Video will play in Play now Don't auto playNever auto playGold medal winner Mahe Drysdale has paid tribute to the departing Dick Tonks as the controversial coach signed off on his Olympic rowing career. "I couldn't have done it without him," Drysdale said of Tonks after the singles sculls veteran successfully defended his Olympic crown with back-to-back gold medal triumphs. "I don't think the whole New Zealand rowing programme would be where it is without him. "(It's) his sixth Olympic gold medal. But Drysdale successfully sought an exemption for Tonks to coach him in Brazil.

Source: New Zealand Herald August 13, 2016 22:30 UTC