The UEFA Nations League, the international football tournament designed to replace friendlies, has returned for its fourth edition. In Group B2, England and the Republic of Ireland are set to face each other in Dublin, while Scotland begins their campaign in League A against Portugal after a heartbreaking loss to Poland. Northern Ireland has already secured a victory in League C, defeating Luxembourg, while debutants Wales, led by new manager Craig Bellamy, face Turkey and Montenegro in Group B.