Patrick Willis retiring from 49ers after injury-shortened season, NFL
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49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
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Why would an NFL star retire when he can still play? Patrick Willis explains why he walked away in his prime
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
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49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
Sources: Patrick Willis to have season-ending surgery