Leon Koß
Defender - Right-Back
at SC Freiburg II
at SC Freiburg II
327 days · joined 2025-07-01
✨Wonderkid
Market value
€50k
Right-Back Defender
Career snapshot
5
clubs played for
22/23
debut season
0.05
goals / match
RB Leipzig U19
top club · 40 apps
Career highs
€50k
peak value · 2025
—
top transfer fee
3
best season · 22/23
1 / 0
int'l caps / goals
Born the same day
Shares 2006-09-12 · 6 players total
73Appearances
4Goals
8Assists
13Yellow cards
0Red cards
19Full matches (90′)
| Full name | Leon Koß |
|---|---|
| Date of birth | 2006-09-12 (19 yrs) |
| Place of birth | Leipzig, Germany |
| Citizenship |  Germany |
| Position | Defender - Right-Back (main: Defender) |
| Foot | both |
| Height | 189.00 m |
| Current club | SC Freiburg II |
| Joined | 2025-07-01 |
| Contract expires | 2027-06-30 |
| Agent | Alfaria sports GmbH |
Jul 2025
Injury: unknown
3 games missed
Jul 2025
25/26 — SC Freiburg II
1 matches · 0 G · 0 A · across 1 competition
Jul 2025
Transfer: RB Leipzig U19 → SC Freiburg II
25/26 · Transfer
Jul 2024
24/25 — RB Leipzig, RB Leipzig U19, RB Leipzig UEFA U19
24 matches · 1 G · 0 A · across 5 competitions
Jul 2023
23/24 — RB Leipzig U19, RB Leipzig UEFA U19
27 matches · 0 G · 2 A · across 3 competitions
Jul 2023
Transfer: RB Leipzig U17 → RB Leipzig U19
23/24 · Transfer
Jul 2022
22/23 — RB Leipzig U17
21 matches · 3 G · 6 A · across 3 competitions
Jul 2022
Transfer: RB Leipzig Yth. → RB Leipzig U17
22/23 · Transfer
Jul 2018
Transfer: L. Leipzig Yth. → RB Leipzig Yth.
18/19 · Transfer
Jul 2016
Transfer: RB Leipzig Yth. → L. Leipzig Yth.
16/17 · Transfer
Jul 2014
Transfer: E. Holzhausen → RB Leipzig Yth.
14/15 · Transfer
Jan 1970
Peak market value: €50k
Highest valuation recorded in dataset
Minutes played by club
SC Freiburg II
0.0%
RB Leipzig
0.0%
RB Leipzig U19
50.9%
RB Leipzig UEFA U19
0.0%
RB Leipzig U17
49.1%
| Club | Seasons | First | Last | Matches | Goals | Assists | Minutes |
|---|---|---|---|---|---|---|---|
| SC Freiburg II | 1 | 25/26 | 25/26 | 1 | 0 | 0 | 0 |
| RB Leipzig | 1 | 24/25 | 24/25 | 0 | 0 | 0 | 0 |
| RB Leipzig U19 | 2 | 23/24 | 24/25 | 40 | 1 | 1 | 878 |
| RB Leipzig UEFA U19 | 2 | 23/24 | 24/25 | 11 | 0 | 1 | 0 |
| RB Leipzig U17 | 1 | 22/23 | 22/23 | 21 | 3 | 6 | 847 |
Career trajectory — goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Regionalliga Südwest | SC Freiburg II | 1 | 0 | 0 | 0 | 0 | 0 |
| 24/25 | Champions League | RB Leipzig | 0 | 0 | 0 | 0 | 0 | 0 |
| 24/25 | U19 Nachwuchsliga - Gr. H | RB Leipzig U19 | 13 | 1 | 0 | 2 | 0 | 878 |
| 24/25 | U19 Nachwuchsliga - Liga A | RB Leipzig U19 | 5 | 0 | 0 | 0 | 0 | 0 |
| 24/25 | U19-Champ. | RB Leipzig U19 | 1 | 0 | 0 | 0 | 0 | 0 |
| 24/25 | UEFA Youth League | RB Leipzig UEFA U19 | 5 | 0 | 0 | 3 | 0 | 0 |
| 23/24 | DFB-Pokal der Junioren | RB Leipzig U19 | 1 | 0 | 0 | 0 | 0 | 0 |
| 23/24 | U19-BL N/NE | RB Leipzig U19 | 20 | 0 | 1 | 4 | 0 | 0 |
| 23/24 | UEFA Youth League | RB Leipzig UEFA U19 | 6 | 0 | 1 | 0 | 0 | 0 |
| 22/23 | U17-BL N/NE | RB Leipzig U17 | 14 | 2 | 4 | 4 | 0 | 563 |
| 22/23 | U17-Sonderspielrunde Hauptr. | RB Leipzig U17 | 3 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | U17-Sonderspielrunde Vorr. | RB Leipzig U17 | 4 | 1 | 2 | 0 | 0 | 284 |
| Season | Date | From | To | Type | Market value | Fee |
|---|---|---|---|---|---|---|
| 14/15 | 2014-07-01 | E. Holzhausen | RB Leipzig Yth. | Transfer | 0 | — |
