Chelsea midfielder Oscar feels it is essential that he and his teammates keep up their level of performance until the end of the season despite their hectic schedule.

The Blues play four games in eight days including their FA Cup clash against Manchester United and the first leg of their Europa League game with Rubin Kazan.

"There are so many games at the moment, and all of them are important," Oscar told Sky Sports News.

"We have Southampton first and then Manchester United 48 hours later. But that is the way it always is at a club like Chelsea. We always have a lot of games, though maybe four in a week - as we have this week - is a bit different.

"We want to win all of the games and we want to do as well as we can in all the competitions. We won't sacrifice one for the others."

Chelsea are third in the Premier League with nine games left to play this season.