Seiya Maikuma

Maikuma's current-season form is level with last season (Season 1→1), while his Rating held around 37. His peak season for form remains 2024/25 (Season 47).

Domestic career

Season	Club	Apps	G	A	Match	RTG	Season
2026/27	AZ Alkmaar · 1st	1	0	0	6.8	37	1
2025/26	AZ Alkmaar · 7th	7	0	0	6.73	37	1
2024/25	AZ Alkmaar · 5th	31	0	2	7.2	61	47
2024/25	Cerezo Osaka · 10th	15	0	1	7.11	42	16
2023/24	Cerezo Osaka · 9th	30	1	2	6.88	53	41
2022/23	Cerezo Osaka · 5th	28	3	2	6.83	53	24

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

Japan · international

Side	Apps	G
Japan	9	0

Career caps & goals — tournament breakdown in the full career.

Scout report

Squad depthBall-winning Central defender

S. Maikuma is a 28-year-old central defender at AZ Alkmaar, rated 36.9 overall by Field Insider's model. An experienced operator, he has been a fringe squad member this season (5.1% of available minutes). His defensive output reads 4.07 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Maikuma.

On the season, Maikuma graded 1 for current form (age-blind), on 0 clean sheets and 4.065 defensive actions per 90.

Year-on-year, that's broadly in line with last season (Season 1 → 1). Over the 5 seasons on record his form has drifted down, peaking in 2024/25.

On long-term talent our Rating reads 37. At 28 Maikuma is in his prime years, and a market index of 10.2 reflects that trajectory.

From the career report

Read the full career report →

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

Peak: 2024/25Trending upBreakout: 2023/24Injury-hit 2025/26

36.9

Ratingi

developing / rotation level

1.3

Seasoni

below regular-starter level

5.1%

Minutes

limited game time

4.07

Def. actions / 90

solid defensive volume

Output in context · AZ Alkmaar finished 7th of 18 · a mid-table side

Apps

4.07

Def. / 90

Tackles

Interceptions

Clean sheets

4.07 tackles, blocks & interceptions per 90 — solid defensive volume across 7 appearances.

Strengths

Defensive volume. 4.07 tackles, blocks & interceptions per 90 — does the unseen work.

Watch points

Game time. Only 5.1% of available minutes — needs a settled run to prove the level.
Level. Rates below a nailed-on top-tier starter on our model.

Outlook

Rated 36.9 overall — developing / rotation level. Defensively he reads as solid defensive volume (4.07 tackles, blocks & interceptions per 90). Experienced and reliable, but the value curve is easing (1.2× now → 0.9× projected in three years).

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

Per 90 & availability

Minutes played %5.1%

Available fixtures34 of 34

Goals / 900

Assists / 900

Goal contribution / 900

Defensive actions / 904.065

Player flow

Goal involvements0

Cards / 900

Season-by-season progression

Rating (potential)Season (form)

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 (~17), then tapers with age. At 28, Maikuma sits on 10.2, past its peak and easing. The blue line is Maikuma's projected Rating — 36.9 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.

Transfer history

AZ AlkmaarJun 2024 – now

Cerezo OsakaJan 2022 – Jun 2024Free

V-varen Nagasakiuntil Jan 2022

About S. Maikuma

Seiya Maikuma is a 28-year-old centre-back who plays for AZ Alkmaar, born on October 16, 1997 in Nagasaki, standing 179 cm tall. He is from Japan. AZ Alkmaar currently sit 1st of 18 in the Eredivisie.

This season

In the current season, S. Maikuma has made 1 appearances with 0 goals and 0 assists across 18 minutes, averaging a 6.8 match rating over his last 2 rated games.

Recent matches

August 22, 2026: 2-0 win away at Fortuna Sittard (9 minutes, 6.9 rating)
August 15, 2026: 4-1 win away at Utrecht (9 minutes, 6.7 rating)

S. Maikuma's next match is on August 29, 2026, when AZ Alkmaar face GO Ahead Eagles at home in the Eredivisie.

Field Insider's view

Field Insider currently rates S. Maikuma at 36.9 with a Season form score of 1.3. See the full scout report for strengths, watch-points and the market-value outlook.

Career

Across 7 recorded seasons, S. Maikuma has totalled 186 club appearances with 10 goals and 7 assists for 3 different clubs. His busiest campaign came in 2021/22, with 38 appearances for V-varen Nagasaki.

S. Maikuma's career has also included time at Cerezo Osaka and V-varen Nagasaki.

On the international stage, S. Maikuma has represented Japan — 9 caps in our records.

Transfer news

No transfer news found for this player.