Former Wales flanker Martyn Williams says it would be a mistake to split an expanded Pro12 into two conferences.
Pro12 derbies would be protected if the league splits into two conferences after the arrival of Cheetahs and Southern Kings.
Ken Owens believes the Lions' drawn series in New Zealand could help Wales claim a first win against the All Blacks since 1953.
Former Edinburgh head coach Alan Solomons warns South African teams joining the Pro12 would be at a "distinct disadvantage".
Audio & Video
Lions and Wales centre Jonathan Davies says tours must continue for the sake of players and fans after a thrilling New Zealand series.
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This week's sport on the BBC includes The Open, the conclusion of the Women's Cricket World Cup and action from the World Para-athletics Championships in London