[3] Early in 2013, French was pursued by six NRL clubs; Parramatta, Melbourne, Newcastle, the Gold Coast, Penrith and St. George Illawarra.
[10][11] In Round 15, against the South Sydney Rabbitohs, French scored his first double in Parramatta's 30-12 win at ANZ Stadium.
[16][17][18] French started the 2018 season at fullback ahead of Clint Gutherson who was still out with an injury and the returning Jarryd Hayne.
He was then recalled to the side to face Canberra but was slammed by fans and the media after the match due to the fact that he only made one run for the whole game making 15 metres.
[20] On 13 July 2018, Parramatta who were in last place on the ladder played against Newcastle and with 34 seconds remaining French crossed over to score the match winning try only for the decision to be overturned due to video replays showing French had put a foot into touch while grounding the ball.
[21] On 7 August, French was demoted to reserve grade by coach Brad Arthur after a number of mixed performances.
It came in the wake of French speaking to the media a week earlier declaring he was open to the idea of leaving Parramatta if he was not given a chance to play fullback.
[22][23] French was left out of the Parramatta's 2019 NRL squad, with head coach Brad Arthur selecting Blake Ferguson and Maika Sivo for wing and Clint Gutherson for fullback.
French made his debut appearance for Wigan against Hull KR coming off the bench in a 36-18 victory.
[27] French played in the 2020 Super League Grand Final for Wigan which the club lost 8-4 against St Helens.
With the scores at 4-4 and less than ten seconds on the clock, St Helens attempted a long range field goal which hit the right hand upright.
In the Challenge Cup Last 16 away to Leeds the following week, French scored twice and crucially denied Harry Newman a certain try as Wigan came back to win 18-14.
[41] In October French was named as the winner of the 2023 Steve Prescott MBE Man of Steel award.
[42] On 14 October, French played in Wigan's 2023 Super League Grand Final victory over the Catalans Dragons.
[43] On 24 February, French played in Wigan's 2024 World Club Challenge final victory over Penrith, and was awarded Man of the Match.
He scored one try in the game (plus another ruled out by VR) in the 18–8 victory over Warrington, and was awarded the Lance Todd Trophy as man of the match.
[48][49] Sky Sports praised French at the end of the season for consistent ability to change the course of a game with individual skill.