The fight was captured on video and shows both teams from Damien and Bishop Amat high schools engaging in what appears to be a fight.
Both teams were rushed off the field after the handshake line turned into a brawl.
Police said a 19-year-old Bishop Amat football player claims two people battered him, and at least one of them is a Damien High School football coach.
Police are investigating this as a battery report.
This is a developing story. This article will continue to be updated as more information becomes available.