Even before the end of the 2018 FIFA World Cup Qualifiers and several squads yet to be selected in the remaining playoff rounds, the teams that will qualify for the tournament are already clear. Despite several unexpected good performances, there are also the other surprisingly disappointing teams otherwise with many star players at their hands. Those are the three greatest underperformers of the 2018 FIFA World Cup Qualifiers so far. Chile Chile undoubtedly has been one of the principals of…