Home end tickets for Bolton Wanderers against United on Saturday are still on general on sale.
Tickets will be sold to those with a purchase history of buying tickets from Bolton.
It is a category A game, so adult tickets cost from £32 to £37.
The away fans will be in the South Stand.
You can buy tickets from 09:00 by calling 0844 971 2932 or in person at the Reebok Stadium.