Jose Mourinho joked he struggles to remember who he has picked in goal as there is so little to choose between his two keepers after another shutout at West Ham tonight.

Petr Cech kept a clean sheet in Sunday’s Capital One Cup final victory over Tottenham and Thibaut Courtois picked up where he left off against the Hammers at Upton Park.

Eden Hazard got the only goal of game to maintain Chelsea’s lead over Manchester City at the top of the Premier League and Mourinho says he needed his defence to hold firm.

Chance: West Ham's Diafra Sakho shoots

The Blues manager explained: “This was a big match . Probably some people will say no, but this was a big match for people with the mental strength and physicality to play this style of football.

“In this style they are the best - no doubt - and because they are the best lots of big teams had problems here.

“We try to play, we try to score and we had big chances to kill the game.

It's there! Eden Hazard celebrates after scoring the first goal for Chelsea

"When I saw Ramires hit the post , wow, the feeling was not the best but at the same time I was confident my people at the back could cope and the goalkeeper was once again amazing.

“I forget their names. I don’t know if it was Petr in goal or Thibaut in goal. All I know is the big guy in the orange shirt is always phenomenal and the team fought to the limit. Very important three points.

“It is not the best game to play after a final. After a final you want a relax game.

Stop: Chelsea's Thibaut Courtois makes a save

"This was the worst game you could have. Long balls, direct, but everyone gave absolutely everything so I’m so happy with the points.”

The Hammers now have one win in 11 league games to slip further down the standings - and Sam Allardyce appears to be running out of time to convince his bosses to extend his contract, which expires at the end of the season.

Chelsea's players, meanwhile, have two days off before resuming preparations for next week's Champions League last-16 second leg with Paris St Germain.