00:01A terrifying scene unfolded outside Levi's Stadium after the San Francisco 49ers defeated the Las Vegas Raiders.
00:09What should have been a celebration turned into a massive parking lot brawl, with rival fans exchanging punches.
00:16Disturbing footage shows at least two men collapsing to the pavement, while others continue throwing punches, even at people already
00:22on the ground.
00:23Santa Clara police are investigating the violence. The identities of those involved and the full extent of their injuries remain
00:30unknown.