Although the Blades moved three points clear of the drop zone thanks to a 1-0 victory over Watford at the weekend, they could still be caught by the Hammers and sent down in the last two games of the season.

Warnock is angry that the Hammers have only been fined for illegally signing Argentinian duo Carlos Tevez and Javier Mascherano.

In an outspoken attack, Warnock accused those running the English game of both favouritism and double standards.

"If it had been Sheffield United, Watford or Wigan – I think there would have been points deducted," he said. "Everybody knows that. And I think they (the Premier League) have set a rod for their own back. You can basically do what you want now and not get any points deducted."

Warnock points to the fact that one of his former clubs, Bury, were kicked out of a competition, the FA Cup, earlier this season for fielding an illegible player.

"Kicked out of the FA Cup for nothing. For fielding a player when they had made a mistake," he said. "I feel sorry for Bury. They obviously don't employ the right lawyers."

The Hammers boosted their hopes of survival this weekend by securing a 3-0 win at Wigan Athletic but, significantly, the Blades climbed above Wigan and Fulham and remain firmly in control of their own destiny.

Warnock said: "People talk about West Ham (catching up) but I just think it is down to us. We have got two games.

"I sat the lads down after all the celebrations on Saturday to remind them that we still have two tough games. You've only got to look what happened with Sheffield United the last time we were relegated to know there is nothing ever safe in this world."

The Blades were relegated at Chelsea on the final day of the 1993-94 season and spent 12 years trying to get back in the top flight.

If results go their way, the Blades could be safe next weekend after they have played Martin O'Neill's Aston Villa at Villa Park.

"It would be nice to think that will be the case but I wouldn't put any money on it," said Warnock. "We don't do anything straight-forward at Sheffield United.

"It'll be hard at Villa Park and Martin will want to win their last home match, and then we have Wigan, so anything could happen.

"I know (Wigan manager) Paul Jewell didn't expect to be in this situation because they've got a good side but I think next week they've got a great chance against Middlesbrough. And let's not forget Fulham. It's really open with West Ham winning."