Chelsea manager Jose Mourinho blasted referee Rob Styles for not giving a penalty when Didier Drogba went down under a Ulises de la Cruz challenge.
"The man of the match was the referee because of that decision and he cost us the points," said Mourinho.
"We should have had a penalty and three points. It is ridiculous.
"If a similar situation happens with Thierry Henry or Ruud van Nistelrooy we will see if a similar decision is given. I do not believe it will."
The draw meant Chelsea dropped their first points of the season but Mourinho
claimed it was his side's best performance so far.
"It was a fantastic football match. The opponents were good, they fought
hard, but I think we did our best game over five matches. I think we controlled
the game," said Mourinho.
Man-of-the-match Drogba added: "I thought it was a penalty but it doesn't
matter, the game is finished.
"We played very well, we played like a team and we could have won but we
cannot win every game.
"He touched me but the referee did not think so."
Despite the result Chelsea captain John Terry claimed they were happy with a
"We had a lot of players who played two games but I thought we have done
"We created a lot of chances but this is always a difficult place to come and
get a win but we are pleased with the performance," added Terry.