Mauricio Pochettino said Chelsea will approach the rest of the season confident in the knowledge they can compete with the best teams.
Arsenal moved level on points with Manchester City in the Premier League after winning 3-1 against Burnley, despite going down to 10 men.
Manchester City boss Pep Guardiola admits the John Stones injury is a big blow and will force his side to play "differently".
Manchester City suffered a setback in their Champions League win over Young Boys on Tuesday, losing centre-back John Stones to injury.
Erling Haaland shrugged off injury to score twice as holders Manchester City reached the Champions League last 16 with a comfortable 3-0 win over 10-man Young Boys.
Manchester City could be missing star striker Erling Haaland for the Champions League clash with Young Boys on Tuesday.