2019 Xerri made his debut in round 4 of the
2019 NRL season against the
Parramatta Eels. Xerri went on from there and kept playing in the centres for the next two rounds of the season where he scored his first NRL career try against the
Penrith Panthers in round six. In round 10 against rivals the
St. George Illawarra Dragons, Xerri scored his first career hat-trick as Cronulla won the match 22–9 at
Kogarah Oval. The following week, Xerri scored two tries as Cronulla defeated Parramatta 42–22. In round 20, Xerri scored 2 tries as Cronulla defeated the
South Sydney Rabbitohs 39–24 at
Shark Park. In round 22 against St. George Illawarra, Xerri scored the winning try as Cronulla won the match 18–12 at
Shark Park. At the end of the 2019 regular season, Cronulla finished in 7th place on the table. Xerri played in the club's elimination final match which Cronulla lost 28–16 against
Manly at
Brookvale Oval with Xerri scoring a try in the loss.
2020 On 26 May 2020, Xerri was provisionally suspended after failing a drug test. On 1 September, Xerri's B-Sample returned and confirmed he had tested positive for the use of
anabolic steroids. The NRL released a statement saying “The National Rugby League (NRL) has today issued Cronulla Sharks player Bronson Xerri with a Notice of Alleged Anti-Doping Rule Violations under the NRL’s Anti-Doping Policy,” the NRL said in a statement. “This follows the return of a positive sample and completion of the anti-doping process administered by
Sport Integrity Australia. “The Notice alleges that Mr Xerri breached the policy through the presence, use and possession of Anabolic Androgenic Steroids prohibited by the World Anti-Doping Agency (WADA) and the NRL's Anti-Doping Policy".
2021 On 23 March, the NRL confirmed that Xerri had been formally suspended for four years following a ruling made by the NRL Anti-Doping Tribunal. Xerri would be free to resume his career from November 2023. In response to his appeal being rejected and the ban upheld, Xerri said “For all you haters calling me a drug cheat, you all have no clue how much I put in the work to be where I was, and to my loyal family and friends, words can't express how much you all mean to me. The comeback is on, 2024".
2024 On 15 February, Xerri played his first rugby league game in four years which came in a trial match for Canterbury against
Melbourne at
Belmore Sports Ground. In round 5 of the
2024 NRL season, Xerri made his debut for Canterbury in the NRL in their 30-26 victory over the
Sydney Roosters. Xerri played a total of 19 games for Canterbury in the 2024 NRL season as the club qualified for the finals finishing 6th. Xerri played in Canterbury's elimination final loss against Manly. On 28 November, Canterbury announced that Xerri had extended his contract until the end of 2027.
2025 In round 4 of the
2025 NRL season, Xerri scored two tries against his former club Cronulla in Canterbury's 20-6 victory. Xerri played 24 games for Canterbury in the 2025 NRL season as the club finished third and qualified for the finals. Canterbury would be eliminated from the finals in straight sets. == Statistics ==