Premier League, Chelsea v Man City (Live BT Sport 8.15)
Manchester striker Sergio Aguero underwent knee surgery in Barcelona yesterday and said the operation had gone well.
"Everything went well, and I'll soon begin recovery," Aguero said on Twitter with a photograph of himself lying in a hospital bed.
City manager Pep Guardiola told reporters earlier in the day that the Argentine would have the operation on his left knee.
The club's record goalscorer limped off with the injury in Monday's 5-0 Premier League home win over Burnley.
Guardiola said after the game he feared the 32-year-old could miss the rest of the league season which ends in July.
"After the surgery... he will tell us with more accuracy when he can come back," he told reporters ahead of tonight's game at Chelsea.
Aguero flew to Barcelona on Tuesday to see specialist doctor Ramon Cugat and City will be hoping the player might return in time for the Champions League when it resumes in August.
City lead 2-1 against Real Madrid after the away leg of their last-16 match and are hoping to reach the 'Final Eight' of the competition which will be held in Lisbon.
Guardiola said City had plenty of options, with Gabriel Jesus the only main striker fit and ready but Ilkay Gundogan and Raheem Sterling are able to slot into the role.
The manager indicated defender John Stones was close to a return after an ankle injury but was unlikely to face Chelsea.
"He is on the pitch training and getting better," said the Spaniard. "Hopefully in the next few days he can play in the team."
City have also been without England defender John Stones since returning to Premier League action last week due to an ankle injury. The centre-back is unlikely to be available at Stamford Bridge but is making good progress in his recovery.
Number two goalkeeper Claudio Bravo is also training again after a thigh problem.
A final decision on whether City's clash against Liverpool next Thursday takes place at the Etihad Stadium or a neutral venue is expected to be made before the end of the week. Asked about the possibility of the game being moved, Guardiola said: "We will follow the Premier League instructions."
Guardiola's counterpart at Chelsea, Frank Lampard, has insisted his club has not tabled any transfer bid for in-demand Bayer Leverkusen midfielder Kai Havertz, 21.
Chelsea have long been linked with a move for the seven-cap midfielder, but Blues manager Lampard is adamant no bid has been forthcoming.
Asked if Chelsea have made contact with Leverkusen, Lampard said: "No, no bids have gone in. He's obviously a top player, but I'm certainly not going to comment on other players at other teams."