Angel Reese is one of the stars of a new three-on-three basketball league, Unrivaled. On Saturday, her team, Rose, was going up against Laces but things turned for the worst in the second quarter.

It may not seem like a lot to ask for a professional basketball player, but they're things WNBA players like Reese have not been accustomed to — until Unrivaled began this month. The new 3-on-3 ...