In this week’s Sport: concussion - footballers, rugby players, wrestlers and NFL stars risk their futures by playing through it, but what are the consequences? | From Liverpool to La Paz: we count down the 20 most passionate football derbies | England rugby league captain James Graham profiled | Laura Trott on riding cobbles, EastEnders and pizza | Jonathan Albon: the world’s best obstacle course racer on smashing through American bravado | Monstrously successful dartist Phil Taylor on his continuing appetite for glory | Team Rwanda: from the ashes of genocide, a cycling phoenix has risen
