Manchester United boss Ralph Rangnick admits he had no idea about the club's bitter rivalry with Leeds United.
United go to Elland Road on Sunday.
Rangnick said, "I didn't know that a week ago – one of my colleagues has told me this is one of the biggest ones.
"We had quite a few local derbies in Germany – our side though has so much experience playing against sides in this environment and as far as I know it's the first game in a full stadium at Elland Road since they were last in the Premier League.
"We are looking forward to it."
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