Wales captain Dan Biggar was left out of the 12-man shortlist . Former Wales flanker Martyn Williams has called for a change to the way the Six Nations organisers draw up the nominations . The current system is based upon performance statistics rather than balanced expert opinions . Warburton was one of the standout performers in the championship . Sam Warburton and Alun-Wyn Jones are the only Welsh nominations .
Wales captain Sam Warburton was left out of the 12-man shortlist . Former Wales flanker Martyn Williams has called for a change to the way the Six Nations organisers draw up the nominations . The current system is based upon performance statistics rather than balanced expert opinions . Warburton was one of the standout performers in the championship . Dan Biggar and Alun-Wyn Jones are the only Welsh nominations .