PLAYER PROFILE / Defensive Midfield
Boris Mamuzah Lum.
Hertha BSC · Germany
TM 1067659 · Current player profileAge today18
Recorded moves4
Peak recorded value€1.00m
Current market value€1.00m
01 / PLAYER DETAILS
At a glance
- Full name
- Boris Chi Mamuzah Lum
- Born
- 02 Oct 2007
- Nationality
- Germany
- Position
- Defensive Midfield
- Preferred foot
- both
- Height
- 175
- Joined current club
- 01 Jul 2025
- Contract expires
- —
02 / THE JOURNEY
Previous clubs
- Hertha BSC U19Last recorded move · 01 Jul 2025
- Hertha BSC U17Last recorded move · 01 Jan 2024
- Hertha BSC YouthLast recorded move · 01 Jan 2023
- 1.FC Union Berlin YouthLast recorded move · 01 Jul 2016
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 |
|---|---|---|---|
| 01 Jun 2026 | 18 | Hertha BSC | €1.00m |
| 16 Dec 2025 | 18 | Hertha BSC | €1.00m |
| 09 Oct 2025 | 18 | Hertha BSC | €1.00m |
| 19 Jun 2025 | 17 | Hertha BSC U19 | €500k |
| 19 Dec 2024 | 17 | Hertha BSC U19 | €500k |
| 30 Sep 2024 | 16 | Hertha BSC U19 | €500k |
| 26 Aug 2024 | 16 | Hertha BSC U19 | €300k |
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 2025 | Hertha BSC U19 | Hertha BSC | Internal move | — |
| 01 Jan 2024 | Hertha BSC U17 | Hertha BSC U19 | Internal move | — |
| 01 Jan 2023 | Hertha BSC Youth | Hertha BSC U17 | Internal move | — |
| 01 Jul 2016 | 1.FC Union Berlin Youth | Hertha BSC Youth | Transfer | Free |
Includes loans, loan returns, internal moves and scheduled transfers. Free means a recorded €0 fee; — means no figure was recorded.