BK
Netherlands·DEF·#4

Boy Kemper

NB
NAC Breda · Eredivisie
Onside Valuation
€27.9M
-0.5Mthis week
90% confidence · €26.1M–€33.2M
12-month history

Valuation trajectory

29
Jul
29
Aug
31
Sep
32
Oct
30
Nov
28
Dec
29
Jan
29
Feb
30
Mar
32
Apr
31
May
28
Jun

Onside model estimate. Values are derived from the methodology, not a market quote.

What drives the value

Valuation pillars

On-field
57
Output
75
Minutes
82
League
62
Age curve
100
Comparable value + position

Similar players

CK
Christoph Klarer
Birmingham
€28.3M
MC
Max George Cleworth
Wrexham
€28.3M
JN
Jeremy Mpobi Ngakia
Watford
€27.4M
ME
Milan Fabrizio van Ewijk
Coventry
€27.2M
LK
Liam Kitching
Coventry
€29.2M
DO
Dara Joseph O'Shea
Ipswich
€29.3M

Key facts

Age26 years
PositionDEF
Foot—
Height185 cm
NationalityNetherlands
Confidence90%
Value range€26.1M–€33.2M

Season 2025/266.83

32
Apps
2,821
Minutes
5
Goals
3
Assists

Compare