Between Andrew Luck's contract and potential future earnings, Indianapolis Colts owner Jim Irsay estimates the quarterback is walking away from a half-billion dollars by retiring at age 29, per Mike Garafolo of NFL Network.
Luck piled up more than $97.1 million in on-field earnings during his seven-year NFL career, per Spotrac.
This article will be updated to provide more information on this story as it becomes available.
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