His mother, Uiatu "Joan" Taufua, was convicted and sentenced to nine months prison for assaulting two security guards at The Star casino in July 2022.[10] In December that year, she was involved in a car crash that led to three deaths,[11] after allegedly fleeing police earlier.[12] She was subsequently charged with three counts of manslaughter and dangerous operation of a motor vehicle, evading police and driving without a driver’s licence. She remains in custody.[13]
In May 2024, Haas's father Gregor Johann (March 23, 1978), alleged Sinaloa Cartel member was arrested in the Philippines and accused of running drugs in Indonesia. He faces the death penalty if extradited and convicted there.[14] In September 2024, Indonesian National Police IRD Head General Krishna Murti announced the Philippines and Indonesia discussed a Gregory Johann Hass-Alice Guoprisoner exchange.[15] Extradition talks resumed after Alice Guo was returned to the Philippines. [16]
In 2017, he played for the Broncos' NYC team.[19] After impressing for the Broncos NYC side throughout the year, he was called in to act as an Andrew Fifita "clone" at a QueenslandState of Origin opposed training session before game three of the 2017 series.[20] In September 2017, he was named at prop in the NYC Team of the Year.[21]
Haas scored nine tries in 18 games.
2018
In 2018, Haas played for the Broncos' Queensland Cup feeder side, Wynnum Manly Seagulls. In round 8 of the 2018 NRL season, he made his NRL debut for the Broncos against the South Sydney Rabbitohs.[22] Commentator Phil Gould remarked that his debut game was "the birth of a superstar."[23] He would go on to play two more games before missing the remainder of the season with an injured shoulder.[24] In July 2018, the Broncos re-signed Haas on a 6-year contract.[25]
2019
Haas, while fasting for his first ever Ramadan after converting to Islam in early 2019,[26] scored the first try of his NRL career against the Sydney Roosters in round 10 on Friday 17 May 2019 at Suncorp Stadium in Brisbane.[7]
Haas made 21 appearances for Brisbane in the 2019 NRL season as the club finished 8th on the table and qualified for the finals. Haas played in the club's elimination final against Parramatta which Brisbane lost 58-0 at the new Western Sydney Stadium. The defeat was the worst in Brisbane's history and also the biggest finals defeat in history.[31][32][33]
On 30 September, Haas was named at prop in the Australia PM XIII side. On 7 October, Haas was named in the Australian side for the upcoming Oceania Cup fixtures.
2020
Haas played 17 games for Brisbane in the 2020 NRL season as the club finished last on the table for the first time ever in their history. Brisbane only managed to win only three games for the entire year out of a possible 20 matches.[34]
2021
Haas made 20 appearances for Brisbane in the 2021 NRL season as the club missed the finals. He played in all three games of the 2021 State of Origin series which New South Wales won 2-1.[35]
2022
On 25 May 2022, Haas requested an immediate release from his Brisbane contract which was later rejected. In round 12 of the 2022 NRL season, Haas was booed by Brisbane supporters every time he touched the ball during the clubs victory over the Gold Coast.[36]
On 29 May 2022, Haas was selected by New South Wales to play in game one of the 2022 State of Origin series.[37]
To finish up his club year, Haas was awarded Brisbane's Player of the Year award again for the fourth time in a row.[38] He was later selected as a prop forward in the NRL team of the year at the Dally M Awards.
2023
On 22 May, Haas was selected by New South Wales for game one of the 2023 State of Origin series. Haas played in two matches for New South Wales as the blues lost the series 2-1.[39]
Haas played 23 matches for Brisbane in the 2023 NRL season. Haas played in Brisbane's 26-24 loss against Penrith in the 2023 NRL Grand Final.[40]
2024
In round 2 of the 2024 NRL season, Haas suffered a knee injury in Brisbane's victory over South Sydney. Haas was later ruled out for an indefinite period.[41]
On 26 May, Haas was selected by New South Wales ahead of the 2024 State of Origin series.[42]
Haas played in all three games as New South Wales won the series 2-1.[43] Haas was ruled out of the rest of the season after suffering a high ankle sprain, Haas would make a surprise return in the Broncos final match of the season.[44]
On 19 February 2019, Haas was suspended for four matches and fined $20,000 by Brisbane after he failed to cooperate fully with the NRL integrity unit regarding an investigation into off-field incidents involving family members.[46]
On 16 January 2021, Haas was charged with offensive language and intimidating police at Tweed Heads. On 4 February 2021, Haas was given a two-year good behaviour bond over the incident. On 8 February 2021, Haas was given a $50,000 fine by the NRL and a three-match suspension as further punishment for intimidating police.[47][48][49]
On 3 April 2022, it was announced that Haas had been placed under investigation by the Brisbane club after video footage emerged which showed Haas being involved in a drunken fight with teammate Albert Kelly.[50]