A hard-fought game heading for a stalemate ended in sensational fashion as the never-say-die Reds conjured up an old school, late, headline-hitting climax.
Rashford had come on as a second-half sub and was on the end of a move seconds from the final whistle, which saw him tap in at the far post to convert an Edinson Cavani cross and take the roof off Old Trafford.
FIRST HALF - REDS DANGEROUS BUT NO BREAKTHROUGH
Buoyed by the second-half display and ultimate 3-1 victory at Brentford last Wednesday, the Reds were on it from kick-off against the Hammers.