Andrew Luck on AFC Championship loss: 'You feel deflated' - Sports Illustrated
Colts Insider Answers Why Andrew Luck Retired Early
Ben Roethlisberger Injured in Pittsburgh Victory
Coach says Colts' Andrew Luck 'doing great' after injury-marred 2015
Report: Colts QB Andrew Luck To Retire After Latest Injury, Is 'Mentally Worn Down'
Andrew Luck finally reveals why he walked away from the NFL - ESPN
Indianapolis Colts: Andrew Luck's shoulder injury timeline
Colts QB Andrew Luck to retire after latest injury, is 'mentally worn down'
I'm In Pain': Andrew Luck Retires At Age 29
Colts quarterback Andrew Luck retires from NFL due to injury - The Globe and Mail
Andrew Luck's injury is not just 'inside his head,' despite what Colts owner Jim Irsay says
Andrew Luck finally reveals why he walked away from the NFL - ESPN