Chris Wilder believes his side will face 'arguably the best team in the division' at Elland Road on Saturday lunchtime.
And the Blades boss is excited about the prospect of locking horns with a manager he has the utmost respect for in West Yorkshire.
Wilder commented: "Arguably Leeds have been the best team in the division for eight months, whether or not that can continue for another month is obviously to be seen.
"But when people talk about the powerful clubs in the division, the likes of West Brom, Stoke, Derby and a host of others, you look at the top of the division and those two at the top have been the best right the way the current campaign."
The Blades chief added: "Marcelo (Bielsa) has worked at the highest level, his CV isn't too shabby. He's worked at national level and at some of the most powerful clubs in Europe and abroad."
"Historically it's been a huge club with massive tradition and financially he's been backed to turn them round.
"It's got a fabulous history, some fantastic former players and trophies that they've won and perhaps it's a club that shouldn't be in the Championship, but are and that shows how tough English football can be.
"Marcelo has obviously sprinkled his magic dust on that club through being an outstanding manager and having a terrific infrastructure and an excellent group of players."