"The nerve has to start firing again. Once it starts firing again, he should be fine. It's just a matter of when is it going to start firing again?," Mora said in a news conference. "He's getting all the treatment he can get. He's doing everything he can do. Our doctors are as good as they get. He's got a dad at home who's a doctor, so he's surrounded by good people. It's just a matter of his arm starting to fire. He's been trying to throw, and it just hasn't gotten to the point where he can cut it loose yet."