The 2017 draft class finding its footing on the big stage for USA Basketball

ANAHEIM — You have to understand: One-upsmanship is nothing new between Jayson Tatum and Donovan Mitchell.
It might be possible that the dunks really had nothing to do with each other — that after Tatum rose up for a one-handed jam in the first half on Friday night against Spain, Mitchell skirted past a Spanish defender two minutes later and rocked the rim himself. But assuming that would be ignoring how long a history those two have, dating back to their days as high school prospect