Manny Arop scored 17 points, including a celebratory slam in the final minute, to lead Indiana State to a 68-55 victory over No. 15 Wichita State, snapping the Shockers' 19-game home winning streak.
The Sycamores (14-7, 7-3 Missouri Valley) stayed in the conference race with their first victory over a ranked team in five tries this season. Davonte Brown and Jake Odum both added 10 points.
Cleanthony Early had 15 points and Demetric Williams added 14 for first-place Wichita State (19-3, 8-2), which shot 27.1 percent from the field.
The Sycamores put themselves in position for the upset with a dominant last 4 minutes of the first half. Indiana State ended the half on a 17-3 run over the last 4:12, taking a 39-28 lead. The run was capped by R.J. Mahurn's four-point play and Khristian Smith's steal and layup in the final 35 seconds.
Wichita State got within 50-48 with 7:26 remaining, but never pulled even.