Kockott joined the club in 2011 and helped the win the Bouclier de Brennus in 2013 which also seen him earning his French national colours for his adopted country. He played for the Sharks and the Lions in South Africa before moving to France in 2011.
Kockott was widely tip to be included in Meyers Springbok team but the then Springbok coach opted or the younger local talent and Fourie du Preez at the time which gave the French the opportunity to pick him as an adopted player for France.
Even former South African coach Nick Mallett urged Kockott to confront Meyer about playing for the Springboks. In August 2014
On 8 November 2014 he debuted off the bench in the 40–15 win over Fiji. He made his run on debut on 7 February during the 2015 Six Nations Championship match against Scotland. France won 15–8.