After San Diego lost to Denver on Sunday night, three Chargers fans attacked a Broncos fan.
According to The Denver Post, three Chargers fans attacked a man wearing a Peyton Manning jersey and then posted an 18-second clip of the brawl on the internet.
The video shows Chargers fans kicking and punching a man wearing the opposing jersey.
The New York Daily News has reported that the Broncos fan was allegedly taunting Chargers fans after the loss at a rally in National City, just outside of San Diego.
Police intervened to stop the attack and cuffed the suspects.
National City authorities have said that at least four people were charged with assault and public intoxication.
The San Diego Chargers clinched a Wild Card spot in the AFC playoffs this year on the last day of the regular season. The team went on to beat the Cincinnati Bengals 27-10 in the Wild Card round, but lost to the Broncos 24-17 in the Divisional Round.