Under Luis Enrique the Spanish national team are on an upwards trajectory and their start to this inaugural UEFA Nations League has been flawless.An opening win at Wembley when they came from behind was followed up with a resounding six-goal thumping of Croatia in Elche, and Spain now have one foot in the final four already.Six points from six have Spain sitting comfortably, knowing that one more win, or two draws, will be enough to send them into the semifinals as group winners. The semifinals and final are set to be played between June 5 and 9, 2019,and the final four will involve the four group winners from League A.Remaining games:October 12, 2018: Croatia - EnglandOctober 15, 2018: Spain - EnglandNovember 15, 2018: Croatia - SpainNovember 18, 2018: England - Croatia