| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014/2015 | League Two (Scotland) | 31 | — | 1 | 0 | — | — |
| 2015/2016 | Championship (Scotland) | 9 | 90 | 0 | 0 | 0 | — |
| 2015/2016 | League One (Scotland) | 19 | — | 2 | 0 | — | — |
| 2016/2017 | League One (Scotland) | 27 | — | 4 | 0 | — | — |
| 2017/2018 | Championship (Scotland) | 28 | 1675 | 3 | 8 | 0.59 | — |
| 2017/2018 | League One (Scotland) | 12 | 978 | 2 | 0 | 0.18 | — |
| 2018/2019 | Championship (Scotland) | 32 | 2698 | 9 | 10 | 0.63 | — |
| 2019/2020 | Premiership | 27 | 1884 | 1 | 3 | 0.19 | 6.95 |
| 2020/2021 | Premiership | 27 | 1543 | 2 | 5 | 0.41 | 6.95 |
| 2021/2022 | Championship (Scotland) | 32 | 2551 | 3 | 5 | 0.28 | — |
| 2022/2023 | Premiership | 1 | 9 | 0 | 0 | — | 6.73 |
| 2022/2023 | Championship (Scotland) | 22 | 1637 | 9 | 4 | 0.71 | — |
| 2023/2024 | Championship (Scotland) | 31 | 2192 | 2 | 5 | 0.29 | — |
| 2024/2025 | Championship (Scotland) | 27 | 1713 | 2 | 2 | 0.21 | 6.96 |
| 2025/2026 | Championship (Scotland) | 30 | 1477 | 3 | 5 | 0.49 | 6.49 |
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 2026-08-03
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Partick Thistle | 27 | 13 | 6 | 8 | 2 | 3 | 6 | 1 |
 Greenock Morton | 27 | 12 | 9 | 6 | 2 | 0 | 1 | 1 |
 Ayr United | 21 | 9 | 5 | 7 | 2 | 1 | 0 | 0 |
 Inverness CT | 21 | 10 | 6 | 5 | 3 | 1 | 1 | 0 |
 Dunfermline Athletic | 21 | 12 | 4 | 5 | 1 | 0 | 1 | 0 |
 Dundee United | 18 | 8 | 3 | 7 | 2 | 3 | 5 | 0 |
 Falkirk | 14 | 8 | 3 | 3 | 1 | 0 | 1 | 0 |
 Queen of the South | 14 | 7 | 4 | 3 | 5 | 2 | 0 | 1 |
 Arbroath | 14 | 3 | 5 | 6 | 2 | 0 | 1 | 0 |
 Queen's Park | 14 | 7 | 3 | 4 | 1 | 2 | 1 | 0 |
 Hamilton Academical | 13 | 10 | 3 | 0 | 3 | 2 | 0 | 0 |
 Airdrieonians | 12 | 3 | 3 | 6 | 1 | 1 | 2 | 0 |
 Kilmarnock | 11 | 4 | 2 | 5 | 1 | 0 | 0 | 0 |
 Hibernian | 10 | 3 | 3 | 4 | 1 | 0 | 0 | 0 |
 Raith Rovers | 10 | 3 | 2 | 5 | 2 | 3 | 0 | 0 |
 St. Mirren | 10 | 2 | 3 | 5 | 0 | 0 | 0 | 0 |
 Aberdeen | 9 | 2 | 2 | 5 | 1 | 0 | 0 | 0 |
 Rangers | 8 | 1 | 0 | 7 | 0 | 0 | 1 | 0 |
 Ross County | 8 | 2 | 1 | 5 | 0 | 0 | 0 | 0 |
 Livingston | 8 | 1 | 1 | 6 | 0 | 0 | 0 | 0 |
Across 30 Championship (Scotland) appearances in 2025/2026, Joshua Mullin contributed 3 goals plus 5 assists (1,477 minutes) — 0.49 goal involvements per 90. His average match rating for that season computes to 6.49.
His best-rated season remains 2024/2025 (6.96, Championship (Scotland)); his lowest was 2025/2026 (6.49). His two latest rated seasons run 0.23 lower than the rest of his career.
