Six Nations Rugby announced last year that the law ... In that instance, a traditional red card means a player can’t be replaced by their team even after 20 minutes have elapsed.

WATCH MORE: Highlights: Wales 18-27 Ireland Watch highlights on Six Nations Rugby Special on BBC iPlayer. Available to UK users only. 'It's all about player safety' - Are 20-minute red cards working?

The 20-minute red card had already been introduced at ... where a joint statement from the French federation, the National Rugby League and the players’ union described the proposal as an ...