Manchester United could revert to the 4-5-1 system that has served so well away from home in recent weeks when the champions travel to Villa Park tonight.
Sir Alex has utilised the system, with Wayne Rooney spearheading the attack, to great effect in the Carling Cup games against Manchester City and the league clash with Arsenal.

Arsenal vs. Liverpool FC // Aston Villa (0) vs. (0) Manchester United // West Ham United vs. Birmingham City // Wolverhampton Wanderers vs. Tottenham Hotspur // Blackburn Rovers (0) vs. (0) Hull City // Everton FC (0) vs. (0) Chelsea