The Cubs plan to select Flexen's contract from Triple-A Iowa, Jesse Rogers of ESPN.com reports.

EDGE Analysis

Flexen could have opted out of his minor-league contract May 1 if not added to the big-league roster by then, and the Cubs have decided to keep him around. The righty changed his arm slot at Iowa and has posted a 1.16 ERA and 21:8 K:BB over 23.1 frames covering five starts. He's expected to serve in a long-relief role for now and will be officially added to the roster Wednesday or Thursday.