Michael Carrick is not afraid of competition for places at Manchester United - in fact the midfielder who cost the Premiership leaders £18 million relishes the challenge.

After signing from Tottenham, has been pleased with his progress in the first half of the season at Old Trafford, but will have to improve further if the expected transfer of Owen Hargreaves from Bayern Munich comes to fruition.

United take a break tomorrow from league duty to entertain Aston Villa in the FA Cup, but will eager to continue the form that has left them lie six points ahead of Chelsea at the top of the table.

Carrick said: "I have made quite a contribution in terms of games played and am happy with that. It has gone pretty well.

"From a personal point of view, there is always more to come and I need to improve. I am working hard to do that."

United took 10 points from a possible 12 over Christmas to keep Chelsea at arms length.

Now they face a different challenge in the cup and one Carrick aims to make strides in.

"When you are playing well and winning, you look forward to playing matches," he said. "It does not matter whether it is a cup tie or a league game — you just want to express yourself.

"We have to be challenging for things at this club.

"The FA Cup is a massive trophy and United have a tremendous record over the years.

"I have played in quarter-finals but that's as close as it has been and something I want to put right."

Carrick has been impressed with striker Henrik Larsson, who is expected to make his debut in the third round match after arriving on loan from Helsingborg.

The former Barcelona and Celtic star will return to Sweden in March to prepare for their league season.

Carrick said: "Henrik has looked good in training. He looks sharp and has settled in well.

"Hopefully he will get a few goals in his time with United. I am sure he will be successful here."

Former West Brom goalkeeper Tomasz Kuszczak will make his fourth appearance of the season as Dutch international Edwin Van der Sar is rested.