He has spent time on loan from Wakefield at the York City Knights, Oxford and Newcastle Thunder in League 1, and the Dewsbury Rams in the Championship.
He made his first team début against the Wigan Warriors in March 2014 and is the second-youngest forward ever to play for the club.
From 2014 to 2018 Crowther was loaned out to lower league clubs including two stints at Dewsbury Rams, this is not unusual in the development of a young forward.
In the 2019 season Crowther cemented his place as a regular in the back row and in turn gained a new contract at the club after a number of strong performances at Loose forward.
[6] On 8 June 2024, Crowther played in Warrington's 2024 Challenge Cup final loss against Wigan.