[citation needed] Thompson made his Super League debut during the 2013 season in the Saints' 21-14 round 9 loss against the London Broncos.

[4] St Helens reached the 2014 Super League Grand Final and Thompson was selected to play from the interchange bench in their 14-6 victory over the Wigan Warriors at Old Trafford.

Thompson continued playing with St Helens during the 2016 Super League season, including their 10-18 semi-final loss to Warrington Wolves.

[13][14][15] On 4 February, it was announced Thompson had signed a three-year deal with Canterbury-Bankstown Bulldogs in the National Rugby League (NRL).

[18] Thompson made 10 appearances for Canterbury in the 2020 NRL season as the club narrowly avoided the wooden spoon finishing 15th on the table.

Canterbury general manager Phil Gould later revealed that the injury was quite serious, and initial prognosis was minimum 6 months recovery.

[25][26][27] Thompson made his return on 28 July off the bench in Round 22 of the NSW Cup season, making 10 runs for 103 metres.

[30] On 12 October, Thompson played in Wigan's 9-2 2024 Super League grand final victory over Hull Kingston Rovers.