Ole Gunnar Solskjaer is eager to pit his wits against a Leeds United team he feels will test Manchester United "to the limit" when the sides renew their rivalry on Sunday.
There is little love lost between the cross-Pennine rivals, who have not met in the top flight since a 1-1 draw at Old Trafford in February 2004.
Since then, the teams have faced off in the FA Cup in 2010 – a famous 1-0 win for Leeds – and a 2011 EFL Cup tie that saw United triumph 3-0.
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Red Devils boss Solskjaer is only all too aware of the importance of the fixture having featured in several contests himself as a player.