Few QBs As Good As Andrew Luck Have Left The Game So Early
Barnwell - The NFL-altering Andrew Luck retirement, and what comes next - ESPN
Colts QB Andrew Luck to retire after latest injury, is 'mentally worn down'
Andrew Luck retires: Let's take a look at the Colts quarterback's injury history in wake of shocking decision
Andrew Luck's Retirement Reveals the Uglier Side of NFL Fandom – Texas Monthly
Andrew Luck Retires: What We Know About The Colts QB's
Indianapolis Colts QB Andrew Luck Gave Up Fame, Riches, and Football - The Ringer
Why did Andrew Luck quit: Colts QB shocks his coach, GM, owner, city.
Colts QB Andrew Luck announces his retirement
Colts QB Andrew Luck to retire from NFL, effective immediately, BREAKING NEWS