Not sure I buy into the surgery now vs a month or two down the road doesn't make a difference as far as when he could return. Since it is a partial tear then the level of surgical procedure is less than the full meal deal and seems like he could have that kind of surgery and still pitch next season?
I don't think this is correct. The surgery is essentially the same whether its a full tear or a partial that requires surgery. They don't rebuild the originally torn ligament, so the severity of the tear doesn't really matter. They harvest a tendon from elsewhere on your body (or from a donor), drill some holes in your two arm bones, and then tie the harvested tendon through the holes to re-connect your bones to each other like the old, torn tendon used to do.