DE Ryan Kerrigan to sign one-day contract, retire as member of Washington Commanders - ESPN
Ryan Kerrigan signs one-day contract with Commanders to retire with Washington after 11-year career
Ryan Kerrigan Announces Retirement
GALLERY: Muncie Central's Ryan Kerrigan retires after 11 NFL seasons
Ryan Kerrigan Announces NFL Retirement; Had 95.5 Sacks in 10 Seasons with Commanders, News, Scores, Highlights, Stats, and Rumors
Washington Commanders - Wikipedia
Ryan Kerrigan, former Washington defensive end, retires from NFL - The Washington Post
Ryan Kerrigan Announces NFL Retirement; Had 95.5 Sacks in 10 Seasons with Commanders, News, Scores, Highlights, Stats, and Rumors
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GALLERY: Muncie Central's Ryan Kerrigan retires after 11 NFL seasons
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