Jordair Jett matched his career best with 19 points, and Saint Louis pressured No. 9 Butler into a season-worst 23 turnovers in a 75-58 win in St. Louis.
Dwayne Evans added 15 points on 6-for-8 shooting and five rebounds for the Billikens (15-5, 4-2 Atlantic-10), who led by double digits most of the game.
Rotnei Clarke had 17 points for Butler (17-4, 4-2) but also had five turnovers. Andrew Smith added 12 points and six rebounds for the Bulldogs, who have lost four games this season, three by 15 or more points.
The Bulldogs are Saint Louis’ biggest victim since a 1-point upset over No. 2 Louisville on Feb. 12, 2003.