Shocking moment Man Utd and City fans brawl in the street before FA Cup final – leaving shirtless man knocked out cold

THIS is the shocking moment Manchester and United Manchester City fans brawled in the street before the FA Cup final today.

Only hours before the footballing rivals faced off in an FA Cup Final for the second year in a row their supporters have shamed themselves in a violent fracas.

Twitter/@UB1UB2Footage posted to social media showed rival fans fighting each other before the FA Cup Final[/caption] Twitter/@UB1UB2The groups of men throw punches and grapple with each other[/caption]...