BEAVERTON, Ore. -- It’s the same buildup you’d see for most professional sports seasons: a month’s worth of training; a few exhibition matches; then games, with coaches still feeling out a roster while players feel out their coaches. The only difference over the last month at the Timbers’ Training Center in Beaverton, Oregon, is the level of the players involved. Instead of professional athletes preparing as part of their job, the high-school-aged boys who make up the top three levels of the Portland Timbers’ Academy have spent each night building toward the coming season.
That season is part of U.