Want to learn about one of AFL’s standout defenders? In this article, you will know Brennan Cox’s net worth, career earnings, career overview, stats, relationship, and more.
You’ll get a detailed look at how Cox climbed from his early days in South Australia to a booming professional career with the Fremantle Dockers, plus insights into his personal life and financial success.
Brennan Cox’s Biography
| Detail | Information |
|---|---|
| Full Name | Brennan Cox |
| Date of Birth | August 13, 1998 |
| Age | 26 |
| Education | Woodville High School (South Australia) |
| Nationality | Australian |
| Height | 195cm |
| Weight | 100kg |
| Turned Pro | 2016 (Drafted by Fremantle Dockers, Pick 41) |
| Net Worth | Estimated AUD 2 million |
| Salary/Career Earnings | 350,000 |
| Girlfriend/Partner | Keah Waters |
| Children | One son (born March 2024) |
| Instagram Profile | @brennan_cox36 |
Early Career
Brennan Cox grew up in Woodville South, Adelaide, where his passion for footy started at a young age. He shined for Woodville-West Torrens in the SANFL, quickly becoming known for his strong marking and elite skills in defense.
In 2016, Cox represented South Australia at the AFL Under 18 Championships and earned a spot in the All-Australian team as centre-half back. His consistent effort and natural athletic ability caught the attention of AFL scouts. This recognition lead to him being selected by Fremantle with pick 41 in the 2016 National Draft.
Professional Career
Cox made his AFL debut in 2017 for the Fremantle Dockers against Brisbane. During his first years, he played various roles, starting as a forward before transitioning to defense by 2020.
This switch saw him develop into one of the league’s most reliable key defenders. Cox’s defensive talents helped him earn a nomination for the 2018 AFL Rising Star and he stood out during the 2022 season, making the initial All-Australian squad.
Injuries hampered part of his 2024 campaign, but Cox’s return to the field showed his resilience and dedication. He continued as a core part of Fremantle’s backline, contributing both skill and leadership.
Partner
Brennan Cox’s partner is Keah Waters. The couple has been together for several years and share a strong, supportive relationship.
In March 2024, they welcomed their first child, a baby boy. Cox often shows his appreciation for Keah and their son through heartfelt posts on his social media profiles.
Their family moments highlight a loving and grounded dynamic, with Keah offering encouragement both at home and in Cox’s AFL career. Cox and Keah enjoy spending time with their child and value the role family plays in bringing stability and happiness into their lives.
Brennan Cox’s Net Worth Details
As of 2025, Brennan Cox’s net worth is estimated to be around AUD 2 million. This figure includes his AFL salary, match bonuses, and endorsements.
Contract
Cox signed a massive six-year contract extension with Fremantle, keeping him at the club until at least the end of 2030. He became the Dockers’ longest-contracted player, reflecting his importance to the team and their faith in his talents. The deal secured his career stability and assured Fremantle fans he would remain a key part of the squad for years.
Salary
Cox’s 2025 base salary is estimated at around AUD 350,000. His salary had ranged from around AUD 250,000 in the early years to above AUD 400,000 during his peak seasons. Salary may vary each year due to performance incentives and games played.
Career Earnings
| Year | Team | Games | Estimated Salary (AUD) |
|---|---|---|---|
| 2017 | Fremantle | 10 | $250,300 |
| 2018 | Fremantle | 16 | $310,200 |
| 2019 | Fremantle | 8 | $299,600 |
| 2020 | Fremantle | 13 | $418,200 |
| 2021 | Fremantle | 12 | $379,700 |
| 2022 | Fremantle | 21 | $404,400 |
| 2023 | Fremantle | 20 | $440,300 |
| 2024 | Fremantle | 9 | $381,900 |
| 2025 | Fremantle | 19 | $353,900 |
Career Stats
| Season | Games | Goals | Kicks | Handballs | Disposals | Marks | Tackles |
|---|---|---|---|---|---|---|---|
| 2017 | 10 | 4 | 56 | 56 | 112 | 47 | 16 |
| 2018 | 16 | 18 | 105 | 80 | 185 | 70 | 39 |
| 2019 | 8 | 5 | 31 | 45 | 76 | 29 | 20 |
| 2020 | 13 | 0 | 83 | 65 | 148 | 51 | 11 |
| 2021 | 12 | 0 | 87 | 55 | 142 | 56 | 11 |
| 2022 | 23 | 1 | 271 | 109 | 380 | 146 | 25 |
| 2023 | 20 | 2 | 210 | 128 | 338 | 151 | 19 |
| 2024 | 9 | 1 | 67 | 33 | 100 | 48 | 13 |
| 2025 | 7 | 1 | 55 | 27 | 82 | 36 | 5 |
| Career | 118 | 32 | 965 | 598 | 1,563 | 634 | 159 |
FAQs
1. What team does Brennan Cox play for?
He plays for the Fremantle Dockers in the Australian Football League, where he is a key defender and one of the team’s longest-contracted players.
2. How did Cox start his AFL career?
Cox started his AFL journey after being drafted from Woodville-West Torrens in the SANFL. Fremantle picked him in the 2016 national draft, and he debuted.
3. Who is Cox’s partner and does he have children?
His partner is Keah Waters. The couple welcomed a baby boy in March 2024, and Cox often shares moments from his family life with fans.
4. What is Brennan Cox’s salary?
His 2025 base salary is estimated to be around AUD 350,000, including potential match bonuses or endorsement income.
5. What are Cox’s main achievements on the field?
He earned a 2018 AFL Rising Star nomination, made the initial All-Australian squad, and set club records for marks in a game while helping Fremantle with strong defensive performances.
