利亞姆•普倫

From York, Pullen made his debut at Q School in 2021 as a fifteen year-old and his performances included a win over former professional James Cahill. In July 2022 he made his first maximum break, while practising in Leeds.

Pullen reached the final the WSF Junior Snooker Championship held in Sydney, Australia in February 2023, with a highest break of 143. In the final he lost to his compatriot Stan Moody. In March 2023, he reached the final of 2023 EBSA European Snooker Championships in Malta where he was defeated by Hungarian Bulcsú Révész.

In April 2023 Pullen won the English under-18 title defeating Oliver Sykes 4-2 in the final. In April 2023 Pullen also won through to face Leeds’ Daniel Womersley in the final of the Yorkshire Snooker Championship, held at the Northern Snooker Centre. That month he also retained his Yorkshire under-19 title he first won in 2022.

Pullen came back from a 3-0 deficit to defeat Craig Steadman 4-3, playing as a seventeen year-old at the 2023 Q School. His performances led him to earning a two-year card on the World Snooker Tour starting with 2023–24 snooker season.

2023/24 season

Pullen made his professional debut in the draw for the 2023 Championship League held at the Morningside Arena in Leicester, England from 26 June 2023. In his opening match he was defeated by world number 31 Chris Wakelin. In the round-robin phase he drew with Oliver Lines, and recorded his first professional win, over Ukraine's Anton Kazakov. Pullen recorded the biggest win of his career when he defeated former world champion Graeme Dott in qualifying for the 2023 International Championship in September 2023. He followed up that win by defeating Noppon Saengkham in a decider at the event in Tianjin to reach the last-32 of a ranking event for the first time. He also reached the last-32 of the 2023 Snooker Shoot Out in December 2023. Later that month, he qualified for the 2024 German Masters with a win over former world champion Stuart Bingham. He qualified for the 2024 Welsh Open with a 4-0 win over Rebecca Kenna. In the first round of qualifying for the 2024 World Snooker Championship he defeated Anton Kazakov 10-3.