| 16/17 | 2016-07-01 | RB Leipzig Yth. | L. Leipzig Yth. | Transfer | 0 | — |
| 18/19 | 2018-07-01 | L. Leipzig Yth. | RB Leipzig Yth. | Transfer | 0 | — |
| 22/23 | 2022-07-01 | RB Leipzig Yth. | RB Leipzig U17 | Transfer | 0 | — |
| 23/24 | 2023-07-01 | RB Leipzig U17 | RB Leipzig U19 | Transfer | 0 | — |
| 25/26 | 2025-07-01 | RB Leipzig U19 | SC Freiburg II | Transfer | 0 | — |
| Season | Injury | From | To | Days missed | Games missed |
|---|---|---|---|---|---|
| 25/26 | Torn ligaments | 2025-07-13 | 2025-08-23 | 42 | 3 |
Current€50k
Peak€50k
Low€50k
Δ since start+—
Not enough data for chart
| Date | Value |
|---|---|
| Jan 1, 1970 | €50k |
| Team | Shirt | Matches | Goals | Debut | Age at debut | Status |
|---|---|---|---|---|---|---|
| Team #5710 | #13 | 1 | 0 | — | — | recent national player |
| Teammate | PPG played with | Joint goals | Minutes |
|---|---|---|---|
| Din Klapija | 2 | 0 | 979 |
| Lionel Voufack | 2 | 0 | 877 |
| Arno Krause | 2 | 0 | 0 |
| Oleksandr Gavrylenko | 2 | 0 | 0 |
| Robert Ramsak | 1 | 0 | 0 |
| Viggo Gebel | 2 | 1 | 0 |
| Jamie Schuldes | 1 | 0 | 0 |
| Pepe Böhm | 2 | 0 | 0 |
| Miguel Boog | 2 | 0 | 0 |
| Simon Schierack | 2 | 0 | 0 |
| Elias Lenz | 2 | 0 | 0 |
| Fernando Dickes | 2 | 0 | 0 |
| Winners Osawe | 2 | 0 | 0 |
| Aris Bayindir | 2 | 0 | 0 |
| Nuha Jatta | 2 | 1 | 0 |
| Jonathan Norbye | 2 | 1 | 0 |
| Jakob Sachse | 2 | 3 | 0 |
| Noah Weißbach | 2 | 0 | 0 |
| Yannick Eduardo | 2 | 2 | 0 |
| Cenny Neumann | 2 | 2 | 0 |
Single-season peaks across competitions in this player's career.
Top goalscoring seasons
| Season | Competition | Club | Goals | Matches |
|---|---|---|---|---|
| 22/23 | U17-BL N/NE | RB Leipzig U17 | 2 | 14 |
| 22/23 | U17-Sonderspielrunde Vorr. | RB Leipzig U17 | 1 | 4 |
| 24/25 | U19 Nachwuchsliga - Gr. H | RB Leipzig U19 | 1 | 13 |
Top assist seasons
| Season | Competition | Club | Assists | Matches |
|---|---|---|---|---|
| 22/23 | U17-BL N/NE | RB Leipzig U17 | 4 | 14 |
| 22/23 | U17-Sonderspielrunde Vorr. | RB Leipzig U17 | 2 | 4 |
| 23/24 | UEFA Youth League | RB Leipzig UEFA U19 | 1 | 6 |
Auto-detected milestones based on cumulative career totals.
| Season / Year | Milestone | Date |
|---|---|---|
| 22/23 | Senior debut season | |
| 22/23 | 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 | 24 | 878 | 5 | 0 | 0 | 0.51 |
| 23/24 | 27 | 0 | 4 | 0 | 0 | 0 |
| 22/23 | 21 | 847 | 4 | 0 | 0 | 0.43 |
Output by competition
Career goals and assists broken down by tournament.
U17-BL N/NE
14 apps
2 G
4 A
U17-Sonderspielrunde Vorr.
4 apps
1 G
2 A
U19 Nachwuchsliga - Gr. H
13 apps
1 G
0 A
UEFA Youth League
11 apps
0 G
1 A
U19-BL N/NE
20 apps
0 G
1 A
U19 Nachwuchsliga - Liga A
5 apps
0 G
0 A
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Frequently asked about Leon Koß
Who is Leon Koß?
Leon Koß is a Germany professional footballer who plays as a right-back for SC Freiburg II.
How old is Leon Koß?
Leon Koß is 19 years old. He was born on September 12, 2006 in Leipzig.
What position does Leon Koß play?
Leon Koß plays as a right-back (Defender - Right-Back).
What club does Leon Koß play for?
Leon Koß currently plays for SC Freiburg II.
How many career goals has Leon Koß scored?
Across all senior club competitions in our dataset, Leon Koß has scored 4 goals in 73 appearances.
What is Leon Koß's market value?
Leon Koß's most recent reported market value is €50k.