No country has retained the World Cup since Brazil in 1962, but Germany arguably have the best chance since then of lifting football’s most coveted trophy for a second consecutive time. Joachim Low’s side admittedly failed to add the European crown to their world title in 2016, but their international set-up is so strong that they could afford to give most of their best players last summer off and still capture the dress-rehearsal Confederations Cup. Not only that, but the…