The 49ers took a huge swing with Trey Lance. It looks like they missed, San Francisco 49ers
Video shows multiple violent brawls among fans at Levi's Stadium for 49ers-Giants game - ABC7 San Francisco
Key moments from the Dallas Cowboys-San Francisco 49ers rivalry - ESPN
49ers fans ignite massive brawl during preseason game with Broncos
49ers fans ignite massive brawl during preseason game with Broncos
Cardinals Put Up Fight Against 49ers But Leave With Loss
49ers fans get into brawl at preseason game in front of several children
49ers fan sues Rams over punch that left him in coma near stadium - Los Angeles Times
49ers fans get into massive brawl at Levi's Stadium