Deutsch 
| Position | Verteidiger |
| Nationalität |  |
| Geburtsort | Burlington, MA, USA |
| Größe | 188 cm |
| Gewicht | 84 kg |
| Geburtsdatum | 08.07.1995 |
| Jugendmannschaft | Burlington High |
| Schusshand/Fanghand | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2010-2011 | Burlington High | USHS-MA | - | - | - | - | - | | | ||||||
| 2011-2012 | Burlington High | USHS-MA | - | - | - | - | - | | | ||||||
| Eastern Mass Senators 16U AAA | MHSL U16 | 12 | 0 | 5 | 5 | 8 | | | |||||||
| 2012-2013 | Buckingham Browne & Nichols | USHS-Prep | 27 | 3 | 10 | 13 | - | | | ||||||
| Valley Jr. Warriors 18U AAA | MHSL U18 | 9 | 2 | 2 | 4 | 6 | | | |||||||
| 2013-2014 | Buckingham Browne & Nichols | USHS-Prep | 28 | 2 | 15 | 17 | - | | | ||||||
| Boston Jr. Bruins | USPHL Elite | 11 | 2 | 3 | 5 | 14 | | | Playoffs | 2 | 0 | 0 | 0 | 0 | |
| Boston Jr. Bruins | USPHL Premier | 1 | 0 | 0 | 0 | 0 | | | |||||||
| 2014-2015 | Boston Univ. | NCAA | 40 | 1 | 10 | 11 | 18 | | | ||||||
| 2015-2016 | Boston Univ. | NCAA | 28 | 0 | 5 | 5 | 10 | | | ||||||
| 2016-2017 | Boston Univ. | NCAA | 12 | 0 | 2 | 2 | 4 | | | ||||||
| 2017-2018 | Boston Univ. | NCAA | 17 | 2 | 2 | 4 | 28 | | | ||||||
| 2018-2019 | Wheeling Nailers | ECHL | 33 | 1 | 5 | 6 | 20 | | | ||||||
| Manchester Monarchs | ECHL | 10 | 0 | 3 | 3 | 2 | | | |||||||
| 2019-2020 | Greenville Swamp Rabbits | ECHL | 54 | 1 | 17 | 18 | 16 | | | ||||||
| 2020-2021 | Cergy-Pontoise | Ligue Magnus | 22 | 2 | 8 | 10 | 20 | | | ||||||
| Cergy-Pontoise | French Cup | 1 | 0 | 0 | 0 | 0 | | | |||||||
| 2021-2022 | Cergy-Pontoise | Ligue Magnus | 41 | 2 | 25 | 27 | 44 | | | Playoffs | 11 | 2 | 5 | 7 | 16 |
| Cergy-Pontoise | French Cup | 2 | 0 | 1 | 1 | 0 | | | |||||||
| 2022-2023 | Odense Bulldogs | Denmark | 42 | 2 | 10 | 12 | 16 | | | ||||||
| 2023-2024 | Sheffield Steelers | EIHL | 52 | 2 | 14 | 16 | 23 | | | Playoffs | 4 | 1 | 1 | 2 | 0 |
| Sheffield Steelers | EIHL Cup | 12 | 2 | 3 | 5 | 8 | | | |||||||
| 2024-2025 | Sheffield Steelers | EIHL | 9 | 1 | 6 | 7 | 6 | | | ||||||
| Sheffield Steelers | Champions HL | 8 | 0 | 2 | 2 | 27 | | | |||||||
| Sheffield Steelers | EIHL Cup | 10 | 0 | 2 | 2 | 6 | | |
Brien Diffley ist ein amerikanischer Eishockeyspieler.
