By ROB COLE

The extent of the impact Wales newbie Mackenzie Martin is making this season can be judged in many ways.
His club, Cardiff Rugby, are delighted with his progress and awarded the home-grown 20-year-old his first senior contract in January and have played him 10 times this season.
Warren Gatland took a punt on the 6ft 5in, 18st 4lb back rower in his Six Nations squad and gave him a debut off the bench in the defeat in Dublin against the Irish.
The other metric is how the people of Ely, where he was born and raised, are reacting to his dramatic rise as a professional sportsman. I...