AL KHOR, Qatar — This is how fine the margins can be: As the first bout between heavyweights of this World Cup ticked into injury time on Sunday, Álvaro Morata of Spain found himself cantering into the penalty area, the ball at his feet, goalkeeper Manuel Neuer’s net looming ever larger in his vision. Behind him, Nico Schlotterbeck of Germany was straining to close ground.
There were, at that point, two possible outcomes for Germany. They…