[4] In round 9, 2012 he was sent off for striking North Queensland captain Johnathan Thurston with his elbow, with his charge referred directly to the NRL Judiciary.
Prior played at prop in the grand final against Melbourne which Cronulla won 14–12, claiming their first premiership since entering the competition in 1967.
Prior made a total of 25 appearances for Cronulla in the 2019 NRL season as the club finished 7th on the table and qualified for the finals.
[12] Prior played a total of 23 games for Leeds in the 2021 Super League season including the club's 36–8 loss against St Helens in the semi-final.
[14] On 24 September 2022, Prior played for Leeds in their 24–12 loss to St Helens RFC in the 2022 Super League Grand Final.
He attended a three-day camp at Homebush January 2013 co-ordinated by coach Ricky Stuart for players deemed to have potential to feature in future New South Wales Origin teams.