Lawmakers say the 20-minute red card is designed to "punish the player and not the team", with sides able to replace a dismissed player after 20 minutes. The men's Six Nations sta

This year's Six Nations will feature 20-minute red cards for the first time after the law variation was trialled during the November internationals, organisers said. Under the change, some red card offences will see a player sent to the sin bin for 20 minutes with the offender then able to be replaced on the field by a teammate off the bench when the punishment has been completed.