Games in Miami and Monterrey were at heat level a players’ union had warned in the past should trigger delaysTwo of the first round of matches at the World Cup were played at a level of severe heat that a football players’ union has previously said should trigger the delay or postponement of games, a Guardian analysis has found.A further four games were played in cities with temperatures also beyond that level of heat, though conditions inside the stadiums were mitigated by air conditioning. Continue reading...