| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2025 | USL League One (United States) | 13 | 490 | 0 | 1 | 0.18 | 6.68 |
| 2026 | USL League One (United States) | 21 | 743 | 3 | 0 | 0.36 | 6.71 |
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 2026-09-08
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Charlotte Independence | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Union Omaha | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 One Knoxville | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sarasota Paradise | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Alta | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Athletic Club Boise | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 NY Cosmos | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Richmond Kickers | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Corpus Christi | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Forward Madison | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fort Wayne | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Spokane Velocity | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Naples | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Portland Hearts of Pine | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Texoma | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Westchester SC | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Greyson Mercer finished the 2026 USL League One (United States) with 3 goals from 21 appearances (743 minutes), with no assists recorded — 0.36 goal involvements per 90. Per-match rating over the season: 6.71.
Between 2025 and 2026 he accumulated 2 league seasons, all with a single club. 2026's 6.71 stands as his career-best rating, with 2025 (6.68) at the other end.
