July 8 : Spain face Belgium on Friday in a World Cup quarter-final that pits one of the tournament's smoothest operators against a side emboldened by a thunderous 4-1 win over the United States that followed one of football's most bizarre political interventions.Belgium's victory came after extraordinary drama when U.S. striker Folarin Balogun's one-match ban for a red card was suspended after President Donald Trump personally urged FIFA President Gianni Infantino to review the case.Rudi Garcia's Belgium answered with a four-goal thrashing, securing a place in the quarter-finals.Now comes a rather different examination. Spain are unbeaten in 35 matches, a run that has turned Luis de la Fuente's team from promising European champions into a team that exert confident control over their oppon