I'm not sure if it is the biggest loss but I watched this one: Hajduk (Split, Croatia) - Manchester United 6:0 , year 1980, friendly match.
Manchester United, definitely. We got the biggest fan-base on the planet.
manchester united
Manchester united
Manchester United
As Manchester United is the club with the biggest fan base , the fans will be in millions , that is world wide.
5-0
Manchester united have 75797 seats
No , It is'NT the biggest rich club. It is Chelsea football club
Manchester United or Chelsea.. Always changes Manchester Utd and Chelsea are their biggest competition, but their true rival is tottenham
Manchester City's biggest defeat is 8-1 by middlesbrough
pretty darm big ( biggest in the world)