Familia-Castillo's current-season form is level with last season (Season 20→20), while his Rating held around 49. His peak season for form remains 2025/26 (Season 20).

Domestic career

Season	Club	Apps	G	A	Match	RTG	Season
2026/27	Waalwijk · 7th	7	1	3	7.25	49	20
2025/26	Waalwijk · 6th	33	2	7	7.2	49	20
2024/25	Waalwijk · 17th	26	0	3	6.88	62	13
2021/22	CharltonLoan · 13th	2	0	0	6.7	39	1
2021/22	BirminghamLoan · 20th	3	0	0	6.25	54	0
2020/21	AZ AlkmaarLoan	1	0	0	6.49	—	—
2020/21	Jong AZ · 17th	6	0	0	6.75	45	2
2020/21	ADO Den Haag · 18th	17	0	0	6.49	58	15

Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year. 1 earlier season and 13 youth-team spells in the full career.

Netherlands · international

Side	Apps	G
Netherlands U19	6	2
Netherlands U17	7	3

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

Scout report

Squad depthCreative Attacking midfielder

Juan Carlos Familia-Castillo is a 26-year-old attacking midfielder at Waalwijk, rated 48.4 overall by Field Insider's model, ranking 86th of 158 on scout potential in the Eerste Divisie. In his prime years, he has been a rotation option this season (57.7% of available minutes). He brings 0.37 goal contributions per 90 (0.08 goals, 0.29 assists). Below: strengths, watch-points, market-value outlook and the latest transfer news on Familia-Castillo.

Judged on this season alone, Familia-Castillo graded 23 — a workmanlike campaign that ranks 8th of 18 of the 18 attacking midfielders in the Eerste Divisie, on 2 goals and 7 assists in 33 appearances (0.371 involvements per 90).

Year-on-year, that's broadly in line with last season (Season 20 → 20). Over the 5 seasons on record his form has trended upward, peaking in 2025/26.

On long-term talent our Rating reads 48, 10th of 18 of the 18 attacking midfielders in the Eerste Divisie. At 26 Familia-Castillo is in his prime years, and a market index of 14.3 reflects that trajectory.

From the career report

Read the full career report →

Familia-Castillo is operating at his career peak — the 2025/26 level is the level.

Peak: 2025/26Holding levelRemarkably consistentStepped up 2024/25

Current potential10th of 18 attacking midfielders · Eerste Divisie Current season8th of 18 attacking midfielders · Eerste Divisie 8th-best attacking midfielder in the Eerste Divisie 86th in the Eerste Divisie · potential 10th-highest potential attacking midfielder in the Eerste Divisie

48.4

Ratingi

10th of 18 attacking midfielders

22.9

Seasoni

below regular-starter level

57.7%

Minutes

rotation minutes

0.37

Goal contrib / 90

productive for the role

Output in context · Waalwijk finished 6th of 20 · an upper-table side

Apps

Goals

Assists

G+A

0.06

Goals / app

2 goals in 33 appearances (0.06 per game) — light end product the role wants to see climb. He also laid on 7 assists, so the all-round involvement reads 9 goal contributions (0.27 per appearance).

Strengths

Final-third output. 0.37 goal contributions per 90 (0.08 goals, 0.29 assists) — productive for the role.
Defensive volume. 3.84 tackles, blocks & interceptions per 90 — does the unseen work.

Watch points

Game time. Only 57.7% of available minutes — needs a settled run to prove the level.

Outlook

With a Rating of 48.4, Familia-Castillo carries the 10th-highest potential of the attacking midfielders in the Eerste Divisie of 18. In the final third he profiles as a productive contributor (0.37 goal contributions per 90). In the prime window — at or near peak market value, so the next two seasons are the ones to cash in or build around.

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

Per 90 & availability

Minutes played %57.7%

Available fixtures42 of 42

Goals / 900.082

Assists / 900.289

Goal contribution / 900.371

Defensive actions / 903.836

Player flow

Goal involvements9

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 (~14), then tapers with age. At 26, Familia-Castillo sits on 14.3, at or near its peak. The blue line is Familia-Castillo's projected Rating — 48.4 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.

Season statistics

Bars = where he ranks among attacking midfielders in the Eerste Divisie with 600+ minutes this season.

Shooting

Goals2—

Passing

Assists7—

Defending

Tackles57—

Interceptions29—

Blocks7—

Yellow/red cards

Yellow cards0

Red cards0

Transfer history

Chelsea(back from loan)Jul 2022 – now

Charltonuntil Jul 2022

Chelsea(back from loan)Jul 2021 – Jul 2022

ADO Den Haag(on loan)until Jul 2021

Charlton(on loan)Jan 2022 – Jul 2021

Chelsea(back from loan)Jan 2022 – Jan 2022

Birmingham(on loan)Jul 2021 – Jan 2022

AZ Alkmaar(on loan)Oct 2020 – Jul 2021

Chelseauntil Oct 2020

About Juan Carlos Familia-Castillo

Juan Carlos Familia-Castillo is a 26-year-old attacking midfielder who plays for Waalwijk, born on January 13, 2000 in Amsterdam, standing 175 cm tall. He is from Netherlands. Waalwijk currently sit 7th of 20 in the Eerste Divisie.

This season

In the current season, Juan Carlos Familia-Castillo has made 7 appearances with 1 goal and 3 assists across 630 minutes.

Juan Carlos Familia-Castillo's next match is on October 9, 2026, when Waalwijk face Heracles away in the Eerste Divisie.

Field Insider's view

Field Insider currently rates Juan Carlos Familia-Castillo at 48.4 with a Season form score of 22.9, ranking 86th of 158 attacking midfielders in the Eerste Divisie. See the full scout report for strengths, watch-points and the market-value outlook.

His honours include 8 career titles — among them the U18 Premier League and the FA Youth Cup. Full list in the career record.

Career

Across 10 recorded seasons, Juan Carlos Familia-Castillo has totalled 217 club appearances with 12 goals and 13 assists for 11 different clubs. His busiest campaign came in 2025/26, with 33 appearances for Waalwijk.

Juan Carlos Familia-Castillo's career has also included time at Chelsea, Charlton, ADO Den Haag, Birmingham and AZ Alkmaar.

On the international stage, Juan Carlos Familia-Castillo has represented Netherlands U19 and Netherlands U17 — 13 caps and 5 goals in our records.

Transfer news

No transfer news found for this player.

Profile

Season stats

Performance data · by competition

Career

Scout report

Output in context · Waalwijk finished 6th of 20 · an upper-table side

Strengths

Watch points