Summary:
The lowest-ranked team in the FA Cup earned a replay against one of the Premier League's biggest names in front of a television audience of more than 20 million.

Full article:
Cambridge United's 0-0 draw on Friday with Manchester United pulled in a high of 7.1 million viewers. The FA Cup fourth-round tie was screened on BBC One, with the League Two side holding the three-time European champions to a draw and earning a replay. A tweet from BBC Sport's communications officer said '7.1m tuned in to @BBCOne last night to see Cambridge v Man Utd £getcarriedaway'. Cambridge United players celebrate after holding Manchester United to a 0-0 draw in the FA Cup on Friday . Radamel Falcao and Co were unable to find a way through against the League Two side and now face a replay . CLICK HERE to read Matt Barlow's report of the goalless draw at the Abbey Stadium. A further tweet from @TVRatingsUK said viewing figures had averaged out at 5.82 million, a 25.3 per cent share of the audience. Those viewers supporting the Premier League giants were left disappointed though as Louis van Gaal's side struggled to break down their supposedly inferior opposition. Despite fielding a strong team that included Angel di Maria, Radamel Falcao and Robin van Persie, Untied failed to score and will now have to try again at Old Trafford. Josh Coulson missed a golden opportunity to give Cambridge United the lead when he headed over . Cambridge supporters who packed into the Abbey Stadium will have a day out at Old Trafford to come .