| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2020 | First Division (Ireland) | 12 | 411 | 1 | 0 | 0.22 | — |
| 2021 | Premier Division | 8 | 303 | 0 | 0 | 0 | — |
| 2022 | First Division (Ireland) | 14 | 797 | 2 | 0 | 0.23 | — |
| 2023 | Premier Division | 4 | 90 | 0 | 0 | 0 | 6 |
| 2024 | Premier Division | 9 | 55 | 0 | 0 | — | — |
| 2024/2025 | Premiership | 13 | 106 | 0 | 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.
Cohort: 19 First Division (Ireland) midfielders, 2022, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-13
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Shamrock Rovers | 4 | 0 | 1 | 3 | 0 | 0 | 1 | 0 |
 Dundalk | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 Athlone Town | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 0 |
 Derry City | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
 St Patrick's | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Waterford United | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 UCD | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Galway United | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
 Cork City | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bohemians | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Shelbourne | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Finn Harps | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Ballymena United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Carrick Rangers | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Glenavon | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Larne | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Kerry | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Linfield | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Glentoran | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Cobh Ramblers | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Matthew O'Brien went through 13 Premiership appearances in 2024/2025 (106 minutes) without a goal or an assist. Among a 19-strong pool of First Division (Ireland) midfielders (2022, min. 450 minutes), his goal involvements per 90 sits in the 79th percentile, above the median — goals rank: 8th of 19.
