Former Sharks scrumhalf Rory Kockott has signed a new three-year deal with French club Castres.
Kockott joined the Top 14 side in 2011, and quickly established himself as one of their most valued players, particularly as a result of his accurate goal-kicking.
The tenacious No 9 has earned 11 caps for France after qualifying to play for his adopted country, and was included in their World Cup squad last year.
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