Fred says Manchester United have more 'blood in their eyes' when it comes to playing Liverpool than Manchester City. United have long been rivals with Liverpool, with the clubs regularly competing for the same trophies and league titles.
The rivalry with City is no less competitive, although United had a long period ahead of the Blues before their takeover in 2008.
Now, United have to watch as Liverpool and City are both challenging for the Premier League title as Ole Gunnar Solskjaer's men try to break into the top four.
Still, United are one of just two sides to take points off Liverpool this season and won three of their four meetings against City.
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