Shaun Marcum has announced his retirement and joined the coaching staff at Northwestern Oklahoma State.

Marcum spent much of the 2015 campaign with the Cleveland Indians organization, splitting the year between Triple-A and the Major Leagues.

The right-hander logged a 5.40 ERA in 35 Major League innings last year and worked to a 3.26 ERA in 88 1/3 minor league innings in his final professional season.