Cameron Jerome scored for the home side after a goalmouth scramble before Scott Dann's own goal put the Reds back on terms. Darren Fletcher was sent off after 84 minutes for a second bookable offence.
Striker Mame Biram Diouf came on for his United debut with 10 minutes to go but the Reds, who lacked spark throughout, could not grab a winner.
The draw leaves United a point behind Premier League leaders Chelsea having played a game more.
Full report to follow.
Source: Manchester Evening News