SB
Belgium·DEF·#23

Sebastiaan Bornauw

LE
Leeds · Premier League
Onside Valuation
€12.8M
+0.4Mthis week
73% confidence · €9.5M–€14.3M
12-month history

Valuation trajectory

12
Jul
12
Aug
11
Sep
11
Oct
13
Nov
13
Dec
12
Jan
12
Feb
11
Mar
11
Apr
12
May
13
Jun

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

What drives the value

Valuation pillars

On-field
53
Output
20
Minutes
13
League
100
Age curve
100
Comparable value + position

Similar players

RN
Ruan Tressoldi Netto
Atletico-MG
€12.9M
AC
Alexander William Cochrane
Birmingham
€13.0M
AR
Antonio Rüdiger
Real Madrid
€13.2M
WH
Wesley Theodorus Hoedt
Al Shabab
€13.5M
EB
Eric Bertrand Bailly
Oviedo
€14.0M
KK
Kaine Kesler-Hayden
Coventry
€11.4M

Key facts

Age26 years
PositionDEF
Foot—
Height191 cm
NationalityBelgium
Confidence73%
Value range€9.5M–€14.3M

Season 2025/266.70

12
Apps
442
Minutes
0
Goals
0
Assists

Compare