5m - NFL Ryan Kerrigan Washington Redskins+1 more
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- John Keim, ESPN Staff Writer Close
- Covered the Redskins for the Washington Examiner and other media outlets since 1994
- Authored or co-authored three books on the Redskins and one on the Cleveland Browns
ASHBURN, Va. -- Washington Redskins linebacker Ryan Kerrigan underwent arthroscopic surgery on his left knee Tuesday, leaving in doubt when he'll be able to resume his offseason activity.