He had surgery last week to repair torn cartilage in his hip and is expected to be out at least three months.
It turns out that the hit on his knee required him to have surgery to repair damaged cartilage.
He had surgery on August 3, 2006, to repair torn cartilage in his left knee.
He has already had two operations to repair torn cartilage in the knee, but this time reported pain from the outside ligament.
He also underwent surgery on his left knee to repair cartilage.
They missed the following year's national championship due to surgery to repair torn cartilage in Mitchell's shoulder.
He underwent arthroscopic surgery two days later to repair torn cartilage.
He had arthroscopic surgery on his right knee in June to repair torn cartilage.
Chances are he will need surgery to repair cartilage in his knee and he could miss two to four months.
He missed the entire 1999 season after surgery to repair torn cartilage in his throwing shoulder.