Chelsea midfielder Marko Marin thinks the Blues are good enough to win the Premier League and Champions League, and is backing his side to score plenty of goals this season.

Fernando Torres was back on the scoresheet against Wolves, and Chelsea assistant manager Eddie Newton revealed the Spaniard is feeling 'a lot sharper' this season.

Torres already has two Premier League goals, but after failing to net against QPR or Stoke, it was a relief to find the net again for the Stamford Bridge striker.

And Marin believes the new look Chelsea attack will provide the goals to fire Chelsea to a famous Premier League and Champions League double.

"If you are to win the Premier League and Champions League, you need a lot of quality players," said Marin.

"Chelsea have changed a lot since last season and now we have more attractive and offensive players.

"We hope that there are a lot of goals in this team because then it is more difficult for the other teams to play against us."

The 23-year-old German joined the Stamford Bridge side from Werder Bremen for £7m in July, and made his debut in Chelsea's 6-0 victory over Wolves on Tuesday night.

Next up for top of the table Chelsea is a trip to the Emirates Stadium to face Arsenal, and Marin thinks the Gunners are yet to face a side as good as Chelsea this season.

"They have a good team but they lost Van Persie, who was the best scorer last season," said Marin.

"I'm not sure they have played against a good team like us."

Marin could face fellow German internationals Lukas Podolski and Per Mertesacker on Saturday, and Podolski in particular has enjoyed an excellent start to the season.

But the Chelsea midfielder is backing the Blues defence to keep Podolski at bay at the weekend.

"At the beginning it was new for him, but now he is doing very well," Marin said. Will Lukas be a threat? I think we have a very good defence. Our right-back Branislav Ivanovic will do very well.

"I will be very difficult for Lukas against him. I am confident that we can keep Podolski quiet."

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