| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010/2011 | Championship (Scotland) | 11 | — | 0 | 0 | — | — |
| 2011/2012 | League One (Scotland) | 14 | — | 1 | 0 | — | — |
| 2012/2013 | Championship (Scotland) | 27 | — | 0 | 0 | — | — |
| 2013/2014 | Championship (Scotland) | 23 | — | 1 | 0 | — | — |
| 2014/2015 | Championship (Scotland) | 31 | 2520 | 0 | 0 | 0 | — |
| 2015/2016 | League One (Scotland) | 26 | — | 0 | 0 | — | — |
| 2016/2017 | League Two (Scotland) | 33 | — | 8 | 0 | — | — |
| 2017/2018 | League One (Scotland) | 3 | 180 | 3 | 0 | 1.5 | — |
| 2018/2019 | League One (Scotland) | 22 | 1958 | 2 | 0 | 0.09 | — |
| 2019/2020 | Championship (Scotland) | 25 | 2250 | 0 | 0 | 0 | — |
| 2020/2021 | Championship (Scotland) | 26 | 2339 | 2 | 1 | 0.12 | — |
| 2021/2022 | Championship (Scotland) | 35 | 3053 | 3 | 1 | 0.12 | — |
| 2022/2023 | Championship (Scotland) | 29 | 2546 | 2 | 1 | 0.11 | — |
| 2023/2024 | Championship (Scotland) | 19 | 1514 | 2 | 2 | 0.24 | — |
| 2024/2025 | League One (Scotland) | 29 | 2193 | 2 | 2 | 0.16 | — |
| 2025/2026 | Championship (Scotland) | 33 | 2897 | 1 | 1 | 0.06 | 6.44 |
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 | ||
|---|---|---|---|---|---|---|---|---|
 Raith Rovers | 21 | 5 | 7 | 9 | 1 | 1 | 4 | 1 |
 Inverness CT | 19 | 7 | 3 | 9 | 1 | 0 | 3 | 0 |
 Greenock Morton | 19 | 5 | 9 | 5 | 0 | 0 | 5 | 0 |
 Ayr United | 18 | 6 | 8 | 4 | 0 | 0 | 2 | 1 |
 Dunfermline Athletic | 17 | 8 | 3 | 6 | 3 | 0 | 6 | 0 |
 Queen of the South | 16 | 7 | 4 | 5 | 2 | 0 | 3 | 0 |
 Alloa Athletic | 14 | 5 | 2 | 7 | 0 | 0 | 3 | 0 |
 Partick Thistle | 13 | 6 | 5 | 2 | 1 | 0 | 2 | 1 |
 Dundee | 9 | 1 | 3 | 5 | 1 | 0 | 3 | 0 |
 Queen's Park | 9 | 4 | 1 | 4 | 0 | 0 | 3 | 0 |
 Hamilton Academical | 8 | 3 | 4 | 1 | 1 | 0 | 1 | 1 |
 Dumbarton | 8 | 3 | 3 | 2 | 1 | 1 | 2 | 1 |
 Cove Rangers | 7 | 3 | 2 | 2 | 0 | 0 | 2 | 0 |
 Annan Athletic | 7 | 5 | 0 | 2 | 0 | 0 | 1 | 0 |
 Airdrieonians | 7 | 2 | 3 | 2 | 0 | 0 | 0 | 0 |
 Ross County | 6 | 3 | 2 | 1 | 0 | 0 | 2 | 0 |
 Dundee United | 6 | 1 | 0 | 5 | 0 | 0 | 1 | 0 |
 Hearts | 6 | 0 | 1 | 5 | 0 | 0 | 0 | 0 |
 St. Johnstone | 6 | 1 | 1 | 4 | 2 | 0 | 1 | 0 |
 Falkirk | 5 | 0 | 1 | 4 | 0 | 0 | 0 | 0 |
The 2025/2026 Championship (Scotland) line for Thomas O'Brien: 33 appearances (2,897 minutes), 1 goal, 1 assist — 0.06 goal involvements per 90. Per-match rating over the season: 6.44.
His recorded league career runs from 2010 to 2025: 16 seasons across 5 clubs.
