We were in as good of physical shape as anyone. This was evidenced by how much we were on defense (maj of every game). This wears you out more physically because you have to chase the ball all over the field. Yet in it til the end of every match -- nearly stealing it from Belgium to advance, right at the end (poor Wondo will never forget that miss). Translation = we were in great shape.
Our problem is that we are just not as good on the ball -- they call it "technical" or "quality on the ball." Our passes are not as sharp. We give the ball away too easily. We panic in the back, and usually just blast the ball to get it out -- while other teams take care of it to keep possession.
On the other hand, we are athletic, tough, physical and play hard. This is always enough to get us out of CONCACAF and into the field. But, it is not enough to get us beyond the Sweet 16.
This is the job going forward, finding those players with ball skillz. It explains one reason why Klinns dipped into Germany so hard for players. They do it differently there. The kids come up learning these things, the hard way. But, IMO, once this primary weakness of ours is dealt with (at the youth level), we are a regular fixture in the late rounds of the WC going forward. And at some point will win it all. Which they will hate us for. Haha. Can't wait.