NFL's Andrew Luck retiring: How much money he made, could be giving up
Colts' Andrew Luck explains, reflects on decision to retire from NFL: 'Not the healthiest way to live'
Aaron Rodgers explains why he's now at peace with the Packers - Sports Illustrated
Former NFL star Andrew Luck regrets timing of retirement, but happy with decision: 'I was in pain' as a QB
Laying Blame for the Injuries that Derailed Andrew Luck's Career
Andrew Luck's stance on NFL comeback after receiving call asking him to return - Mirror Online
Andrew Luck: Ex-Colts QB Working as High School Coach While Pursuing Master's Degree - Sports Illustrated
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Andrew Luck retires: The Colts quarterback complimented defenders who inflicted pain.