Will Boyle officially joined Huddersfield Town on a free transfer from Cheltenham Town today in the Terriers' only summer business so far.
At Bramall Lane, the Blades are yet to complete any deals as Paul Heckingbottom prepares for his first full season in charge at Sheffield United.
Both clubs finished in the play-offs last season but were knocked out by Nottingham Forest in the semi-final and final, respectively.
Meanwhile, Middlesbrough missed out on the Championship play-offs last term after finishing seventh and have already got to work on their squad ahead of their first full season under Chris Wilder.
Blackburn Rovers captain Darragh Lenihan was the latest player to arrive at the Riverside after he signed a four-year deal last week.
Ryan Giles has joined the club on a season-long loan from Premier League side Wolves while Boro have also signed Northampton Town goalkeeper Liam Roberts on a two-year contract.
Following the first month of transfer activity in the Championship, we looked at how the bookmakers predict the 2022-23 season to play out and what that could mean for the final table...
Both clubs finished in the play-offs last season but were knocked out by Nottingham Forest in the semi-final and final, respectively.
5. 20th: Bristol City - 22/1
The Robins finished 17th last campaign but the bookmakers are predicting they will finish lower down the table next season. Photo: Getty Images
6. 19th: Blackpool - 22/1
The Tangerines are being tipped to finish slightly lower than their 16th place from last campaign. Photo: Getty Images
7. 18th: Preston North End - 14/1
Bookmakers predict Preston will not improve on their 13th-placed finish from last term. Photo: Getty Images
8. 17th: Hull City - 12/1
Hull will have their eyes set on a higher finish than the one predicted by the bookmakers as Acun Ilicali oversees his first summer window as owner. Photo: Getty Images