No one will be more pleased about the introduction of athletics repechage races than American 110 metres hurdler Freddie Crittenden because a mere jog in Sunday’s heats kept his Olympic dream alive. Crittenden came second in the US trials behind top favourite Grant Holloway but is fighting muscular problems in Paris. That would have most probably ended his Olympic adventure, or at least done more injury damage in the past when only the top four from each heat and the next four fastest advanced into the semis. But ruling body World Athletics has now done away with the lucky losers via time and …