Covey is expected to pitch as a reliever, Christopher Smith of MassLive.com reports.

EDGE Analysis

Covey was called up Saturday after Boston optioned Ryan Weber after three poor starts. While Covey was a starter for the White Sox the last few seasons, the Red Sox plan to call up a pitcher from the alternate camp to take Weber's spot in the rotation. The list of candidates includes Brian Johnson, Kyle Hart and Tanner Houck.