Chelsea captain John Terry insists the title is not yet sewn up.
With just eight games remaining Chelsea are hot favourites to take the title but Terry is urging caution to those who believe their name is already on the trophy.
"It was a tough game, we knew it was going to be difficult," he said.
"They made it difficult last year. First half they were very tight and they are a very well organised team, it was tough but we ground it out.
"It is the old cliche but it is ticking a box then moving on.
"We have a massive game away at QPR, a big London derby for us. We just need to keep putting three points on the board."