever depth.

They signed right-handed reliever Josh Smith to a minor league deal, reports MassLive.com Red Sox beat reporter Chris Cotillo.

Cotillo, who officially begins at MassLive.com on May 29, reported the news via Twitter:

Source confirms: Red Sox have a minor-league deal with righty Josh Smith, who has major-league experience with Cincinnati and Oakland. Recently released by SEA. — Chris Cotillo (@ChrisCotillo) May 17, 2018

The 30-year-old has appeared in 67 major league games, including making nine starts. He went 2-1 with a 4.89 ERA and 1.43 WHIP in 26 outings (35 innings) for the Athletics last year.

He pitched for the Reds in 2015 and '16.

The Mariners released him April 24 after he posted a 6.10 ERA in four outings (one start) for Triple-A Tacoma.