Dallas Cowboys starting defensive lineman Mark Walen...
Dallas Cowboys starting defensive lineman Mark Walen will miss the 1989 season after undergoing arthroscopic surgery on his left knee, a team spokeswoman said.
Walen, a third-year veteran from UCLA, was reported in good condition at Mary Shields Hospital in Dallas. Dr. Robert Vandermeer repaired a torn interior cruciate ligament and damaged cartilage in Walen’s knee.
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