S. Sakai

Season	Club	Apps	G	Match	RTG	Season
2025/26	Parceiro NaganoLoan · 19th	1	0	6.87	10	0
2025/26	Kataller Toyama · 17th	11	0	6.81	18	0
2024/25	Thespakusatsu Gunma	22	0	—	—	—
2023/24	Thespakusatsu Gunma	40	1	—	—	—
2022/23	Roasso Kumamoto	9	0	—	—	—
2021/22	Roasso Kumamoto	21	0	—	—	—

Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year. 2 earlier seasons in the full career.

Scout report

Squad depthCentre-forward

S. Sakai is a 30-year-old centre-forward at Kataller Toyama, rated 17.5 overall by Field Insider's model, ranking 165th of 200 on scout potential in the J2 League. An experienced operator, he has been a fringe squad member this season (21.3% of available minutes). Below: strengths, watch-points, market-value outlook and the latest transfer news on Sakai.

Judged on this season alone, Sakai graded 0 — a workmanlike campaign that ranks 30th of 32 of the 32 centre-forwards in the J2 League, on 0 goals and 0 assists in 11 appearances (0 involvements per 90).

We hold a single season for Sakai, 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 18, 26th of 32 of the 32 centre-forwards in the J2 League. At 30 Sakai is into the veteran stage, where the age curve weighs on the projection, and a market index of 1.6 reflects that trajectory.

Current potential26th of 32 centre-forwards · J2 League · 11 apps Current season30th of 32 centre-forwards · J2 League · 11 apps30th-best centre-forward in the J2 League165th in the J2 League · potential26th-highest potential centre-forward in the J2 League

17.5

Ratingi

26th of 32 centre-forwards

Seasoni

below regular-starter level

21.3%

Minutes

limited game time

Goal contrib / 90

low end product

Output in context · Kataller Toyama finished 17th of 20 · a lower-table side

Goals

Assists

G+A

Goals / app

0 goals in 11 appearances (0 per game) — light end product the role wants to see climb.

Watch points

Game time. Only 21.3% of available minutes — needs a settled run to prove the level.
Output. 0 contributions per 90 is light for an attacking role — end product needs to climb.
Level. Rates below a nailed-on top-tier starter on our model.

Outlook

With a Rating of 17.5, Sakai carries the 26th-highest potential of the centre-forwards in the J2 League of 32 — though on just 11 appearances this season, so the standing rests on a small sample. In the final third he profiles as a work-in-progress on end product (0 goal contributions per 90). Experienced and reliable, but the value curve is easing (1× now → 0.7× projected in three years).

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

Per 90 & availability

Minutes played %21.3%

Available fixtures38 of 38

Goals / 900

Assists / 900

Goal contribution / 900

Defensive actions / 901.973

Player flow

Goal involvements0

Cards / 900.123

Value & potential by age

Market valueRating

Solid = now · dashed = projected

The gold line is market value — an index (not €) blending rating, age and league. It climbs through the early 20s, peaks around ages 23–27 (~3), then tapers with age. At 30, Sakai sits on 1.6, past its peak and easing. The blue line is Sakai's projected Rating — 17.5 today — recomputed at each age, so it follows the same rise-and-fall as a career matures and declines. Solid = up to today; dashed = projected.