Age today24
Recorded moves8
Peak recorded value€200k
Current market value—
01 / PLAYER DETAILS
At a glance
- Full name
- Hayden Kai Muller
- Born
- 07 Feb 2002
- Nationality
- England
- Position
- Centre-Back
- Preferred foot
- right
- Height
- 193
- Joined current club
- 01 Jul 2026
- Contract expires
- 30 Jun 2028
02 / THE JOURNEY
Previous clubs
- Sutton UnitedLast recorded move · 01 Jul 2026
- Salisbury FCLast recorded move · 15 Dec 2025
- Dundalk FCLast recorded move · 09 Jul 2024
- Millwall FCLast recorded move · 13 Jan 2023
- St. Johnstone FCLast recorded move · 15 Jan 2022
- Millwall FC U18Last recorded move · 01 Jul 2020
Clubs from completed, dated transfers, most recent first. Repeat spells are listed in the full transfer history.
03 / VALUE OVER TIME
Market value history
| Valuation date | Age then | Club at the time | Market value |
|---|---|---|---|
| 09 Jul 2024 | 22 | Sutton United | €0 |
| 20 Jun 2024 | 22 | Dundalk FC | €150k |
| 20 Dec 2023 | 21 | Dundalk FC | €200k |
| 22 Jun 2023 | 21 | Dundalk FC | €200k |
| 27 Oct 2022 | 20 | Millwall FC | €200k |
| 31 Dec 2021 | 19 | St. Johnstone FC | €200k |
| 10 Mar 2021 | 19 | Millwall FC | €50k |
Each row is a dated valuation. The bar shows its share of the player’s peak recorded value. — means not recorded.
04 / EVERY MOVE
Full transfer history
| Date | From | To | Move | Fee |
|---|---|---|---|---|
| 01 Jul 2026 | Sutton United | Yeovil Town | Transfer | Free |
| 15 Dec 2025 | Salisbury FC | Sutton United | Loan return | — End of loan |
| 15 Aug 2025 | Sutton United | Salisbury FC | Loan | — loan transfer |
| 09 Jul 2024 | Dundalk FC | Sutton United | Transfer | — ? |
| 13 Jan 2023 | Millwall FC | Dundalk FC | Transfer | — ? |
| 15 Jan 2022 | St. Johnstone FC | Millwall FC | Loan return | — End of loan |
| 01 Jul 2021 | Millwall FC | St. Johnstone FC | Loan | — loan transfer |
| 01 Jul 2020 | Millwall FC U18 | Millwall FC | Internal move | — |
Includes loans, loan returns, internal moves and scheduled transfers. Free means a recorded €0 fee; — means no figure was recorded.