| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2016/2017 | Premiership | 14 | 944 | 0 | 0 | 0 | — |
| 2017/2018 | Championship (Scotland) | 13 | 425 | 1 | 0 | 0.21 | — |
| 2017/2018 | League One (Scotland) | 6 | 178 | 1 | 0 | 0.51 | — |
| 2018/2019 | Premiership | 7 | 274 | 1 | 0 | 0.33 | — |
| 2018/2019 | Championship (Scotland) | 13 | 1108 | 0 | 2 | 0.16 | — |
| 2019/2020 | Premiership | 21 | 1626 | 0 | 1 | 0.06 | 6.86 |
| 2020/2021 | Premiership | 8 | 429 | 0 | 0 | 0 | 6.76 |
| 2021/2022 | Premiership | 16 | 887 | 1 | 0 | 0.1 | 6.73 |
| 2022/2023 | Championship (Scotland) | 36 | 3074 | 1 | 7 | 0.23 | — |
| 2023/2024 | Championship (Scotland) | 28 | 2333 | 2 | 4 | 0.23 | — |
| 2024/2025 | League One (England) | 42 | 3619 | 2 | 3 | 0.12 | 6.79 |
| 2025/2026 | League One (England) | 41 | 3420 | 1 | 0 | 0.03 | 6.61 |
| 2026/2027 | Premiership | 1 | 70 | 0 | 0 | — | 7 |
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 2026-08-04
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ross County | 16 | 10 | 4 | 2 | 0 | 0 | 2 | 0 |
 Aberdeen | 16 | 3 | 2 | 11 | 1 | 0 | 1 | 0 |
 Rangers | 15 | 1 | 2 | 12 | 0 | 0 | 1 | 0 |
 St. Johnstone | 15 | 4 | 4 | 7 | 0 | 0 | 2 | 0 |
 Celtic | 13 | 2 | 4 | 7 | 0 | 0 | 1 | 0 |
 Dundee United | 13 | 7 | 3 | 3 | 0 | 0 | 2 | 0 |
 St. Mirren | 13 | 5 | 5 | 3 | 0 | 0 | 0 | 0 |
 Hibernian | 12 | 6 | 4 | 2 | 1 | 0 | 1 | 0 |
 Inverness CT | 12 | 6 | 1 | 5 | 1 | 0 | 2 | 0 |
 Hamilton Academical | 12 | 4 | 4 | 4 | 0 | 0 | 0 | 0 |
 Greenock Morton | 12 | 8 | 3 | 1 | 0 | 2 | 4 | 0 |
 Raith Rovers | 11 | 2 | 4 | 5 | 1 | 0 | 4 | 0 |
 Dundee | 11 | 5 | 2 | 4 | 0 | 0 | 1 | 0 |
 Ayr United | 10 | 5 | 2 | 3 | 2 | 1 | 2 | 0 |
 Hearts | 10 | 1 | 3 | 6 | 0 | 0 | 0 | 0 |
 Queen's Park | 10 | 6 | 1 | 3 | 2 | 0 | 0 | 0 |
 Motherwell | 9 | 2 | 4 | 3 | 0 | 0 | 0 | 0 |
 Dunfermline Athletic | 8 | 1 | 3 | 4 | 0 | 0 | 0 | 0 |
 Airdrieonians | 8 | 4 | 2 | 2 | 0 | 0 | 0 | 0 |
 Kilmarnock | 7 | 4 | 1 | 2 | 0 | 0 | 0 | 0 |
All of J. McMillan's 2025/2026 League One (England) output came as goals: 1 goal in 41 games (3,420 minutes) — 0.03 goal involvements per 90. Per-match rating over the season: 6.61.
His best-rated season remains 2019/2020 (6.86, Premiership); his lowest was 2025/2026 (6.61).
