Market value
€250k
Left-Back Defender
Career snapshot
5
clubs played for
20/21
debut season
0.03
goals / match
AZ Alkmaar U21
top club · 51 apps
Career highs
€325k
peak value · 2023
—
top transfer fee
1
best season · 21/22
—
int'l / penalties
Born the same day
Shares 2004-05-28 · 6 players total
99Appearances
3Goals
7Assists
12Yellow cards
0Red cards
29Full matches (90′)
| Full name | Sem Dekkers |
|---|---|
| Date of birth | 2004-05-28 (21 yrs) |
| Place of birth | Heiloo, Netherlands |
| Citizenship |  Netherlands |
| Position | Defender - Left-Back (main: Defender) |
| Foot | right |
| Height | 175.00 m |
| Current club | AZ Alkmaar U21 |
| Joined | 2022-07-01 |
| Contract expires | 2026-06-30 |
| Agent | Muy Manero |
Jun 2025
Transfer: Helmond Sport → AZ Alkmaar U21
24/25 · Return from loan
Feb 2025
Transfer: AZ Alkmaar U21 → Helmond Sport
24/25 · Loan
Jul 2024
24/25 — Helmond Sport, AZ Alkmaar U21
18 matches · 0 G · 0 A · across 1 competition
Jul 2023
2023 — AZ Alkmaar UEFA U19
0 matches · 0 G · 0 A · across 1 competition
Jul 2023
23/24 — AZ Alkmaar U21, AZ Alkmaar UEFA U19
24 matches · 1 G · 0 A · across 2 competitions
Jul 2022
22/23 — AZ Alkmaar U21, AZ Alkmaar U18, AZ Alkmaar UEFA U19
23 matches · 1 G · 0 A · across 3 competitions
Jul 2022
Transfer: AZ U18 → AZ Alkmaar U21
22/23 · Transfer
Jul 2021
21/22 — AZ Alkmaar U21, AZ Alkmaar U18, AZ Alkmaar UEFA U19
30 matches · 1 G · 6 A · across 6 competitions
Jul 2021
Transfer: AZ U17 → AZ U18
21/22 · Transfer
Jul 2020
20/21 — AZ Alkmaar U17
4 matches · 0 G · 1 A · across 1 competition
Jul 2020
Transfer: AZ Alkmaar Yth. → AZ U17
20/21 · Transfer
Jul 2014
Transfer: HSV Heiloo Jgd. → AZ Alkmaar Yth.
14/15 · Transfer
Jan 1970
Peak market value: €325k
Highest valuation recorded in dataset
Minutes played by club
Helmond Sport
0.0%
AZ Alkmaar U21
47.4%
AZ Alkmaar UEFA U19
6.8%
AZ Alkmaar U18
45.8%
AZ Alkmaar U17
0.0%
| Club | Seasons | First | Last | Matches | Goals | Assists | Minutes |
|---|---|---|---|---|---|---|---|
| Helmond Sport | 1 | 24/25 | 24/25 | 7 | 0 | 0 | 0 |
| AZ Alkmaar U21 | 4 | 21/22 | 24/25 | 51 | 1 | 0 | 1,255 |
| AZ Alkmaar UEFA U19 | 4 | 2023 | 23/24 | 7 | 1 | 0 | 180 |
| AZ Alkmaar U18 | 2 | 21/22 | 22/23 | 30 | 1 | 6 | 1,215 |
| AZ Alkmaar U17 | 1 | 20/21 | 20/21 | 4 | 0 | 1 | 0 |
Career trajectory — goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
|---|---|---|---|---|---|---|---|---|
| 24/25 | Keuken Kampioen Divisie | Helmond Sport | 7 | 0 | 0 | 1 | 0 | 0 |
| 24/25 | Keuken Kampioen Divisie | AZ Alkmaar U21 | 11 | 0 | 0 | 1 | 0 | 0 |
| 23/24 | Keuken Kampioen Divisie | AZ Alkmaar U21 | 22 | 0 | 0 | 5 | 0 | 0 |
| 23/24 | UEFA Youth League | AZ Alkmaar UEFA U19 | 2 | 1 | 0 | 1 | 0 | 180 |
| 22/23 | Keuken Kampioen Divisie | AZ Alkmaar U21 | 18 | 1 | 0 | 4 | 0 | 1,255 |
| 22/23 | O18 Div. 1 Fall | AZ Alkmaar U18 | 3 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | UEFA Youth League | AZ Alkmaar UEFA U19 | 2 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | Keuken Kampioen Divisie | AZ Alkmaar U21 | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | O18 Div. 1 Fall | AZ Alkmaar U18 | 14 | 1 | 2 | 0 | 0 | 1,215 |
| 21/22 | O18 Div. 1 Spring | AZ Alkmaar U18 | 7 | 0 | 2 | 0 | 0 | 0 |
| 21/22 | Play-Off U18 Eredivisie | AZ Alkmaar U18 | 1 | 0 | 1 | 0 | 0 | 0 |
| 21/22 | U19 Cup Netherlands | AZ Alkmaar U18 | 5 | 0 | 1 | 0 | 0 | 0 |
| 21/22 | UEFA Youth League | AZ Alkmaar UEFA U19 | 3 | 0 | 0 | 0 | 0 | 0 |
| 2023 | Under-20 Intercontinental Cup | AZ Alkmaar UEFA U19 | 0 | 0 | 0 | 0 | 0 | 0 |
| 20/21 | U17 Div. 1 Fall | AZ Alkmaar U17 | 4 | 0 | 1 | 0 | 0 | 0 |
| Season | Date | From | To | Type | Market value | Fee |
|---|---|---|---|---|---|---|
| 14/15 | 2014-07-01 | HSV Heiloo Jgd. | AZ Alkmaar Yth. | Transfer | 0 | — |
| 20/21 | 2020-07-01 | AZ Alkmaar Yth. | AZ U17 | Transfer | 0 | — |
| 21/22 | 2021-07-01 | AZ U17 | AZ U18 | Transfer | 0 | — |
| 22/23 | 2022-07-01 | AZ U18 | AZ Alkmaar U21 | Transfer | 25000 | — |
| 24/25 | 2025-02-04 | AZ Alkmaar U21 | Helmond Sport | Loan | 250000 | — |
| 24/25 | 2025-06-30 | Helmond Sport | AZ Alkmaar U21 | Return from loan | 250000 | — |
No recorded injuries.
