| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | Premier Division | 28 | — | 0 | 0 | — | — |
| 2011 | First Division (Ireland) | 23 | — | 6 | 0 | — | — |
| 2012 | Premier Division | 23 | — | 3 | 0 | — | — |
| 2013 | Premier Division | 24 | 720 | 0 | 0 | 0 | — |
| 2014 | Premier Division | 24 | 1682 | 3 | 0 | 0.16 | — |
| 2015 | Premier Division | 23 | — | 1 | 0 | — | — |
| 2016 | Premier Division | 19 | — | 2 | 0 | — | — |
| 2017 | Premier Division | 29 | 2018 | 7 | 0 | 0.31 | — |
| 2018 | Premier Division | 34 | 2772 | 4 | 0 | 0.13 | — |
| 2019 | First Division (Ireland) | 10 | 270 | 6 | 0 | 2 | — |
| 2020 | Premier Division | 16 | 960 | 3 | 0 | 0.28 | — |
| 2021 | First Division (Ireland) | 26 | 1885 | 15 | 0 | 0.72 | — |
| 2022 | Premier Division | 25 | 1304 | 6 | 1 | 0.48 | — |
| 2023 | Premier Division | 29 | 2333 | 4 | 3 | 0.27 | 7.01 |
| 2024 | Premier Division | 33 | 2094 | 0 | 0 | 0 | 6.8 |
| 2025 | Premier Division | 34 | 2668 | 2 | 1 | 0.1 | 6.82 |
| 2026 | Premier Division | 18 | 1170 | 2 | 1 | 0.23 | 6.63 |
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 2026-07-23
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Bohemians | 9 | 4 | 3 | 2 | 0 | 0 | 4 | 0 |
 St Patrick's | 9 | 0 | 5 | 4 | 0 | 0 | 5 | 0 |
 Sligo Rovers | 8 | 3 | 2 | 3 | 0 | 0 | 2 | 0 |
 Derry City | 8 | 3 | 3 | 2 | 0 | 0 | 1 | 0 |
 Waterford United | 8 | 4 | 2 | 2 | 0 | 0 | 3 | 0 |
 Shamrock Rovers | 7 | 0 | 2 | 5 | 0 | 0 | 3 | 0 |
 Galway United | 7 | 2 | 3 | 2 | 1 | 1 | 0 | 0 |
 Shelbourne | 7 | 2 | 3 | 2 | 0 | 0 | 0 | 0 |
 Cork City | 5 | 2 | 1 | 2 | 1 | 1 | 1 | 0 |
 Dundalk | 5 | 1 | 2 | 2 | 0 | 0 | 1 | 0 |
 Limerick | 4 | 3 | 0 | 1 | 1 | 0 | 0 | 0 |
 UCD | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Odd | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Finn Harps | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Athlone Town | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 Bluebell United | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 Malmö FF | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 1 |
 Şanlıurfaspor | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cabinteely | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Bray Wanderers | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In the 2026 Premier Division, R. Brennan made 18 appearances (1,170 minutes), with 2 goals and 1 assist — 0.23 goal involvements per 90. That season graded out at an average match rating of 6.63.
The record shows 17 league seasons for him (2010–2026) across 6 clubs. His ratings range from 6.63 (2026) up to 7.01 in 2023, Premier Division. The recent curve points down: 0.18 below his prior career average across the last two rated seasons.
