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.
No. 6 Purdue snaps a three-game losing streak with a close 76-73 win over Penn State.
Daejon Davis scored 22 points before fouling out, Dorian Pickens made two free throws with 8.7 seconds remaining and Stanford overcame an erratic second half to beat California 77-73 on Sunday.
Carsen Edwards scored 27 points to lead sixth-ranked Purdue to a 76-73 victory over Penn State on Sunday night.