With eight wins out of eight, Saturday sees two of the World Cup's perfect nations face off at the quarter-final stage. By the end of the match, one of those sides will maintain that 100 percent streak, while the other will be preparing to take the plane home.
Argentina and Belgium have talent to spare, and their last-eight clash will be a fascinating battle between two attack-minded teams. But which country goes into the match in the best form?
Taking the players who have performed the best in the World Cup so far, here is a combined starting line-up that brings together the finest Argentina and Belgium have to offer. Overall quality is not the defining factor here; what matters is their contribution to the teams' overall tournament progress.