Raiders and 49ers fans fighting in stadiumRaiders and 49ers fans fighting (Photos via @B1ackschefter)
The Las Vegas Raiders wrapped up their preseason at home on Friday night against the San Francisco 49ers, and the fan bases for both teams just made everyone remember why they shouldn’t be in the same place together.

Although the Raiders moved out of the Bay Area, their rivalry with the 49ers still exists.

A recent preseason game between the San Francisco 49ers and Las Vegas Raiders turned violent, and at least one fan walked away with terrible injuries.

By now, everyone has seen the massive brawl between the fan bases, but now we are receiving another angle showing multiple 49ers fans punching, kicking, and throwing chairs at a poor Raiders fan whose face was covered in blood.

At the tail end of it, you could see at least one 49ers fan appearing to throw gang signs as another heavily tatted Raiders fan was being held back and pushed upstairs.

The one bloody Raiders fan eventually made his way onto his feet but still had to be prevented from trying to get payback.

The fight could’ve been a fan rivalry or gang issues.

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NFL Once Ended Raiders vs. 49ers Preseason Rivalry

Rivalries are embedded in the fabric of sports, but sometimes those rivalries go way too far and into a dark place.

Games between the San Francisco 49ers and Oakland Raiders used to be a hotbed for violence to the point that two men were shot outside the old Candlestick Park and another beaten unconscious in one of the stadium’s bathrooms.

Back in 2011, it was reported that the two teams would discontinue their exhibition games, per Wikipedia.

Judging by the above video, the league may have to ban those games once again.