Indianapolis Colts QB Andrew Luck is determined to prove his worth
Jason Gay: Andrew Luck and Peyton Manning Are About To Make Indianapolis Awkward - WSJ
Barnwell - The NFL-altering Andrew Luck retirement, and what comes next - ESPN
Peyton Manning: Andrew Luck can 'make all the throws' in comeback season - ESPN - Indianapolis Colts Blog- ESPN
Andrew Luck gives Colts upper hand over Peyton Manning, Broncos - Los Angeles Times
What If? – The Colts chose Manning over Luck in 2012 — Logan Reardon
Flem File: Andrew Luck-Peyton Manning link spans more than 30 years - ESPN
Andrew Luck came along just in time for the Colts, replacing a legend and making it look easy – New York Daily News
Andrew Luck retirement: Life, future outside football - Sports Illustrated
Michael Rosenberg: For Stanford's Luck, college life more important than NFL riches - Sports Illustrated
Andrew Luck, Jim Irsay in NFL's 100 Most Important People
Luck wise not to follow other QBs into disability
Holder: When football became work, Colts QB Andrew Luck lost his motivation to play the game he loves - The Athletic