But which of his signings have been the most impressive? Our Blades man James Shield has selected his 11 best pieces of business since the Wilder era began – would you agree?
![Brought assurance at the back during League One title winning season when required](https://www.thestar.co.uk/webimg/b25lY21zOmQ5ZTNmZWU1LWRhMWMtNDQ4OC1iNjkxLTUxMzdkNmJmMWUyZTphY2YwYTA3MC0xYmUxLTQ2ZTAtYWI4OC1iOGY4NzFjZjlkMzg=.jpg?crop=3:2&width=640)
1. Simon Moore
Brought assurance at the back during League One title winning season when required Photo: The Star
![A driving midfield force behind two promotions](https://www.thestar.co.uk/webimg/b25lY21zOjhmMTczNDY2LWI1NzgtNDYzMC1hYzBmLWQ4ZjQxYTQxY2YxMjowZjg0NzI5Yy05Yjg0LTQ3ZmUtOGIzMC0zN2IxZDUyYjI4MjA=.jpg?crop=3:2&width=640)
![Again promoted twice and perfect for the overlapping centre-half role](https://www.thestar.co.uk/webimg/b25lY21zOjIwN2Y0OTRjLTEzYjUtNDcwNy04Yjg0LWZhYzEyYWFmNGJlMTpiMjkxODRiNy04NmRjLTQwZGYtYjlmZS0yYzdlNmY0ZTk5YmI=.jpg?crop=3:2&width=640)
3. Jack O’Connell
Again promoted twice and perfect for the overlapping centre-half role Photo: Simon Bellis
![People thought he was past it but helped establish United in the Championship](https://www.thestar.co.uk/webimg/b25lY21zOmY1YzkzOTU1LTg1NTAtNDI2My05ZDBlLWNmN2U1NjViMGY1ZDo4NmI5NTk0ZC1jZmJjLTQ3OTQtYTVjMS01M2M0MDQ5ZDhjMTI=.jpg?crop=3:2&width=640)
4. Leon Clarke
People thought he was past it but helped establish United in the Championship Photo: Robin Parker