Having joined the club as a junior, Griffin made his professional début for Wakefield Trinity Wildcats in a Challenge Cup victory against Salford on 20 April 2008.[6]
Griffin spent most of 2010 on loan at Batley, and rejoined Wakefield Trinity Wildcats in 2011.[citation needed]
Castleford Tigers
He signed for Castleford Tigers in September 2011, and played for them in 2012 before leaving the club to join rugby union club; Leeds Carnegie with immediate effect at the end of the season.
Batley Bulldogs
He returned to rugby league in 2014 with Batley.[citation needed]
Salford Red Devils
In 2014, Griffin initially joined Salford Red Devils on a trial for the end of the 2014 season before securing himself a permanent two-year deal.[citation needed]
In the 2020 Super League season, he made a total of 16 appearances. He played in Hull's 29–2 semi-final defeat against Wigan. In the first half, Griffin gave away a crucial penalty after Wigan had lost possession of the ball. Griffin raced over to Wigan player Oliver Partington and patted him on the head which sparked an all-in brawl. Wigan would then score two tries in quick succession from the resulting penalty.[8]
In May 2021, Griffin scored his 100th career try in a match against the Leeds Rhinos. The match was Leeds' first home fixture in front of a home crowd for over 400 days as national restrictions were eased during the coronaviruspandemic.[9]
In the 2021 Challenge Cup semi-final, Griffin ruptured his achilles during Hull FC's 33–18 loss against St Helens RLFC.[10]
In round 14 of the 2023 Super League season, Griffin scored a hat-trick in Hull FC's upset victory over Warrington.[11]
In the 2023 Challenge Cup quarter-final, Griffin was sent off for dissent just after half-time whistle in Hull FC's match against St Helens. St Helens would go on to win the match 32–18.[12]
On 20 June 2023, Griffin was handed a seven-game ban by the RFL and fined £1000 over the incident.[13]
Wakefield Trinity
In July 2023, Griffin signed a contract to join Wakefield Trinity which would last until the end of 2024.[14]
Personal life
Griffin is the younger brother of the rugby league player Darrell Griffin,[15] and the older brother of George Griffin. All three brothers played together for Salford in 2015.