11:13pm: The Yankees say Pineda will be out at least 3-4 weeks. I have to think they will be extra careful to make sure he doesn’t somehow hurt his shoulder compensating for the back, so don’t be surprised if he’s out longer than that. See you in June, Big Mike.

11:00pm: The MRI revealed a Grade I strain of teres major muscle in Pineda’s back, the Yankees announced. It’s the same injury that has kept Clayton Kershaw out all month. Pineda will be re-evaluated by team doctor Dr. Ahmad in New York tomorrow. Sure sounds like a DL trip is forthcoming.

4:03pm: Michael Pineda felt some stiffness in his right lat during a simulated game in Tampa earlier today and left after one inning, Joe Girardi told reporters. He is heading for an MRI and his next start is in jeopardy. Pineda is eligible to return from his ten-game suspension on Monday. Girardi confirmed David Phelps would remain in the rotation if need be.

The good news is that the injury doesn’t involve Pineda’s surgically repaired shoulder. Andy Pettitte missed a start with a stiff lat last season and Johnny Cueto missed more than half the season with a lat strain, so this could be nothing or something pretty big. The suspension buys the Yankees some time, which I guess is good, but losing Pineda for any more time beyond that would be a big blow to rotation that is already without Ivan Nova.