Rivals did this series and 2-of-4 predicted to Walker to Villanova, but not Bossi. Doesn't seem like anyone has firm grasp on where Walker ends up.
https://basketballrecruiting.rivals.com/news/predictions-where-will-the-2017-five-stars-land--1
https://basketballrecruiting.rivals.com/news/predictions-where-will-the-2017-five-stars-land--1