Rugby union has been adept at law trial for decades, but the proposition to bring 20-minute red cards into the game was a point of disagreement between leading players on Tuesday. The sport's global governing body World Rugby trialled the change in the Rugby Championship earlier this year,

French rugby chiefs have condemned the proposed trial of the 20-minute red card in elite levels of the game around the world, saying it could encourage more aggressive play and expose players to greater risk of injury.

French authorities are joining forces with players to oppose plans by World Rugby to introduce a 20-minute red card