They are of course the Premier League champions and will have to use every bit of boost they can, home advantage in the first leg could be a bonus for the Stamford Bridge outfit.
"On one hand, you know this team is one of the best in the world - maybe they are favourites to win this competition", he told British media. We have to pay great attention, but not only to Messi.
"But I am different, completely different".
Asked if he was anxious about more of his players being tempted to accept mega-bucks offers from the Far East, Valverde said: "At the moment it has only happened with Mascherano and I am not going to make myself go insane thinking about these things before they have happened".
Here are all the key details ahead of the big game.
While Chelsea have netted in five of their six matches in the tournament, we could be in for a low-scoring encounter in the first leg of this Champions League last 16 tie.
"It's a massive night for the players, for the club, for English football in general, so hopefully we can do well and give a good image of what we can do".
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"In these days after the game in the FA Cup, I must be honest.it was a bit hard to sleep well", said Conte. We have an idea. In this specific moment for us it's very important to pick the players that are in the best form, and then try to do our best during the game. In group play in this season's UCL, Chelsea finished tied in Group C with AC Roma, which won the head-to-head tiebreaker.
"They are the clubs with the most visibility, it's everyone's dream to play for these clubs".
"Not just for winning the Premier League here with Chelsea but what he did at Juventus, (and) the (Italian) national team". Chelsea might be the same. We know the characteristics Barcelona have: they like to have possession; they like to control the game.
However, they could win their first trophy of the season at the weekend when they take on Arsenal in EFL Cup final at Wembley and are now 16 points clear at the top of the league table.
"This is a game of high quality with two good teams".
"Chelsea have a unique style of football and know their own game".
Head Coach Antonio Conte will hope the drought will continue.
"He is one of the best managers in the world with a great record", the former Athletic Bilbao boss said.