The Billikens (2-0) made just 2 of 10 3-pointers and shot 41 percent (9 of 22) to lead 29-26 at the half. In the second half they made all four 3-pointers and shot 73 percent (16 of 22) to outscore the Hawks (1-2) 45-24.
Saint Louis had a 37-25 rebounding advantage with French grabbing eight. The Billikens had a 35-10 advantage on points in the paint and 11-0 on second-chance points.
The four-star forward could be a star right away for coach Dave Leitao.
The Blue Devils and Wildcats have dominated recent classes, leaving little room for the other programs to stay at the top.
The Gavitt Tipoff Games features matchups between Big East and Big Ten schools, including Villanova facing Michigan.