Andrew Luck announces retirement from the NFL at age 29
Andrew Luck retirement: Life, future outside football - Sports Illustrated
Column: Just because Andrew Luck does superhuman things doesn't mean he's not human - The San Diego Union-Tribune
Why did Andrew Luck quit: Colts QB shocks his coach, GM, owner, city.
Andrew Luck shocks at revealing the sad reason he retired from the NFL
The Ripple Effects of Andrew Luck's Sudden NFL Retirement - The Ringer
Andrew Luck Announces Retirement
Barnwell - The NFL-altering Andrew Luck retirement, and what comes next - ESPN
Andrew Luck of the Colts Retires From the N.F.L. After Spate of Injuries - The New York Times
Andrew Luck's life was always about more than football
Andrew Luck Retirement Press Conference Speech Transcript: Luck Retiring from NFL
Indianapolis Colts quarterback Andrew Luck retires from NFL, NFL News
I understand why Andrew Luck retired, because I've been in his shoes
Former NFL Players Show Why Andrew Luck's Retirement Isn't a Surprise
Andrew Luck shocks NFL by announcing retirement from Indianapolis Colts