| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2018/2019 | A-League Men | 8 | 467 | 1 | 1 | 0.39 | 6.54 |
| 2020 | Premier Division | 14 | 781 | 2 | 0 | 0.23 | — |
| 2021 | Premier Division | 5 | 91 | 0 | 0 | 0 | — |
| 2022 | Premier Division | 10 | 330 | 1 | 0 | 0.27 | — |
| 2022/2023 | Premiership | 3 | 167 | 0 | 0 | 0 | — |
| 2023/2024 | Premiership | 21 | 1197 | 2 | 3 | 0.38 | 7.59 |
| 2024 | Premier Division | 6 | 290 | 0 | 0 | 0 | 6.43 |
| 2025 | Premier Division | 14 | 363 | 0 | 0 | 0 | 6.61 |
| 2025/2026 | Premiership | 19 | 1007 | 0 | 0 | 0 | 6.5 |
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 2026-08-12
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Portadown | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Shamrock Rovers | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Galway United | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bohemians | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Glentoran | 3 | 1 | 0 | 2 | 1 | 0 | 0 | 0 |
 Derry City | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 St Patrick's | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Cliftonville | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Waterford United | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Coleraine | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Larne | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Shelbourne | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Dungannon Swifts | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Drogheda United | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Ballymena United | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Glenavon | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Crusaders | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bangor | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Linfield | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cork City | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Mexico U22 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Brazil U22 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Stephen Mallon went through 19 Premiership appearances in 2025/2026 (1,007 minutes) without a goal or an assist. His average match rating for that season computes to 6.5.
His best-rated season remains 2023/2024 (7.59, Premiership); his lowest was 2024 (6.43). His two latest rated seasons run 0.3 lower than the rest of his career.
