Japan head coach Eddie Jones believes Springbok scrumhalf Grant Williams is the fastest No.9 in the game.
The two South Africa U18 squads have rotated extensively for their second-round matches of the U18 International Series in Boland Landbou near Wellington.
Springbok coach Rassie Erasmus named an exciting team for their opening Castle Lager Rugby Championship match against Australia at Ellis Park on Saturday.
South Africans Benhard Janse van Rensburg, Hanro Liebenberg and Jacques Vermeulen could become eligible for Steve Borthwick's England in time for the next Rugby World Cup.
Former Scotland coach turned pundit Matt Williams has drawn the ire of Springbok coach Rassie Erasmus once again.
Wallabies head coach Joe Schmidt will be free to select overseas-based players moving forward, Rugby Australia director of high performance Peter Horne has confirmed.