After helping Ireland enjoy a dominant 2018, Johnny Sexton was named the World Rugby Player of the Year.
Jared Rosser scored two tries as the Dragons claimed a much-needed victory in Sunday's Pro14 action.
There were wins for Clermont Auvergne and La Rochelle in the Top 14 on Sunday.
Leicester Tigers almost took advantage of Saracens' ill-disciplined display, but fell short in a Premiership cracker at Welford Road.
France were stunned by Fiji in Paris, a defeat labelled as "shameful" by Mathieu Bastareaud.