England's rugby union head coach Eddie Jones (R) gives instructions as Dan Cole (L) and Mako Vunipola (C) look on during a public training session at Twickenham Stadium, south west of London on January 29, 2016. 

The latest edition of the Six Nations Championship, Europe's elite international competition, begins on February 6 amid much soul-searching in northern hemisphere rugby union. / AFP / ADRIAN DENNIS        (Photo credit should read ADRIAN DENNIS/AFP via Getty Images)