Colts QB Andrew Luck retires at 29, cites frequent injuries
Colts Insider Answers Why Andrew Luck Retired Early
A friend and former teammate, Michael Thomas reacts to Andrew
Andrew Luck quietly returns to football near Stanford stomping grounds
Andrew Luck Stuns NFL With Retirement, Leaving Jacoby Brissett As
Andrew Luck retired, and now the Colts are kinda screwed
A year after his stunning retirement, Andrew Luck remains
Ex-Colts QB Andrew Luck returns to football as HS coach
The One At 1: 2012 -- Andrew Luck