Scotland made history on Saturday as they beat Wales 27-26 in their Six Nations clash - their first win in Cardiff for 22 years.
Ireland ruthlessly exposed the absence of Antonie Dupont to launch their Guinness Six Nations title defence with a stunning 38-17 bonus-point demolition of 14-man France.
Scotland have made a surprise U-turn and agreed that the Principality Stadium roof will be closed for their Six Nations clash with Wales in Cardiff on Saturday.
England have revealed Marcus Smith could miss the entire Six Nations because of the calf injury that has already ruled him out of upcoming clashes against Italy and Wales.
France captain Gregory Alldritt is confident his team is ready to deliver against Ireland in the Marseille opener of the Six Nations on Friday evening.
New Ireland skipper Peter O'Mahony has dismissed suggestions Friday's "colossal" Guinness Six Nations curtain-raiser against France will be an early title decider.