Education
Gubb attended Wellington College and played for their first XV rugby union side before switching to rugby league in 2008, playing for the University Hunters club in the Wellington Rugby League competition.
Gubb attended Wellington College and played for their first XV rugby union side before switching to rugby league in 2008, playing for the University Hunters club in the Wellington Rugby League competition.
He signed with the New Zealand Warriors in 2010, turning down offers from the Manly Warringah Sea Eagles and the Wests Tigers. After signing with the New Zealand Warriors, Gubb played for their Toyota Cup side in 2010. Following the 2010 season, Gubb moved to Australia and joined the Wynnum Manly Seagulls in the Queensland Cup.
In 2012, he was selected to play for the Queensland Residents side.
Gubb returned to Auckland in 2013 and trialled with the Warriors on a pre-season contract. Gubb earned a full-time contract with the club and spent the first half of the year playing NSW Cup with the Auckland Vulcans.
His contract was extended until the end of 2014 in June and, after several games as 18th man, Gubb was named to make his first grade debut for the Warriors on 7 July 2013 after Russell Packer withdrew due to injury.