Chelsea boss Jose Mourinho hailed Sam AllardyceWest Ham United after last night's win.
Mourinho was pleased with the way his players fought for their win, maintaining a five-point advantage over Manchester City.
"The way West Ham play, nobody is better than them. They are the best at the way they play.
"It is not just to play football, the pressure, the tension and the emotion, my players were fantastic. We couldn't kill the game and these three points are massive for us.
"What I see is that, in every title race, you have different matches to play. Matches where you need your quality to win. Others where you need luck to win."