Linebacker Patrick Willis is ready to retire, even though he's only 30 – The Denver Post
49ers All-Pro NaVorro Bowman officially retires
NaVorro Bowman has retired, Page 11
The Life And Career Of NaVorro Bowman (Story)
NaVorro Bowman earned place among 49ers all-time greats
Best NaVorro Bowman Posts - Reddit
Navorro Bowman signs with 49ers to retire - NBC Sports
Grant Cohn: For all his greatness, NaVorro Bowman's time is done
Navorro Bowman The New Era Wallpaper by hawkfan13 on DeviantArt