| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | Regionalliga: Südwest | 1 | — | 0 | 0 | — | 0 |
| 2023/2024 | U19 Bundesliga | 20 | 1397 | 0 | 0 | 0 | — |
| 2024/2025 | U19 Bundesliga | 4 | — | 1 | 0 | — | — |
| 2025/2026 | Regionalliga: Südwest | 13 | — | 0 | 0 | — | — |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cohort: 109 U19 Bundesliga defenders, 2023/2024, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-08-15
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Hertha U19 | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Eintracht Trier | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Dresden U19 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Jena U19 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hannover U19 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hallescher FC U19 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Erzgebirge Aue U19 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Manchester City U19 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Aston Villa U19 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Homburg | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sturm Graz | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sandhausen | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Sonnenhof Großaspach | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bahlinger SC | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Bayern Alzenau | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 St. Pauli U19 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hamburger SV U19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Balingen | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Schott Mainz | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Juventus U19 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
In the 2025/2026 Regionalliga: Südwest, Leon Koss played 13 games without a direct goal contribution. By goal involvements per 90 he ranks in the 67th percentile of 109 U19 Bundesliga defenders with at least 450 minutes in 2023/2024 — better than half the group.
