Scouting Team USA: Early races for future NBA draft classes

Who will challenge James Wiseman for the No. 1 pick in 2020? Brian Rothmuller/Icon Sportswire

COLORADO SPRINGS, Colo. -- After scouting the top prospects across future NBA draft classes at this year's USA Basketball junior team minicamp, here are our biggest takeaways -- including the race for the 2020 No. 1 draft pick and a budding star who could usher in the end of one-and-done.