San Francisco 49ers All-Pro LB Patrick Willis expected to retire due to injury, reports say
Bleacher Report - San Francisco 49ers make it official: Patrick Willis will retire. Details
Patrick Willis Explains Decision to Retire from NFL
Ole Miss Alumni Review - Fall 2021 by Ole Miss Alumni Association - Issuu
Ex-NFL Star Patrick Willis Tackles Storage Technology
Patrick Willis' Shock Retirement Marks Official End of Jim Harbaugh-Era 49ers, News, Scores, Highlights, Stats, and Rumors
Retired 49ers LB Patrick Willis denies report of 2016 comeback
Report: 49ers' Patrick Willis planning to retire
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Ole Miss Rebels football - Wikipedia
Ole Miss Football - Congrats to Patrick Willis on making the College Football Hall of Fame ballot. You're a Hall of Famer in our book! #HottyToddy
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Willis: Maybe it's not all that surprising - Mississippi Sports Hall of Fame
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Patrick Willis Explains Decision to Retire from NFL