The second Steel City derby of the season in January will now be televised live on Sky Sports.
Having secured the bragging rights at Hillsborough in September with a memorable 4-2 win, Sky will be now be in attendance at Bramall Lane on Friday 12th Janaury, kick-off 7.45pm as the Blades look to complete the double over Wednesday.
Meanwhile, the Blades trip to Aston Villa in December has also been selected by Sky for live broadcast.
The game at Villa Park, will now kick-off at 5.30pm on Saturday 23rd December, not 3pm as originally advertised.
This will be United's second pre-Christmas change, with the home fixture against Bristol City being televised on Friday 8th December, kick-off 7.45pm.