#1 Spain vs Argentina (March 28)
Another top billing contest that puts two eminent nations at the loggerheads, what makes this tie truly special is the probability of witnessing Lionel Messi going against some of his Barcelona team-mates at Atletico Madrid's Wanda Metropolitano.
The last time this happened, the Blaugrana astro inflicted the kind of damage he normally enjoys doing in club colours; bagging a brace in a lopsided 4-1 victory in 2010.
Spain and Argentina haven't met since but would hold nothing back in their latest encounter that promises so much.
Both teams enter the tie on the back of an encouraging run, as the Albiceleste have lost only once in the last one year, while La Roja are on an unbeaten run since being ousted from Euro 2016 in the 2-0 defeat to Italy.
Mark the dates in your calendar already!