Thompson played his junior rugby league for the Ivanhoe Roosters and Forbes Magpies and attended Red Bend Catholic College before being signed by the Canberra Raiders.

[8] Thompson was later proven not guilty and returned towards the end of the season in round 18 against the Newcastle Knights playing off the interchange bench in the club's 23–4 loss at Hunter Stadium.

[9][10] In round 22 against the Canterbury-Bankstown Bulldogs, Thompson scored his first NRL career try in the club's 23–20 loss at ANZ Stadium.

Thompson season ended in round 17 against the Sydney Roosters after succumbing to a groin injury in the 22–12 win at Canberra Stadium.

[20] In Round 1 of the 2014 NRL season, Thompson made his club debut for the St George Illawarra Dragons against the Wests Tigers, playing off the interchange bench in the 44–24 win at ANZ Stadium.

[24] Thompson finished off his first year with the St George Illawarra Dragons in the 2014 season with him playing in 23 matches and scoring 3 tries.

[33] In Round 1 against the Penrith Panthers, Thompson scored his first career hattrick of tries in the Dragons impressive 42–10 win at Jubilee Oval.

On 22 December 2017, Thompson was granted a release from his final year of contract with St. George to sign a 2-year deal with the Manly-Warringah Sea Eagles, starting in 2018.

[35][36] In round 1 of the 2018 NRL season, Thompson made his club debut with the Manly-Warringah Sea Eagles against the Newcastle Knights, starting at second-row in the 19-18 golden point extra time loss at Hunter Stadium.

[39][40][41] On 9 October, Thompson was airlifted to the Royal North Shore Hospital in Sydney after falling over and hitting his head in what the player described as a "a real bad accident".

Thompson then posted a photo of himself on Instagram lying in a hospital bed in a neck brace and with tubes connected through his mouth.

Underneath the photo was a caption saying "Hey everyone I’ve had a real bad accident – won’t be talking to anyone for another week.