Chargers fans clash with Broncos fan in San Diego

The last time the Chargers played the Broncos, a stabbing happened in the parking lot at Mile High Stadium, unrelated to fan loyalties.  This time, a fan-related brawl occurred — in San Diego. According to NBCSanDiego.com, a gathering of Chargers fans at 4th Street and Highland Avenue in National City was infiltrated by a man…