Why did Andrew Luck retire? Tragic story of Peyton Manning's

Andrew Luck was the perfect quarterback. He had all the physical gifts and intangibles you'd want in a signal caller, and he was putting up the numbers to back it. And yet, he tragically retired at 29 years old.

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The Untold Truth Of Andrew Luck

Transcript of Andrew Luck's retirement news conference - ESPN - Indianapolis Colts Blog- ESPN

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Andrew Luck finds cost of football too pricey to continue career

Ashish Priyadarshi, Author at The SportsRush

Tale of the Tape: Andrew Luck vs. Peyton Manning

Why did Andrew Luck retire? Tragic story of Peyton Manning's

NFL: Indianapolis Colts star Andrew Luck retires after 'cycle of injury pain' – video, Sport