One of the most eagerly-awaited Six Nations will unfold over the next two months with Ireland and France frontrunners for the title.
Here the PA news agency looks at six players to watch over the 15 games.
Jac Morgan, Wales, flanker
Finn Russell, Scotland, fly-half
Ange Capuozzo, Italy, full-back
Ollie Hassell-Collins, England, wing
Josh van der Flier, Ireland, back row
Gregory Alldritt, France, number eight