Raiders fan swings helmet at Cowboys CB during brawl

Tuesday’s joint practice between the Cowboys and Raiders in Oxnard, Calif., was supposed to be a harmless, routine scrimmage. What transpired instead was something straight out of the WWE. According to the Fort Worth Star-Telegram, an “all-out brawl” broke amongst Dallas’ defense and Oakland’s offense on the sidelines, with Cowboys cornerback B.W. Webb narrowly avoiding…