Chris Wilder once again heaped praise on his players following Saturday's home victory over Charlton Athletic.
Goals from Jack O'Connell and Daniel Lafferty saw the Blades secure a 13th win at Bramall Lane this term, despite Ricky Holmes putting the Addicks in front inside three minutes.
Wilder admitted his side started slowly but felt they grew into the game and demonstrated the mental resolve to turn things round.
The manager commented: "We didn't have a great start, but the players didn't panic from giving Charlton a head start and they once again showed their desire and determination to get a result.
"We started poorly, took risks and got punished. We were a bit off it early on, but gradually clawed our way into the game and we didn't want half-time to come.
"In second-half, we played some really nice football and ideally we would have got that third to make the game safe, but we made sure we didn't give away what we'd had to work hard to get and we deserved the three points.
"These players are proper players, players with the right attitude and the Sheffield United mentality. When the tough times come then stand together as a group and come out the other side."
Wilder added: "We are 31 points ahead of Charlton in the table which is ridiculous really because they have some very talented players in every position, but we're so much better off than them because we have players who consistently turn up and perform to their best.
"And if we don't play to our best we scrap and fight to make sure we don't lose games of football. This one is a big result for us against such a good side and we're delighted."