And the most important lesson he took from the 0-0 draw was that he and his team still have a lot of work to do before next month's World Cup opener against defending champion Germany.
With the deadline to set his tournament roster less than a week away, Osorio is faced with questions about a defense weakened by injury, a lineup sorely lacking in chemistry and the fitness of nearly half a dozen players. None of those questions was fully answered in a game that, at times, looked more like the audition it was than the game a crowd of 82,345 had hoped to see.