Peyton Manning - Wikipedia
Barnwell - The NFL-altering Andrew Luck retirement, and what comes next - ESPN
Week 5 N.F.L. Matchups - The New York Times
Andrew Luck keeps his head while all about lose theirs over Peyton Manning, NFL
Bell Tolls: Never mind Manning, what about Luck's pressure?
Broncos vs. Colts 2013: Denver 'undisciplined' in loss
Andrew Luck's Massive Playoff Comeback, Colts vs. Chiefs, 2013 AFC Wild Card
Andrew Luck keeps his head while all about lose theirs over Peyton Manning, NFL
Andrew Luck outduels Peyton Manning in memorable Broncos-Colts contest - Sports Illustrated
Andrew Luck's Retirement Leads to Boos, Praise and a Debate About Grit - The New York Times
Luck leads Colts to upset of Manning and Broncos 24-13 – Greeley Tribune
Andrew Luck gradually climbing into the upper echelon of quarterbacks - Washington Times
LOOK: Twitter can't help but critique Andrew Luck and Peyton Manning's fashion choices
Peyton Manning vs. Andrew Luck: Who faces more pressure Sunday? – Twin Cities
Peyton Manning loves this Andrew Luck touchdown pass