Australia has complained to World Rugby about cashed-up French clubs "poaching" teenage talent, with chairman Daniel Herbert urging the global governing body to beef up its rules.

The South American proposal for the 2030 World Cup to feature 64 teams has received a serious blow with CONCACAF president Victor Montagliani rejecting the idea.

Delhi Capitals edged out Rajasthan Royals in the IPL's first Super Over of the season after pace bowler Mitchell Starc defended nine off the last over on Wednesday.