2016 Denver Broncos season - Wikipedia
Indianapolis Colts and Andrew Luck upset Peyton Manning and the Denver Broncos
Colts 24-13 Broncos (Jan 11, 2015) Game Recap - ESPN
Andrew Luck leads Colts in upset of Denver Broncos – Daily Breeze
Luck leads Colts to upset of Manning and Broncos 24-13, Pro Sports
Peyton Manning's injury disputed
Peyton Manning reportedly wants to return for 2015 season
Peyton Manning, Broncos fend off Colts in 31-24 victory - Los Angeles Times
Denver Broncos Look Back To Kubiak For Success In 2015 - CBS Colorado
Peyton Manning reportedly wants to return for 2015 season