After joining the Mavericks as the No. 1 overall pick, Cooper Flagg opted to return to his original jersey number worn up until last season at Duke.

The uncertainty surrounding how programs will pay players is directly affecting the timeline for high school prospects.

Some are still playing. Some have moved on to the NFL or away from the sport. In total, 60.3 percent (362 of 600) of players examined transferred at least once. Of that group, a third (33.4 percent) ...