Steal of the draft:

[GTripp0012]

Originally Posted by That Guy

Dolphins | Still undetermined if R. Wright will need surgery
Sun, 30 Apr 2006 18:32:31 -0700

Miami Dolphins head coach Nick Saban said DL Rodrique Wright (shoulder) was told by a doctor that he may need surgery. Saban added, "When we bring him in, we are going to examine him beyond what was done at the combine to determine the extent of his injury and make a determination then as to what the best procedure is. He can continue to play with this and we can do it later. I think if he continues to play with it, he is going to continue to do damage and eventually it is not going to repair correctly." It is not known how much time he would miss if he did have surgery, but Saban said there could be a point in time during the 2006 season where Wright would come back and play.

explains some of the fall, but not all of it.

I think the rest is character/effort related.