While much of the Blades’ early success this campaign has been down to manager Chris Wilder’s impressive tactics, the squad has also more than held its own against some of the top sides in the league.
In fact, they’ve beaten Arsenal and Everton so far in 2019/20, and have also held the likes of Chelsea and Tottenham Hotspur to a draw.
Therefore, it will be far from an easy task on Sunday when United travel to Bramall Lane. Here, we’ve picked out four men who could be key for Sheffield United's chances of success…
SIMON MOORE
Moore is in line for his first-ever Premier League appearance in the absence of regular goalkeeper Dean Henderson, with the United loanee ineligible to play against his parent club.