A knockout blow for concussion?

Jack Anderson: "The issue of concussion in rugby is not one for the lawyers. Rule changes and protocols reflecting the best medical advice and research is key."

Regrettably, some of the dominant images thus far of Six Nations 2015 have related to concussion.

These incidents have stoked medical and legal comment. A number of sports physicians led by Dr Barry O’Driscoll, Brian’s uncle, have argued vehemently that existing pitchside concussion protocols may not be of a standard that sufficiently protects player welfare.