Lugo left Thursday's game against St. Louis with a right calf cramp, Newsday's Marc Carig reports.

EDGE Analysis

The right-hander shut out the Cardinals through five before aggravating his calf on a warm-up pitch. While his status moving forward is uncertain, the diagnosis of a cramp suggests it's a short-term concern. Steven Matz (shoulder) is expected to be ready to go Tuesday and will presumably pushing Lugo to a long-relief role.