MM
Republic of Ireland·DEF·#25

Mark James McGuinness

SU
Sheffield Utd · Championship
Onside Valuation
€13.3M
+0.0Mthis week
90% confidence · €10.9M–€13.8M
12-month history

Valuation trajectory

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

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

What drives the value

Valuation pillars

On-field
56
Output
31
Minutes
53
League
52
Age curve
100
Comparable value + position

Similar players

AR
Antonio Rüdiger
Real Madrid
€13.2M
WH
Wesley Theodorus Hoedt
Al Shabab
€13.5M
AC
Alexander William Cochrane
Birmingham
€13.0M
RN
Ruan Tressoldi Netto
Atletico-MG
€12.9M
EB
Eric Bertrand Bailly
Oviedo
€14.0M
EC
Eiran Joe Cashin
Blackburn
€14.4M

Key facts

Age24 years
PositionDEF
Foot—
Height194 cm
NationalityRepublic of Ireland
Confidence90%
Value range€10.9M–€13.8M

Season 2025/266.81

25
Apps
1,816
Minutes
1
Goals
0
Assists

Compare