Manchester United hosts Chelsea on Sunday in a match likely to decide the outcome of the Premier League title, with the league leaders in inconsistent form and the defending champions on a roll.
United could effectively clinch a record 19th English championship with a victory but manager Alex Ferguson must decide whether to revert to the lineup that lost 1-0 at third-place Arsenal last weekend or trust in the players that reached the Champions League final on Wednesday.
A team showing eight changes outclassed Schalke 4-1 to reach a third Champions League final in four seasons, but Ferguson is still likely to give his first-choice players a chance to show that defeat to Arsenal was an aberration rather than a turning point in the title race.
"We lacked the same intensity as we normally do against Arsenal at the weekend," United defender John O'Shea said. "We have already played Chelsea at home in the Champions League, so we know we will have to play well. "Chelsea have hit a bit of form but we know we are a good team at home." Arsenal is at Stoke on Sunday and still has an outside chance of winning the title if United fails to win.