Early career In 2012 and 2013, Campbell-Gillard played for the
Penrith Panthers NYC team. On 24 April 2013, he re-signed with the Penrith club on a three-year contract. On 27 August 2013, Campbell-Gillard was named on the
interchange bench in the 2013 NYC Team of the Year. On 6 October 2013, Campbell-Gillard played in Penrith's
Holden Cup Grand final against the
New Zealand Warriors, starting at prop in the 42-30 victory. On 13 October 2013, Campbell-Gillard played for the
Junior Kangaroos against the
Junior Kiwis, playing off the interchange bench in the 38-26 win at
Jubilee Oval. In 2014, he graduated to the Panthers'
New South Wales Cup team. In 2014, Campbell-Gillard graduated to the Panthers
New South Wales Cup team. On 3 May 2014, Campbell-Gillard made his international debut for
Fiji against
Samoa in the
2014 Pacific Test, playing off the interchange bench in the 32-16 loss at
Penrith Stadium. On 19 October 2014, Campbell-Gillard would again play for Fiji against
Lebanon in the
2014 Hayne/Mannah Cup, starting at prop in the 40-28 win at
Shark Park.
2015 In January 2015, Campbell-Gillard was named in Penrith's
2015 NRL Auckland Nines squad. In Round 1 of the
2015 NRL season, Campbell-Gillard made his
NRL debut for the
Penrith Panthers against the
Canterbury-Bankstown Bulldogs, playing off the interchange bench in the 24-18 win at
Penrith Stadium. After playing in eight matches for the Penrith club, on 3 May 2015, Campbell-Gillard was selected to play for
City Origin against
Country Origin, playing off the interchange bench in the 34-22 loss in
Wagga Wagga. On 9 June 2015, Campbell-Gillard re-signed with the Penrith club on a four-year contract. In Round 23 against the
New Zealand Warriors, Campbell-Gillard scored his first NRL career try in the 24-10 win at
Penrith Stadium. Campbell-Gillard finished his debut year in the NRL, playing in all of Penrith's 24 matches and scoring one try in the
2015 NRL season. On 26 September 2015, Campbell-Gillard played for the
Prime Minister's XIII against
Papua New Guinea, starting at prop in the 40-12 win in
Port Moresby.
2016 On 8 May 2016, Campbell-Gillard again played for City Origin against Country Origin, starting at prop in the 44-30 win in
Tamworth. In Round 25 against the
Gold Coast Titans, Campbell-Gillard suffered a season ending back injury after he was hit by a late shoulder charge in the back by
Ryan James during the Penrith club's 15-14 win at
Robina Stadium. Campbell-Gillard had 2 vertebrae fractured and couldn't change out of his playing kit for 2 days due to the seriousness of the injury. Campbell-Gillard finished the
2016 NRL season playing in 20 matches and scoring two tries for the Penrith club.
2017 On 10 February 2017, Campbell-Gillard returned from a broken back to represent his Fijian heritage while playing for the
World All Stars against the
Indigenous All Stars, starting at prop in the 34-8 loss at
Hunter Stadium. After showing great form at the front when the Penrith club climbed up the ladder to make it into the finals series after winning 11 from 13 matches, at the
2017 Dally M Awards night, Campbell-Gillard received the inaugural Dally M Interchange Player of the Year award. Campbell-Gillard finished his best season up to date playing in all of Penrith's 26 matches and scoring three tries in the
2017 NRL season. On 4 October 2017, Campbell-Gillard was awarded with the Merv Cartwright Medal as the
Penrith Panthers Player of the Year. After he was originally going to play represent Fiji in the
2017 Rugby League World Cup, on 5 October 2017, Campbell-Gillard received a well deserved call up into the
Australia Kangaroos 24-man squad after the withdrawal of
Andrew Fifita who switched over to play for
Tonga. On 27 October 2017, Campbell-Gillard made his international debut for Australia against
England, playing off the interchange bench in the 18-4 win at
AAMI Park. Campbell-Gillard played in 5 matches in the tournament including playing off the interchange bench in the Kangaroos 6-0 gritty World Cup Final win over England at
Suncorp Stadium.
2018 Campbell-Gillard started the
2018 NRL season in good form up front as the Penrith Panthers were holding into a spot in the top 4. Campbell-Gillard's efforts would reward him with selection in the
New South Wales squad. On 6 June 2018, Campbell-Gillard made his representative debut for New South Wales in Game 1 of the
2018 State of Origin series against
Queensland, starting at prop as the Blues won 22-12 at the
MCG.
