NaVorro Bowman - Wikipedia
Monday's NFL roundup: 49ers' Smith retires
49ers LB Willis retiring after toe surgery
San Francisco 49ers LB NaVorro Bowman retires from NFL
Luke Kuechly Joins Esteemed Company As an NFL Star Who Retired Young - The Ringer
49ers re-sign NaVorro Bowman for retirement purposes – Daily Democrat
49ers LB Patrick Willis retiring
Linebacker Patrick Willis is ready to retire, even though he's only 30 – The Denver Post
NaVorro Bowman's Road to Recovery Continues at 49ers Training Camp
NaVorro Bowman Stats, Profile, Bio, Analysis and More, Retired