Andrew Luck retiring from NFL: What we know about his decision - Sports Illustrated
Andrew Luck's stance on NFL comeback after receiving call asking him to return - Irish Mirror Online
Andrew Luck shocks at revealing the sad reason he retired from the NFL
Andrew Luck's Retirement Leads to Boos, Praise and a Debate About Grit - The New York Times
In Andrew Luck's Retirement, Football's Consequences Weigh Heavily - The New York Times
What is behind the Indianapolis Colts' disappointing 2019?, NFL News
Jaguars at Colts: What to watch for
NFL Power Rankings: Colts Plummet After Andrew Luck's Retirement, News, Scores, Highlights, Stats, and Rumors
Andrew Luck retires: How history would change if the Colts kept Peyton Manning, never drafted Luck
NFL Thanksgiving: Bill Belichick, Jonathan Taylor among reasons to be thankful - Sports Illustrated
Indianapolis Colts lose QB Andrew Luck for 2-6 weeks with lacerated kidney, torn abdominal muscle
Carson Wentz: Philadelphia Eagles quarterback headed to Indianapolis Colts in bumper NFL trade, NFL News
NFL Power Rankings: Colts Plummet After Andrew Luck's Retirement, News, Scores, Highlights, Stats, and Rumors
Andrew Luck Retired Early. Will Other Players Follow? - WSJ