| From | Team | Fee | Apps | Goals | To | |
|---|---|---|---|---|---|---|
| Oxford United | - | (Player) | ||||
| 1991 | Cambridge United | - | 63 | 9 | 1994 | (Player) |
| 1994 | Everton | £200,000 | 4 | 0 | 1995 | (Player) |
| 1995 | Blackpool | Loan | 17 | 0 | 1995 | (On loan) |
| 1995 | Derby County | £300,000 | 105 | 3 | 1998 | (Player) |
| 1998 | Birmingham City | £1,000,000 | 86 | 6 | 2000 | (Player) |
| 2000 | Leicester City | £3,000,000 | 49 | 2 | 2002 | (Player) |
| 2002 | Charlton Athletic | £2,500,000 | 13 | 1 | 2004 | (Player) |
| 2005 | Burton Albion | - | 43 | 1 | 2007 | (Player) |
| 2005 | Burton Albion | - | 2007 | (Player) | ||
| 2012 | Burton Albion | - | 2014 | (Manager) | ||
| 2012 | Burton Albion | - | 2012 | (Caretaker Manager) | ||
| 2014 | Birmingham City | - | 2016 | (Manager) | ||
| 2017 | Derby County | - | 2018 | (Manager) | ||
| 2018 | Stoke City | - | 2018 | (Manager) | ||
| 2019 | Millwall | - | 2023 | (Manager) | ||
| 2024 | Oxford United | - | 2025 | (Manager) | ||
| 2026 | Leicester City | - | Current | (Manager) |