| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Nashville SC | MLS | 8 | 0 | 0 | 0 | 0 | 6.5 |
| 2025 | Huntsville | MLS Next Pro | 1 | 0 | 0 | 1 | 0 | – |
| 2024 | Nashville SC | MLS | 8 | 0 | 0 | 1 | 0 | 6.8 |
| 2024 | Huntsville | MLS Next Pro | 6 | 1 | 0 | 2 | 0 | – |
| 2023 | Los Angeles FC | MLS | 15 | 0 | 0 | 0 | 0 | 6.3 |
| 2023 | Los Angeles FC 2 | MLS Next Pro | 20 | 0 | 4 | 3 | 0 | – |
| 2022 | Las Vegas Lights | USL Championship | 10 | 1 | 1 | 1 | 0 | – |
| 2021 | Las Vegas Lights | USL Championship | 12 | 1 | 0 | 0 | 0 | – |
| 2019 | Austin Bold | USL Championship | 1 | 0 | 0 | 0 | 0 | – |
| Total | 81 | 3 | 5 | 8 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | Los Angeles FC | Nashville SC | Free agent | |
| 05 Mar 2021 | Lone Star | Los Angeles FC | Free agent | |
| - | Austin Bold | Lone Star | Return from loan | |
| 03 Jan 2019 | Lone Star | Austin Bold | Loan |
J. Gaines career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.