Everything you need to know about the Class of 2017

Michael Porter Jr. headlines stacked ESPN 100 (3:27)

Josh Parcell and Paul Biancardi break down the biggest movers in the ESPN 100 and how the Class of 2017 stacks up to last year's class. (3:27)

After four years of evaluating, the Class of 2017's basketball player rankings are final. There is plenty to learn about this group, so let's dive in.

1. Why Michael Porter Jr. finished on top

The onetime Washington signee is now headed to Missouri. After former Washington coach Lorenzo Romar was released, former assistant Michael Porter Sr. landed a job on the Tigers' staff, and his son followed. There is a top dog in every class, and Porter Jr. emerged as the clear No. 1 prospect.