The Mets have optioned Corey Oswalt to Triple-A Las Vegas to make room on the roster for Jason Vargas, who will start tomorrow’s game. He has been sidelined for over a month with a calf strain he sustained during drills.
In Vargas’s and Noah Syndergaard’s absence, the Mets have had to cobble together a back end of the rotation. Corey Oswalt has pitched to a rather pedestrian 5.56 ERA as a starter this season, but had been showing improvement of late. He has a 3.