Cambridge United manager Richard Money and chairman Dave Doggett are stunned as the League Two club, the lowest ranked team left in the FA Cup, draw Manchester United in the fourth round.
BBC Look East filmed the pair's reaction, along with former chairman Paul Barry and supporters, in the BBC Radio Cambridgeshire studio.
Manchester United, 2-0 winners at Yeovil on Sunday, have won the FA Cup a joint-record 11 times.
Cambridge, who are 14th in League Two, beat Luton 2-1 at the Abbey Stadium in the third round.
Manchester United and Cambridge last met in the League Cup in 1991, when the Reds won the two-legged tie 4-1 on aggregate.