Oli McBurnie had the best chances for the Blades, while Morgan Gibbs- White saw a shot deflected over the bar.
The Tigers had some decent opportunities themselves, with the impressive Keane Lewis-Potter looking dangerous down the left flank.
Ultimately both sides had to settle for a point – City’s first in four matches – with United back in action here at Bramall Lane this weekend against Swansea City.
Here’s how we rated United’s players…
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2. George Baldock 5
Back on the right with Bogle injured, Baldock seemed a frustrated man as he took issue with the referee, linesman and Lewis-Potter over the space of the 90 minutes. Booked for a clumsy foul just outside the box Photo: Simon Bellis
3. Chris Basham 5
Given a real tough first 45 minutes by the very lively Lewis-Potter but improved in the second half as the Hull man's influence diminished Photo: Tim Goode
4. John Egan 5.5
Given a potentially tough test against Forss and then Eaves, but handled them with ease. May have fancied himself to score a header but couldn't get an effort past Ingram Photo: Simon Bellis