2019 On 14 September 2019, Campbell-Gillard was granted a release by Penrith to take up a five-year deal with the
Parramatta Eels that would end in 2024. Campbell-Gillard later spoke of his move to Parramatta saying “I've known this club for nearly 10 years. You want to be a one-club man, but we're in a business that doesn't allow you for it, I'm nervous, excited, but sad at the same time, to move on, It was one of those years that I really want to forget, I really hated rugby league this year. It's just been a frustrating year.
2020 Campbell-Gillard made his debut for Parramatta in round 1 of the
2020 NRL season against arch rivals
Canterbury-Bankstown. Parramatta would go on to win the match 8-2. In round 11 against
Wests Tigers, Campbell-Gillard scored his first try for Parramatta, a 50-metre solo effort in which he beat three Wests players on the way to the try line. Parramatta would go on to win the match 26-16 at
Bankwest Stadium. He made a total of 21 appearances for Parramatta in the
2020 NRL season as the club finished third but were eliminated from the finals in straight sets.
2021 In round 10 of the
2021 NRL season, he scored two tries for Parramatta in a 34-18 victory over the
New Zealand Warriors. In round 20, Campbell-Gillard was taken from the field during Parramatta's 28-0 loss against the
Sydney Roosters. Campbell-Gillard was later ruled out for an indefinite period with a hamstring injury. Campbell-Gillard played 20 games for Parramatta in the
2021 NRL season including both of the club's finals matches as they were eliminated from the competition at the semi-final stage for the third consecutive season. In late October 2021, Campbell-Gillard announced he was not activating his player option, which would make him a free agent in 2023. On 5 November, Campbell-Gillard re-signed with Parramatta until the end of 2025, which was worth up to $2.4 million.
2022 On 29 May, Campbell-Gillard was selected by New South Wales to play in game one of the
2022 State of Origin series. On 19 June, Campbell-Gillard was not selected for game two of the series after New South Wales had lost the opening match 16-10. In the 2022 preliminary final, Campbell-Gillard scored two tries for Parramatta in their 24-20 upset victory over
North Queensland at the
Queensland Country Bank Stadium. The club reached their first grand final since 2009. Campbell-Gillard played at prop in Parramatta's
2022 NRL Grand Final loss to
Penrith. In October, Campbell-Gillard was named in the
Australia squad for the
2021 Rugby League World Cup. Campbell-Gillard played for Australia in the 2021 Rugby League World Cup final where they defeated Samoa 30-10 to claim their 12th title.
2023 In round 8 of the
2023 NRL season, Campbell-Gillard was taken from the field during the second half after a tackle by Brisbane's
Payne Haas. Despite two other players being sent to the sin bin during the game for similar tackles, Haas remained on the field. On 26 April, the Parramatta club announced Campbell-Gillard would be ruled out for at least two months with a high grade groin injury. On 3 July, Campbell-Gillard was selected by New South Wales for game 3 of the
2023 State of Origin series. During Parramatta's round 20 victory over the Gold Coast, Campbell-Gillard was placed on report and sin binned for a late tackle on
Chris Randall where he fell over the top of the player with his knees hitting Randall in the back. Campbell-Gillard was later handed a four-match suspension over the incident. Campbell-Gillard played a total of 14 games for Parramatta in the 2023 NRL season as the club finished 10th on the table.
2024 Campbell-Gillard played 24 games for Parramatta in the
2024 NRL season as the club finished 15th on the table. On 10 September, he was granted a release from the final year of his contract. On the same day, Campbell-Gillard was awarded with the Ken Thornett medal after being voted the clubs best player of the season. On 4 October, Campbell-Gillard signed a three year deal to join the
Gold Coast Titans in 2025.
2025 On 16 January, the Gold Coast outfit confirmed that Campbell-Gillard had injured his shoulder during pre-season training and would miss a month, the team confirmed he would be ready for Gold Coast's first game of the season in round 2. Campbell-Gillard made his club debut for the Gold Coast in round 2 of the
2025 NRL season against Canterbury at
Belmore Sports Ground which ended in a 40-24 loss. Campbell-Gillard played 24 games for the Gold Coast in the 2025 NRL season as the club narrowly avoided the wooden spoon finishing 16th. On 19 September, it was reported that wife of Campbell-Gillard took a parting shot at the Gold Coast club by advertising the player's training gear on Facebook marketplace with a picture of the items being shown out on the front lawn. The caption attached to the picture read “Any Gold Coast Titans supporters want a travel bag filled with 2025 training gear". On 7 October the Gold Coast outfit announced that Campbell-Gillard was released from his contract and would depart the club for the London Broncos.
2026 In January 2026
Wally Lewis presided over a ceremony in which Campbell-Gillard was named as captain of the
London Broncos for the
2026 RFL Championship season, taking over from long-term captain
Will Lovell. In Round 1 he scored a try on his debut for
London in the win over the
Widnes Vikings. ==Boxing==