Juventus great Gigi Buffon has warned Chelsea not to underestimate his former club.

Juve are in London tonight for their latest Champions League group game.

Parma goalkeeper Buffon said on Tiki Taka: "When Juventus seems in difficulty, then they always surprise and hit the kidneys that make them win the most unthinkable trophies.

"I see Juve always protagonist in every competition, then winning the Champions League in recent years, against certain teams, is always complicated."

Victory tonight will see the winner go top of the group.