| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023 | Major League Soccer (United States) | 2 | 22 | 0 | 0 | — | 6.63 |
| 2024 | Major League Soccer (United States) | 10 | 545 | 1 | 1 | 0.33 | 6.88 |
| 2025 | USL Championship (United States) | 22 | 1233 | 2 | 2 | 0.29 | 6.73 |
| 2026 | USL Championship (United States) | 8 | 265 | 0 | 0 | 0 | 6.59 |
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 2026-08-14
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Tampa Bay Rowdies | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 San Antonio | 3 | 1 | 2 | 0 | 1 | 0 | 0 | 0 |
 Hartford Athletic | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Colorado Rapids | 2 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
 SJ Earthquakes | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Vancouver Whitecaps | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Sporting KC | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
 Pittsburgh Riverhounds | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sacramento Republic | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 North Carolina FC | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Las Vegas Lights | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Miami FC II | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 El Paso Locomotive | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 DC United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Dallas | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Portland Timbers | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Real Salt Lake | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Louisville City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Colorado Springs | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Detroit City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Neither a goal nor an assist came from John Klein's 8 USL Championship (United States) appearances in 2026 (265 minutes). GioScore's computed rating for the season averages 6.59.
Between 2023 and 2026 he accumulated 4 league seasons across 3 clubs. His best-rated season remains 2024 (6.88, Major League Soccer (United States)); his lowest was 2026 (6.59).
