Field Insider
GoalkeeperJapanJupiler Pro League

Leo Kokubo

Solid contributorSt. Truiden · 25 yrsStarter
55.6
2.5%
Ratingi
21.6
7.5%
Seasoni
17.7
Valuei

based on the 2025/26 season · updated 25 Aug 2026

Profile

Full nameLeo Brian Kokubo
PositionGoalkeeper
NationalityJapan
Age25
Date of birth23 Jan 2001
BirthplaceChiba
Height193 cm
Shirt number#16
ClubSt. Truiden
More about L. Kokubo →
Goalkeeper

Season stats

Full career & schedule →
7
Appearances
1
Clean sheets
14%
CS rate
share of apps kept clean
630
Minutes

Domestic-league season · St. Truiden.

Performance data · by competition

CompetitionAppsMinMatch
Jupiler Pro League1906.6

Scout report

Solid contributorGoalkeeper

L. Kokubo is a 25-year-old goalkeeper at St. Truiden, rated 55.9 overall by Field Insider's model, ranking 23rd of 113 on scout potential in the Jupiler Pro League. In his prime years, he has been an ever-present this season (87.5% of available minutes). Below: strengths, watch-points, market-value outlook and the latest transfer news on Kokubo.

Judged on this season alone, Kokubo graded 20 — a strong campaign that ranks top 24% of the 25 goalkeepers in the Jupiler Pro League, on 9 clean sheets across 35 appearances.

Year-on-year, that's broadly in line with last season (Season 20 → 22). Across the 5 seasons we hold, it's his best return yet.

On long-term talent our Rating reads 56, top 20% of the 25 goalkeepers in the Jupiler Pro League. At 25 Kokubo is in his prime years, and a market index of 17.7 reflects that trajectory.

From the career report
Read the full career report →

A career still climbing — Kokubo is at his peak right now, and the curve hasn't flattened.

Peak: 2025/26Trending upRemarkably consistentStepped up 2024/25
Current potentialTop 20% goalkeepers · Jupiler Pro LeagueCurrent seasonTop 24% goalkeepers · Jupiler Pro League6th-best goalkeeper in the Jupiler Pro League23rd in the Jupiler Pro League · potential5th-highest potential goalkeeper in the Jupiler Pro League
55.9
Ratingi
5th of 25 goalkeepers
20.1
Seasoni
below regular-starter level
87.5%
Minutes
near ever-present
0.11
Def. actions / 90
light defensive volume

Output in context · St. Truiden finished 11th of 18 · a mid-table side

35
Apps
9
Clean sheets
26%
CS rate
87.5%
Minutes

9 clean sheets in 35 appearances (26% of games).

Strengths

  • Availability. On the pitch for 87.5% of available minutes — a dependable presence in the XI.

Watch points

  • Few red flags. No obvious weaknesses in the current-season profile — consistency is the next test.

Outlook

With a Rating of 55.9, Kokubo carries the 5th-highest potential of the goalkeepers in the Jupiler Pro League (top 20%). A near ever-present keeper carrying the gloves this season. Approaching peak years; value is still building (price multiplier 2×) with the best seasons likely ahead.

Generated from Field Insider's rating model · AI-written analysis to follow.

Season statistics

Bars = where he ranks among goalkeepers in the Jupiler Pro League with 600+ minutes this season.

Goalkeeping

Clean sheets9

Yellow/red cards

Yellow cards4
Red cards0

Transfer news

No transfer news found for this player.