The U's head up to Ewood Park for the first time in 31 years to face Blackburn Rovers in the Emirates FA Cup Third Round...
Neil Harris' men will be aiming to pull off an upset by progressing past their Championship opponents and writing another chapter in the Club's storied FA Cup history.
Over 1,600 fans are making the jounrey north - if you haven't got a ticket, supporters can buy from the Away Ticket Office at Ewood Park which opens at 1pm.
Get ready for the game with our Match Preview and watch Neil Harris and Jack Stevens' pre-match press conferences.
If you can't make it to the game, supporters in the UK can listen to the game live on BBC Radio Cambridgeshire, whilst oversees fans in 36 countries can watch the game live.
However you choose to get behind the U's this afternoon, keep it United in Endeavour.