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It's been two years since Rafael Benitez was on the touchline in a game involving Chelsea.
This Sunday, though, he'll be in the Chelsea dug-out as manager for the first time, but he's got a thankless task ahead of him.
After sacking Roberto Di Matteo yesterday, Roman Abramovich has already shown that even winning the Champions League isn't enough to secure your job.
Benitez is seemingly already on a hiding to nothing.
Paul Kelso and Jason Burt of the Daily Telegraph wrote this morning that Benitez is already under pressure from the Chelsea fans because of his attitude towards the club when he was in charge at Liverpool.
This is just my opinion, but that's ridiculous.
When he was in charge at Liverpool, Benitez was completely focused on backing his club and players to the hilt.
No Chelsea fan can tell me that some of their managers haven't riled up opposition fans and players in the past, so why are they prepared to write Benitez off before he's even had a chance to get to work?
Chelsea have a fantastic squad and I've got no doubt that Benitez will do the best he can to get the best out of those players.
They're low on confidence right now, and on paper, Sunday's game against City wouldn't be the ideal fixture.
However, City go in to Sunday's match after being eliminated from the Champions League for the second season in a row as speculation continues to grow about the future of Roberto Mancini.
Again, for my money, that's ridiculous.
City have simply had tough groups in the last two years, tougher than any other British side.
All of the blame can't be pushed on to Mancini, the players have to take some responsibility for not performing on the biggest stage.
These aren't players you'd find playing in your local park on a Sunday morning, they're all excellent, experienced, international-class footballers.
You can talk about Mancini's tactics, but the players have to follow his instructions.
If they don't, it's not his fault.
I expect both teams to match each other in terms of formation, but if I'm honest, I think that City have a better chance of winning this than Chelsea do.
Unfortunately for Rafael Benitez, Chelsea's recent poor run will continue, and City's unbeaten start to the season will go on.
Either way it'll be gripping to watch, and no doubt, there'll be some fantastic football on show!