The Blades saw there home fixture with Brentford postponed due to FA Cup involvemements whilst a waterlogged pitch prevented Bramall Lane from hosting last nights scheduled fixture with Peterborough United.
United will now face Brentford on Wednesday, 12 February (Kiick-Off: 7.45pm) and Peterborough on Tuesday, 4 March (7.30pm) - both at Bramall Lane.
Anyone wishing to purchase tickets for this match should visit www.sufc.co.uk and visit the tickets section of the website.