Current€250k
Peak€325k
Low€25k
Δ since start+€150k
| Date | Value |
|---|---|
| Jan 1, 1970 | €250k |
| Jan 1, 1970 | €300k |
| Jan 1, 1970 | €250k |
| Jan 1, 1970 | €250k |
| Jan 1, 1970 | €300k |
| Jan 1, 1970 | €325k |
| Jan 1, 1970 | €325k |
| Jan 1, 1970 | €25k |
| Jan 1, 1970 | €100k |
No national team data.
| Teammate | PPG played with | Joint goals | Minutes |
|---|---|---|---|
| Damienus Reverson | 2 | 0 | 907 |
| Jayen Gerold | 2 | 0 | 673 |
| Job Kalisvaart | 2 | 0 | 0 |
| Zico Buurmeester | 2 | 0 | 0 |
| Fedde de Jong | 2 | 1 | 0 |
| Myron van Brederode | 2 | 0 | 0 |
| Ernest Poku | 2 | 0 | 0 |
| Kees Smit | 2 | 0 | 0 |
| Misha Engel | 1 | 0 | 0 |
| Loek Postma | 2 | 0 | 0 |
| Finn Stam | 2 | 0 | 0 |
| Dave Kwakman | 2 | 0 | 0 |
| Nick Koster | 2 | 1 | 0 |
| Mexx Meerdink | 2 | 2 | 0 |
| Maxim Dekker | 2 | 0 | 0 |
| Tom Kerssens | 2 | 1 | 0 |
| Jayden Addai | 2 | 1 | 0 |
| Rome Jayden Owusu-Oduro | 2 | 0 | 0 |
| Lewis Schouten | 2 | 1 | 0 |
| Wouter Goes | 2 | 0 | 0 |
Single-season peaks across competitions in this player's career.
Top goalscoring seasons
| Season | Competition | Club | Goals | Matches |
|---|---|---|---|---|
| 23/24 | UEFA Youth League | AZ Alkmaar UEFA U19 | 1 | 2 |
| 21/22 | O18 Div. 1 Fall | AZ Alkmaar U18 | 1 | 14 |
| 22/23 | Keuken Kampioen Divisie | AZ Alkmaar U21 | 1 | 18 |
Top assist seasons
| Season | Competition | Club | Assists | Matches |
|---|---|---|---|---|
| 21/22 | O18 Div. 1 Fall | AZ Alkmaar U18 | 2 | 14 |
| 21/22 | O18 Div. 1 Spring | AZ Alkmaar U18 | 2 | 7 |
| 20/21 | U17 Div. 1 Fall | AZ Alkmaar U17 | 1 | 4 |
Every loan spell across this player's career.
| Season | Date | From | To | Type | Fee | Value at transfer |
|---|---|---|---|---|---|---|
| 24/25 | 2025-06-30 | Helmond Sport | AZ Alkmaar U21 | Return from loan | — | €250k |
| 24/25 | 2025-02-04 | AZ Alkmaar U21 | Helmond Sport | Loan | — | €250k |
Auto-detected milestones based on cumulative career totals.
| Season / Year | Milestone | Date |
|---|---|---|
| 20/21 | Senior debut season | |
| 21/22 | First senior goal |
Yellow / second-yellow / red cards per season. Only seasons with at least one card are shown.
| Season | Matches | Mins | YC | 2nd YC | RC | Cards / 90′ |
|---|---|---|---|---|---|---|
| 24/25 | 18 | 0 | 2 | 0 | 0 | 0 |
| 23/24 | 24 | 180 | 6 | 0 | 0 | 3 |
| 22/23 | 23 | 1,255 | 4 | 0 | 0 | 0.29 |
Output by competition
Career goals and assists broken down by tournament.
O18 Div. 1 Fall
17 apps
1 G
2 A
Keuken Kampioen Divisie
58 apps
1 G
0 A
UEFA Youth League
7 apps
1 G
0 A
O18 Div. 1 Spring
7 apps
0 G
2 A
Play-Off U18 Eredivisie
1 apps
0 G
1 A
U19 Cup Netherlands
5 apps
0 G
1 A
U17 Div. 1 Fall
4 apps
0 G
1 A
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Frequently asked about Sem Dekkers
Who is Sem Dekkers?
Sem Dekkers is a Netherlands professional footballer who plays as a left-back for AZ Alkmaar U21.
How old is Sem Dekkers?
Sem Dekkers is 21 years old. He was born on May 28, 2004 in Heiloo.
What position does Sem Dekkers play?
Sem Dekkers plays as a left-back (Defender - Left-Back).
What club does Sem Dekkers play for?
Sem Dekkers currently plays for AZ Alkmaar U21.
How many career goals has Sem Dekkers scored?
Across all senior club competitions in our dataset, Sem Dekkers has scored 3 goals in 99 appearances.
What is Sem Dekkers's market value?
Sem Dekkers's most recent reported market value is €250k.