Mets manager Luis Rojas said Monday that Carrasco (hamstring) has begun a throwing program and is doing well, Anthony DiComo of MLB.com reports.
Carrasco has had a difficult spring, dealing with elbow soreness and then straining his hamstring while doing conditioning work. His timeline isn't entirely clear, but he's not expected back before the start of May. Joey Lucchesi will start the season in the rotation in his absence.