Buffalo Bills
Challenge flag etiquette: Chan Gailey 0
00:14 – Find out how Bills head coach Chan Gailey prefers to throw the challenge flag.
PLAYLIST
FAN DISCUSSION
© 2013 NFL Enterprises LLC. NFL and the NFL shield design are registered trademarks of the National Football League.The team names, logos and uniform designs are registered trademarks of the teams indicated. All other NFL-related trademarks are trademarks of the National Football League. NFL footage © NFL Productions LLC. PRIVACY POLICY | Terms & Conditions