Paris Saint-Germain midfielder Thiago Motta insists Chelsea will be harder to beat without Jose Mourinho, according to the Mirror.
The Ligue 1 giants are due to face the Premier League champions next week in the Champions League last 16, which will be the clubs' third successive meeting in the competition.
The Italian is of the opinion that Guus Hiddink’s tactics make the Blues a more difficult opposition to overcome.
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He said: "It’s more difficult without Mourinho. They’ve changed their game. When we played them in the last two seasons, they were a team who played on the counter and didn’t want the ball.
"Nowadays, they’re a team that tries to play. It will be difficult."
Despite entering the twilight years of his professional career, Motta has played a vital role under Laurent Blanc alongside Blaise Matuidi and Marco Verratti this term.
The Brazilian-born 33-year-old has previously played under Mourinho during his days at Inter Milan, winning the Champions League in 2010 - a feat he believes PSG can emulate.
"When I was at Inter, in January 2010, nobody thought we could win the Champions League – even us!" he continued. "At the end, we managed to do it."
"Right now, I think five or six teams can get to the final. Atletico Madrid did it - why not PSG?"
The Parc des Princes side are on a 34-match unbeaten run in Ligue 1 and will hope to carry over such dominant form into the latter stages of Europe's elite competition.
Likewise, Motta will be hopeful of Champions League success given his contract runs out this summer.