Arsenal v Leeds United: Whites up for the FA Cup

Leeds United are ready to "go out fighting" at the Emirates Stadium tomorrow, with manager Simon Grayson warning Arsenal to prepare themselves for a full-blooded FA Cup tie.

United's boss promised ambitious tactics and a genuine attempt to pull off an upset in London, where Leeds and Arsenal will meet in a lunchtime kick-off.

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Leeds created waves in the FA Cup last year, beating Manchester United at Old Trafford in round three and taking Tottenham Hotspur to a replay in round four, and they will attempt to make their presence felt this weekend against one of the country's most respected clubs.

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Arsenal are in contention to win no fewer than four major trophies this season, the Premier League and the Champions League included, and the odds about Leeds scalping the Gunners are as long as 12-1 with tomorrow's tie looming.

Grayson said Arsene Wenger's strongest line-up was "the best team in the world on their day" but he will give his players their usual freedom to attack Arsenal – a strategy he claimed would also provide the best form of defence.

"We won't do anything differently to what we do every Saturday or Tuesday in the Championship," Grayson said.

"I'm not going to sit back and invite pressure or let Arsenal take us to the cleaners.

"If we lose then we're going to go out fighting, playing in the manner that I want us to play. If we perform to the best of our ability and Arsenal under-perform then we might have a chance. But bookmakers don't get it wrong very often and we're 12-1 to win down there.

"When they're on form, they're the best team in the world.

"They're a joy to watch. You need luck in any game and especially against top sides but we'll rely on our ability as well.

"A lot of things need to go our way to achieve a result like last year but I'll say the same to my players – have no regrets and be able to look in the mirror the next morning without any doubts. Enjoy it as well because 90 per cent of these players haven't played at the Emirates. Ninety per cent might not play there again."

Tomorrow's televised fixture could earn Leeds in excess of 500,000, including a broadcast fee of 144,000, but Grayson underlined his priorities by admitting he would value a victory in next weekend's Championship game with Scunthorpe United over a famous result at Arsenal.

Leeds took three points from four league matches after Christmas, dropping from second place to fifth in their division.

Their unbeaten run through December, however, has earned Grayson a nomination for the Championship's manager of the month award.

Grayson said: "If you were to ask me which is more important – this game or Scunthorpe next week – then it's Scunthorpe.

"We can't lose this weekend because no-one expects us to win. Scunthorpe is far more important. But if someone offered me wins in both games then I'd certainly take that."