No one questions the commitment of elite footballers when they’re battling it out on the field. They’re not only willing to put their bodies through hell for victory, it’s expected of them. Sometimes the hits are so hard the players are knocked senseless. But where it used to be considered a badge of honour to get up and play on after being concussed, now brain trauma is being recognised for what it really is: a massive headache for the participants and administrators in all contact sports. And it has led to some of our greatest former athletes once again showing what heroes they really were.