Gamble was born in Brisbane, Queensland, Australia. Gamble played his junior football at Albany Creek and moved to the Redcliffe Dolphins at age 16.[3]
Playing career
Early years
In 2016, when Gamble played in the Redcliffe Dolphins’ Brisbane Rugby League team, he won the Don McLennan Trophy for best player in the grand final.[3] Gamble progressed through to the grades to play for the Redcliffe Dolphins senior side in the Queensland Cup.[4] In May 2017, he signed a 2-year contract with the Wests Tigers starting in 2018.[5]
2018
Gamble started the season playing for the Wests TigersIntrust Super Premiership NSW team, Western Suburbs.[6] He played a part in the Magpies’ early successes that year – scoring a try in Round 1, and playing a leading role in his team's consecutive wins early in the year.
On 6 May, Gamble was selected for the Canterbury Cup NSW residents side to play against the Queensland residents representative team.[8]
On 25 June, it was announced that Gamble had been released from the Wests Tigers, effective immediate, to return to Queensland.[9]
On 29 June, Gamble was a late inclusion for his former junior club, the Redcliffe Dolphins, in their Round 15 clash against the previously undefeated Sunshine Coast Falcons. Redcliffe won the match with Gamble kicking five conversions.[10]
2020
In round 19, Gamble made his first start for Brisbane after appearing before off the bench. In the first sixty seconds of the game, Gamble was knocked unconscious after attempting to tackle Parramatta player Maika Sivo. He played no further part in the match which ended in a 26-12 defeat.[11]
2021
In round 8, Gamble was called into the Brisbane side for their match against the Gold Coast. Brisbane won the game 36-28 after being down 22-0.[12] It was Gamble's first win in the NRL. Commentator Billy Slater said, "He's the one organising play, he's the one talking and pointing. He is getting to the points and getting these plays on. He was outstanding in this game, he just gave so much structure and gave Milford that freedom."[13]
In round 10 against Manly-Warringah, Gamble was sent to the sin bin during the club's 50-6 loss.[14]
On 16 August, Gamble was suspended by the NRL for two matches after being placed on report for using a crusher tackle during Brisbane's 21-20 loss against the Sydney Roosters.[15]
2022
In September, Gamble signed a two-year contract with the Newcastle Knights starting in 2023.[16]
2023
In round 7 of the 2023 NRL season, Gamble scored a try and kicked one field goal during Newcastle's 16-15 golden point extra-time loss against Penrith.[17]
In round 24, Gamble scored two tries for Newcastle in their 42-6 victory over Canterbury.[18]
Gamble played a total of 24 games for Newcastle in the 2023 NRL season as the club finished 5th on the table. Gamble played in both finals games as Newcastle were eliminated in the second week of the finals by the New Zealand Warriors.[19]
2024
On 5 July, Gamble re-signed with the Newcastle outfit on a two-year extension.[20]
Gamble played 14 games for Newcastle in the 2024 NRL season as the club finished 8th and qualified for the finals. They were eliminated in the first week of the finals by North Queensland.[21]
