A dynamic hooker, Crumpton has represented England at various underage levels having appeared for both the Under 18 and Under 20 sides.
Educated at The King John School in Thundersley, Essex, Crumpton is a graduate of the Saracens academy and has since progressed to the first-team squad. Crumpton joined Bristol in 2014 from Harlequins.
Crumpton has played 46 times for Bristol scoring 13 tries when he entered the 2017-18 season with the side.
On 1 September 2018, Crumpton scored a try on his competitive debut for Harlequins. Quin's beat Sale at home and Crumpton's second-half try topped a brilliant competitive debut in the Premiership.
In June 2020 Crumpton was forced to retire due to a hamstring injury suffered earlier in the season against Bath in a European fixture
SL June '20
|2012 - 2013|
|2014 - 2018|
|2013 - 2020|