He played youth rugby for the Border U19 team in the 2009 and 2010 Under-19 Provincial Championships, before representing the University of Fort Hare in the Varsity Shield competition in 2013 and 2014.
He made his first class debut for the Border Bulldogs in the 2014 Vodacom Cup, coming on as a replacement in their match against the Free State XV in Bloemfontein,[2] before making his first start a fortnight later in their match against the Boland Cavaliers.
[3] He made five appearances in the 2014 Currie Cup qualification series – scoring his first senior try in a 40–54 defeat to the Falcons in Kempton Park.
[6] He remained with the East London-based team until 2017, making a total of 44 appearances in four seasons.
In August 2017, the Port Elizabeth-based Southern Kings franchise announced that they signed Zono for the 2017–18 Pro14 season, their first campaign in the competition after losing their Super Rugby membership.