Colts QB Luck announces surprise retirement from NFL
Andrew Luck retirement: Colts QB to end NFL career - Sports Illustrated
Indianapolis Colts QB Andrew Luck makes the decision of his life, for his life, Sports
Andrew Luck Retires; Former Gator to Take Starting Quarterback Position - ESPN 98.1 FM - 850 AM WRUF
Andrew Luck announces retirement, shocking the NFL
Don't boo Andrew Luck: The man has perspective
Luck announces retirement following Colts loss to Bears
Oft-injured Colts QB Andrew Luck, 29, announces retirement
NFL star Andrew Luck announces shock retirement at 29, cops boos from own fans
Colts QB Andrew Luck, former No. 1 pick, announces he's retiring
Matthew Stafford: I respect the hell out of Andrew Luck