Early career

A Parramatta City Titans junior, Twal played in the Holden Cup for the Parramatta Eels and was part of their extended first grade squad in 2015 and 2016. He played for the New South Wales under-20s and the Junior Kangaroos in both 2015 and 2016.^[2]

2017

Twal signed for the Wests Tigers midway through the 2017 season, from 2018 the end of 2020, before being granted an early release from Parramatta mid-season.^[3] He made his first grade debut on 2 July, one day before his 21st birthday,^[1] and played in the Tigers remaining eight games for the season, "putting in some seriously consistent performances off the bench."^[4] With 249 tackles made and only 5 missed, Twal had the best tackle percentage in the NRL over the regular season.^[5]

At season's end, Twal was selected for Lebanon in the World Cup. Teammate Tim Mannah said, "He reminds me of Nathan Brown where his personality is huge, and he's a player players love to play with. He brings a lot to a team. The Tigers are lucky to have him. He'll have a really strong career in the NRL." Coach Brad Fittler added, "He plays big minutes for a front-rower, he has a great work ethic, he's a top kid."^[6] After the pool rounds, he was leading the competition in tackles made.^[7]

2018

Twal made 21 appearances for Wests in 2018 as the club finished 9th on the table at the end of the regular season and missed out on the finals.^[8] He again led the competition with his effective tackle percentage.^[9]

2019

After round 17, Twal was rated as the 3rd hardest working player in the NRL. It was said, "Twal continues to keep producing in frightening statistics that continue to improve. The Lebanon international hasn't missed a single tackle since round 10 of the competition."^[10]

Twal made 24 appearances for Wests in the 2019 NRL season as the club finished ninth on the table and missed out on the finals. The club went into the final game of the season knowing that a win over Cronulla would guarantee themselves a finals place but they were defeated 25-8 at Leichhardt Oval.^[11][12][13]

On 19 November, Twal signed a two-year contract extension to stay with the club until the end of the 2022 season.^[14]

2020

Twal played 12 games for Wests in the 2020 NRL season as the club missed out on the finals by finishing 11th.^[15]

2021

Twal played a total of 23 games for the Wests Tigers in the 2021 NRL season as the club finished 13th and missed the finals.^[16]

2022

On 16 July, Twal was ruled out for the remainder of the 2022 NRL season due to three concussions he sustained throughout the year.^[17]

2023

In round 16 of the 2023 NRL season, Twal scored his first NRL try against the Melbourne Storm, in his 116th game.^[18] He grabbed a loose ball in the opponent's goal after a bomb. It was written, "Twal's dry spell had become so well publicised that even the referee and Storm players were caught up in the euphoria of the moment." Twal said after the match, "It's been a long seven or eight years, playing week in and week out and never getting a try. I've found the humour in it. It was a bit of a bittersweet moment, I would have much rather come away with the result. But it was good to get the monkey off my back."^[19][20] Twal played a total of 22 games for the Wests Tigers in the 2023 NRL season as the club finished with the Wooden Spoon for a second straight year.^[21] On 13 October, it was reported that Twal had signed a three-year contract extension to remain at the Wests Tigers until the end of the 2027 season.^[22]

2024

Twal scored his second career try during the round 12 match of the 2024 season in Wests Tigers loss to the Cowboys.^[23]