Adam O'Brien - Teams Played Against
| Team | Games | Tries | Goals | DropGoals | Points | First Game Against | Last Game Against |
|---|---|---|---|---|---|---|---|
| Barrow Raiders | 6 | 1 | 0 | 0 | 4 | 27 Mar 2022 | 31 Aug 2025 |
| Batley Bulldogs | 8 | 0 | 0 | 0 | 0 | 15 Mar 2015 | 20 Jul 2025 |
| Bradford Bulls | 4 | 0 | 0 | 0 | 0 | 18 Jun 2023 | 01 Aug 2025 |
| Castleford Tigers | 13 | 1 | 0 | 0 | 4 | 18 Aug 2013 | 26 May 2023 |
| Catalans Dragons | 16 | 3 | 0 | 0 | 12 | 27 Apr 2014 | 09 Feb 2025 |
| Dewsbury Rams | 7 | 1 | 0 | 0 | 4 | 06 Apr 2015 | 08 Sep 2024 |
| Doncaster | 6 | 3 | 0 | 0 | 12 | 03 Feb 2013 | 14 Sep 2025 |
| Featherstone Rovers | 7 | 2 | 0 | 0 | 8 | 10 Feb 2013 | 20 Jun 2025 |
| Halifax Panthers | 9 | 1 | 0 | 0 | 4 | 08 May 2011 | 14 Aug 2016 |
| Hammersmith Hill Hoists | 1 | 1 | 0 | 0 | 4 | 24 Feb 2024 | 24 Feb 2024 |
| Huddersfield Giants | 6 | 3 | 0 | 0 | 12 | 13 Mar 2011 | 20 Jul 2014 |
| Hull FC | 15 | 2 | 0 | 0 | 8 | 07 Mar 2014 | 16 Sep 2023 |
| Hull Kingston Rovers | 16 | 2 | 0 | 0 | 8 | 14 Aug 2011 | 08 Sep 2023 |
| Hunslet | 6 | 3 | 0 | 0 | 12 | 17 Feb 2013 | 17 Aug 2025 |
| Keighley Cougars | 2 | 0 | 0 | 0 | 0 | 12 May 2013 | 21 Jul 2013 |
| Leeds Rhinos | 13 | 3 | 0 | 0 | 12 | 20 Jul 2012 | 09 Apr 2023 |
| Leigh Leopards | 10 | 4 | 0 | 0 | 16 | 15 Feb 2015 | 12 May 2023 |
| London Broncos | 14 | 4 | 0 | 0 | 16 | 08 Jul 2012 | 05 Jul 2025 |
| Newcastle Thunder | 1 | 0 | 0 | 0 | 0 | 16 Jul 2023 | 16 Jul 2023 |
| North Wales Crusaders | 1 | 0 | 0 | 0 | 0 | 04 Sep 2011 | 04 Sep 2011 |
| Oldham | 8 | 2 | 0 | 0 | 8 | 06 Apr 2014 | 19 Sep 2025 |
| Rochdale Hornets | 3 | 0 | 0 | 0 | 0 | 21 Apr 2013 | 04 Feb 2024 |
| Salford Red Devils | 14 | 2 | 0 | 0 | 8 | 01 Apr 2013 | 20 May 2023 |
| Sheffield Eagles | 14 | 4 | 0 | 0 | 16 | 03 May 2013 | 10 Aug 2025 |
| St. Helens | 15 | 2 | 0 | 0 | 8 | 11 May 2014 | 18 Apr 2022 |
| Swinton Lions | 7 | 3 | 0 | 0 | 12 | 26 May 2013 | 18 Aug 2024 |
| Thatto Heath | 1 | 0 | 0 | 0 | 0 | 26 Jan 2025 | 26 Jan 2025 |
| Toronto Wolfpack | 1 | 0 | 0 | 0 | 0 | 11 Mar 2020 | 11 Mar 2020 |
| Toulouse Olympique | 4 | 0 | 0 | 0 | 0 | 01 Jun 2024 | 12 Jul 2025 |
| Wakefield Trinity | 18 | 4 | 0 | 0 | 16 | 09 Sep 2011 | 25 Aug 2024 |
| Warrington Wolves | 13 | 2 | 0 | 0 | 8 | 04 May 2014 | 29 Aug 2022 |
| Whitehaven | 11 | 1 | 0 | 0 | 4 | 24 Feb 2013 | 29 Sep 2024 |
| Widnes Vikings | 9 | 1 | 0 | 0 | 4 | 30 Mar 2014 | 07 Sep 2025 |
| Wigan Warriors | 13 | 1 | 0 | 0 | 4 | 19 Aug 2011 | 12 May 2022 |
| Workington Town | 8 | 1 | 0 | 0 | 4 | 28 Apr 2013 | 11 Sep 2016 |
| York Knights | 7 | 2 | 0 | 0 | 8 | 14 Apr 2013 | 27 Sep 2025 |