New York Yankee starting pitcher Luis Severino (elbow) had his throwing session pushed back a day due to back stiffness. Severino was slated to face live hitters for the first time since undergoing Tommy John surgery, though that will have to wait a day after the 27-year-old hurler woke up with a stiff back. Aside from this, which appears to be a minor setback, Severino has been progressing well- and still seems to be on track for a return to the rotation in July. He is expected to face live ...