| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2016 | 1. Division | 9 | 106 | 0 | 0 | 0 | — |
| 2017 | 1. Division | 7 | 153 | 0 | 0 | 0 | — |
| 2021 | USL Championship (United States) | 1 | 79 | 1 | 0 | — | 7.24 |
| 2022 | USL Championship (United States) | 28 | 1700 | 8 | 1 | 0.48 | 6.36 |
| 2023 | USL Championship (United States) | 20 | 871 | 1 | 2 | 0.31 | 6.78 |
| 2024 | USL Championship (United States) | 22 | 873 | 3 | 2 | 0.52 | 7.17 |
| 2025 | USL Championship (United States) | 22 | 850 | 3 | 3 | 0.64 | 6.74 |
| 2026 | USL Championship (United States) | 18 | 716 | 3 | 0 | 0.38 | 6.91 |
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.
Figures computed from the GioScore season-stats database · as of 2026-09-01
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Tulsa Roughnecks | 3 | 2 | 1 | 0 | 2 | 1 | 0 | 0 |
 San Antonio | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Phoenix Rising | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Orange County | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Rio Grande Valley | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Louisville City | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Detroit City | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Las Vegas Lights | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 |
 Hartford Athletic | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Birmingham Legion | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 New Mexico United | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Oakland Roots | 2 | 2 | 0 | 0 | 1 | 1 | 0 | 0 |
 El Paso Locomotive | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Lexington | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
 Colorado Rapids | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Tampa Bay Rowdies | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Sporting KC | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 New York RB | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Pittsburgh Riverhounds | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sacramento Republic | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Jonas Fjellberg finished the 2026 USL Championship (United States) with 3 goals from 18 appearances (716 minutes), with no assists recorded — 0.38 goal involvements per 90. That season graded out at an average match rating of 6.91.
His league record spans 8 seasons (2016–2026) across 5 clubs. At his best he averaged 7.17 in 2024, USL Championship (United States); at his worst, 6.36 in 2022.
