Harry Maguire believes United's unbeaten run this season is down togetherness and organisation.
The Blades, who hit the League One summit following Tuesday's stalemate at Swindon Town, registered their eighth league clean sheet of the season at the County Ground and Maguire believes those foundations at the back have been instrumental to United's impressive start.
He remarked: "As the season has progressed we have become more solid and hopefully that will continue.
"Tony (McMahon) and Matt (Hill) have added some valuable experience to the defence.
"Everytime we step out on to the pitch we are confident as a team of keeping a clean sheet and that can only help.
"Swindon played very direct, everything from the goalkeeper and defence went long but we dealt with the first and more importantly the second balls really well."
George Long impressed again in Wiltshire and Maguire is of the opinion that the 19-year-old is at the beginning of a successful career.
The Sheffield born centre-half insisted all thoughts are now on this weekend's trip to stadium:mk rather than admiring the league table:
"George is a great talent and a really focused lad. I am sure he has a great future ahead of him and he will be benefiting massively from this experience.
"He is reliable and has carried on the good work of Mark (Howard) from the early part of the season.
"We aren't looking at the table; we are just focusing on another tough away game at the MK Dons on Saturday."