Leeds United And Manchester United are big rivals . Leeds's biggest win against Man United is 5-0 . Manchester United are good at the moment and Leeds United have had a very good history . Manchester United are Leeds united's biggest rivals . Eric Cantona , Famous for playing with Leeds and Manchester United played for both sides. This has caused many fights and pitch explosions. The last meeting was at Elland Road and Manchester United won 3-0 in the 2011-12 season in the Carling Cup but Manchester United were the favourites since they were in the Premier League while Leeds United were in the Npower Championhip and still are.