Chris Wilder expects a 'tight game' at the University of Bolton Stadium on Saturday afternoon.
The Trotters have picked up three wins and a draw from their first four matches and the Blades boss acknowledges his counterpart Phil Parkinson will be more than happy.
Looking ahead, he remarked: "Bolton have had a very good start, they are third in the table and to do that you have to win games, they'll be delighted.
"We always know it will be a tight game against them, they all have been going right back to my first game.
"We've had mixed results, so I expect yet another tight game and they will obviously be full of confidence."
On the possibility of facing a familiar face in Lancashire, Wilder added: "Clayton (Donaldson) did well for us, he gave us something we didn't have at the time, but unfortunately had a couple of injury issues and we just went a different direction.
"He was a fantastic kid and popular in the changing room, he had a dream start scoring twice at Sunderland and he really pushed the likes of Billy and Leon to score and play well.
"He might have thought and expected it to go better for him, but I always thought it could be a short-term signing for us and it was a decent deal. I'm not surprised he's got another club and we shook hands and wished him well."