Six young stars to watch out for in the 2017 Six Nations Championship

Ahead of the much anticipated Six Nations Championship, kicking off 4 February, we take a look at six up-and-coming players you should keep an eye on throughout the tournament. If you haven't yet seen the full squads, you can do so here. JACK CLIFFORD - England The Harlequins loose forward is a robust youngster eager to make an impact on the big stage - in more ways than one. Still just 23 years-old, Clifford already has two tries for England and has proven a more than capable stand-in for former captain Chris Robshaw. At 6ft4 and just a tad over 17st, Clifford has an intimidating presence on…