The 3pm BST kick-off will see Matt Beard’s side take on second-place United, with only goal difference separating them in the FA Championship table.
Reds hoping to make the trip across to Sheffield are reminded that all tickets for the game are priced at just £1.
They are available to purchase from the ticket office in advance on 0114 2537 200 (option 1) or online in advance here.
Tickets will also be available to buy on the day from 9am from the main ticket office on Cherry Street. Please note, Bramall Lane is a cashless stadium.