The first Sunday of the season fell on the tenth anniversary of the September 11 attacks . To commemorate that event players , coaches , game officials and sideline personnel all wore a special stars and stripes ribbon bearing the dates " 9/11/01 " and " 9/11/11 " as a patch or pin . Players were also allowed to wear special red , white and blue gloves and shoes
September 11 attacks
September 11 attacks
2011 NFL season