Van Persie rescues Manchester United at West Ham; Tevez fires City

Robin van Persie grabbed an equalizer as Manchester United drew 2-2 with West Ham

(CNN) -- Manchester United edged closer to a record 20th English Premier League title despite having to rely on a late equalizer from Robin van Persie to rescue a draw at West Ham.

The Dutch striker looked offside as he finished off from close range in a match that left both managers unhappy with the officials.

Manchester City's victory over lowly Wigan means they reduced the gap between themselves and United to 13 points but Alex Ferguson's side can still win the title as early as Monday if results go their way.

In Wednesday's other English top flight game Chelsea won 3-0 at local rivals Fulham to move back into third place in the table and edge ahead of London rivals Arsenal and Tottenham in the battle for the European Champions League places.

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At Upton Park, Manchester United were put under pressure right from the start by West Ham, who took the lead after 16 when Ricardo Vaz Te nodded home after being set up by England striker Andy Carroll.