NICK CAIN

The four-year ban given to Chris Mayor (right), the former Sale, Northampton and Wasps centre, after the RFU charged him with attempting to use and traffic the human growth hormone, humatrope, is a warning of the current difficulties the game faces.
The shift in the laws over the last 25 years that have changed the emphasis from Rugby Union being a largely aerobic contest which put a premium on evasion and mobility, to one in which players increasing their power and size in order to win collisions is paramount, has always carried a health warning for the sport. If young players ar...