Andrew Luck Retirement is Sad – Off the Rip
Barnwell - The NFL-altering Andrew Luck retirement, and what comes next - ESPN
Why did Andrew Luck quit: Colts QB shocks his coach, GM, owner, city.
Where is Andrew Luck? Retired Colts QB back at Stanford three years after NFL departure
Nevius: Andrew Luck saga shows millennials may have a point
Colts quarterback Andrew Luck announces he is retiring from football - Los Angeles Times
The cost of Andrew Luck's retirement continue to pile up on Colts
Andrew Luck's Retirement Reveals the Uglier Side of NFL Fandom – Texas Monthly
Andrew Luck's retirement leads to Colts' AFC title and Super Bowl odds plummeting