The league encounter kicks off at 12:30 GMT and will take place at the Broadfield Stadium in West Sussex, where the Reds will look to climb into the top four with a victory.
Last time out, United drew with Leicester City over 90 minutes before losing on penalties in the Continental Cup, and will therefore be looking for a return to winning ways in this, the first of three outings in the space of just seven days.
Here’s all you need to know ahead of Sunday’s meeting…
HOW CAN I FOLLOW THE MATCH?
Tickets can still be purchased from Brighton’s official ticketing site, while the game will be shown live in the UK on BBC Two with coverage starting at 12:15 GMT.