Andrew Luck opens up about what led to him retiring from the NFL - Sports Illustrated All Cardinal News, Analysis and More
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Andrew Luck retiring from NFL: What we know about his decision - Sports Illustrated
'Luck' podcast, episode 6: Andrew Luck's retirement shocked Colts, NFL world - The Athletic
Transcript of Andrew Luck's retirement news conference - ESPN - Indianapolis Colts Blog- ESPN
Andrew Luck finally reveals why he walked away from the NFL - ESPN
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