Field Insider

ratings updated 31 Aug 2026

Profile

PositionCentral midfielder
Nationality
Age18
Shirt number#42
ClubFC Seoul
Central midfielderalso played FWD
27
Appearances
0
Goals
1
Assists
748
Minutes

Domestic-league season · FC Seoul.

Performance data · by competition

CompetitionAppsGAMinMatch
K League 118015076.51

Scout report

★ Standout performer

All K League 1 standouts →

First senior season on record — and already on the pitch for 28% of FC Seoul's available minutes, one of the top game-time debuts in the K League 1 this season.

Elite prospectCentral midfielder

J. Son is a 18-year-old central midfielder at FC Seoul, rated 50.3 overall by Field Insider's model, ranking 1st of 136 on scout potential in the K League 1 and 27th of 149 U-19 players tracked. A teenage prospect, he has been a fringe squad member this season (27.7% of available minutes). His defensive output reads 2.29 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Son.

Judged on this season alone, Son graded 10 — a workmanlike campaign that ranks 18th of 36 of the 36 central midfielders in the K League 1, on 0 goals, 1 assist and 2.286 defensive actions per 90.

We hold a single season for Son, so there's no year-on-year comparison to draw yet — the read above is this campaign only.

On long-term talent our Rating reads 50, top 3% of the 36 central midfielders in the K League 1. At 18 Son is still climbing toward his ceiling, and a market index of 9.2 reflects that trajectory.

50.3
Ratingi
1st of 36 central midfielders
9.6
Seasoni
below regular-starter level
27.7%
Minutes
limited game time
2.29
Def. actions / 90
moderate defensive volume

Output in context · FC Seoul finished 1st of 12 · a title-challenging side

27
Apps
2.29
Def. / 90
14
Tackles
4
Interceptions
4
Clean sheets

2.29 tackles, blocks & interceptions per 90 — moderate defensive volume, with 4 clean sheets across 27 appearances. Behind a title-challenging side (1st of 12) the side controls more games, so the defensive load is lighter — the value sits as much in composure and ball progression as in raw volume. Going forward he chipped in 0 goals and 1 assist — a useful bonus from the back.

Strengths

  • Ceiling. High potential at just 18 — room to grow into a bigger role.

Watch points

  • Game time. Only 27.7% of available minutes — needs a settled run to prove the level.

Outlook

With a Rating of 50.3, Son carries the 1st-highest potential of the central midfielders in the K League 1 of 36 — though on just 27 appearances this season, so the standing rests on a small sample. Defensively he reads as moderate defensive volume (2.29 tackles, blocks & interceptions per 90). At 18 the trajectory points up — potential sits near its ceiling (100/100) and market value should climb as minutes and output follow. With this floor already at 18, the ceiling gets tested by a step up in level — one to track.

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

Season statistics

Bars = where he ranks among central midfielders in the K League 1 with 600+ minutes this season.

Shooting

Goals0
Shots on target1
Shots5

Passing

Assists1
Chances created5
Passes146
Pass accuracy81%

Possession

Successful dribbles14
Dribble success73.7%
Duels won39
Duels won %48.8%
Fouls won7

Defending

Tackles14
Interceptions4
Blocks1
Fouls committed13

Yellow/red cards

Yellow cards1
Red cards1

Transfer news

No transfer news found for this player.