49ers LB Chris Borland won't be last to retire early for safety reasons - Sports Illustrated
Seattle Seahawks receiver Sidney Rice retires at age 27 - ESPN
Seahawks wide receiver Sidney Rice retires
Seahawks' Sidney Rice Announces His Retirement
Ex-Vikings WR Sidney Rice retires from NFL at age 27 – Twin Cities
Seahawks receiver Rice announces retirement - The Columbian
Harvin back; Favre close?
Thursday Round-Up: Seahawks Legend Sidney Rice Enters the Wine Industry
Photo Gallery - Best of Sidney Rice
NFL star Chris Borland quits over head injury concerns - CBS News
I Wanted to Be Able to Function” - The Tragic Reason Behind Sidney Rice's Retirement From NFL - Sportsmanor
Another young NFL player calls it quits to protect future health
Thursday Round-Up: Seahawks Legend Sidney Rice Enters the Wine Industry