Why did Andrew Luck retire? Colts QB's decision to end NFL career, explained
Andrew Luck Retirement Shocks The NFL, Makes Steelers' Schedule A Little Easier - Steelers Depot
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Ben Roethlisberger throws for 6 TDs as Steelers outgun Colts - The Boston Globe
Indianapolis Colts QB Andrew Luck retires after seven seasons
Colts Quarterback Burning Questions Heading Into 2015 Training Camp
Tom Brady is retiring from football after 22 extraordinary seasons, multiple sources tell @JeffDarlington and me. More coming on ESPN.com. : r/ Colts
The Pain of Andrew Luck. I watched ESPN and the scroll at the…, by K719
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Throwback: Colts Fans React To Andrew Luck Retirement News, Indianapolis Colts, Andrew Luck, National Football League, retirement
Report: Andrew Luck retiring from NFL
Indianapolis Colts quarterback Andrew Luck retires from NFL