| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017 | First Division (Ireland) | 3 | 185 | 3 | 0 | 1.46 | — |
| 2018 | Premier Division | 14 | 690 | 2 | 0 | 0.26 | — |
| 2019 | Premier Division | 7 | 332 | 0 | 0 | 0 | — |
| 2019 | First Division (Ireland) | 6 | — | 2 | 0 | — | — |
| 2020 | Premier Division | 11 | 682 | 4 | 0 | 0.53 | — |
| 2021 | Premier Division | 31 | 2588 | 10 | 1 | 0.38 | — |
| 2022 | Premier Division | 29 | 1060 | 2 | 3 | 0.42 | — |
| 2023 | Premier Division | 32 | 1366 | 6 | 0 | 0.4 | 6.88 |
| 2024 | Premier Division | 30 | 1614 | 4 | 4 | 0.45 | 7.08 |
| 2025 | Premier Division | 33 | 1262 | 7 | 1 | 0.57 | 6.86 |
| 2026 | Premier Division | 16 | 1012 | 6 | 2 | 0.71 | 6.99 |
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 2026-07-25
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Derry City | 12 | 3 | 4 | 5 | 1 | 0 | 3 | 0 |
 St Patrick's | 9 | 3 | 2 | 4 | 1 | 1 | 3 | 0 |
 Sligo Rovers | 8 | 5 | 1 | 2 | 5 | 0 | 0 | 0 |
 Shamrock Rovers | 7 | 1 | 3 | 3 | 1 | 0 | 2 | 0 |
 Bohemians | 7 | 2 | 4 | 1 | 2 | 0 | 2 | 0 |
 Drogheda United | 7 | 2 | 2 | 3 | 0 | 1 | 2 | 0 |
 Galway United | 6 | 3 | 2 | 1 | 1 | 1 | 0 | 0 |
 Dundalk | 6 | 3 | 1 | 2 | 4 | 1 | 2 | 0 |
 Waterford United | 6 | 4 | 1 | 1 | 1 | 0 | 0 | 0 |
 Cork City | 4 | 2 | 2 | 0 | 1 | 0 | 2 | 0 |
 Linfield | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Bray Wanderers | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 UCD | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Rijeka | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Qarabağ | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Finn Harps | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Longford Town | 1 | 1 | 0 | 0 | 2 | 1 | 0 | 0 |
 KAS Eupen | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 UCC | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Kilnamanagh | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
The 2026 Premier Division line for John Martin: 16 appearances (1,012 minutes), 6 goals, 2 assists — 0.71 goal involvements per 90. GioScore's computed rating for the season averages 6.99.
At his best he averaged 7.08 in 2024, Premier Division; at his worst, 6.86 in 2025.
