Andrew Luck salary: What is the Colts' quarterback giving up by retiring
Andrew Luck retirement: Colts QB walks away from the game at age 29 - Sports Illustrated
Andrew Luck ruled out for 49ers game in Week 5 - Niners Nation
The college football bowl games that will make you money: Get Luck and BoomerSooner - CultureMap Houston
Andrew Luck's 2012 NFL Draft Had a Lot of Big-Name QBs
Laying Blame for the Injuries that Derailed Andrew Luck's Career
Andrew Luck of the Colts Retires From the N.F.L. After Spate of Injuries - The New York Times
Laying Blame for the Injuries that Derailed Andrew Luck's Career
Andrew Luck took out a full-page ad to thank fans, Indianapolis
Everything You Need to Know About Andrew Luck's Retirement - The Ringer
Andrew Luck Walked Away From $58 Million, but That's Not Necessarily Bad - The New York Times