Atletico Madrid midfielder Gabi has questioned the attitude of Chelsea's players ahead of their Champions League semifinal.
Diego Simeone's side host the Blues on Tuesday in the first leg of the semi-final, no doubt buoyed by the visitors' shock defeat against Sunderland at the weekend.
"I don't know about ability but we certainly have more desire and we have to try and exploit that," he said.
"We have to take advantage of playing the first game at home, as it can prove decisive ahead of playing the return leg.
"On Tuesday we can take a huge step towards the final - but we must produce on the pitch."
