Posada does not have a full-thickness tear (or rupture,) but according to sources there was significant damage in at least two of the four muscles, though there will be another set of images taken on Tuesday to gauge whether playing for the past few weeks has aggravated the issue. Most of the damage was focused in the subscapularis and was described as "moderate," a diagnosis that was agreed on by Andrews, David Altchek, and Yankees team physician Stuart Hershon. Posada is scheduled to see Dr. Altchek again after this imaging to make a determination about surgery. All indications are that that's what will be necessary, but there's still some question about whether he'll have it now and be ready for next season, or wait until after the season and put part of 2009 in jeopardy.
There continues to be some question about how Posada's situation has been managed. He appears to have tried to play through it, with Joe Girardi—the former Yankees backstop who started ahead of Posada earlier in his career—not 'allowing' Posada to play through pain. Yet Posada told the press that "it hurts to throw, and I can't catch like this" on Monday. He can hit, but if his or the team's insistence on catching has caused an exacerbation, it's clear that this was mismanaged. For a team willing to sign Richie Sexson, playing Posada at first base or designated hitter should have been an option. If Posada elects to have surgery, he should be able to return, though the impact on his throwing will be seen well into 2009, raising these same questions again.
Most of the Yankee fans I've heard from agree: time to go under the knife, Jorge.