Riley went on a one-man 8-0 run 13 minutes into the first half to put East Tennessee State up 29-12. The Buccaneers closed out the half with a 13-3 run -- which included three points from Riley and five from Rembert -- to lead 42-21 at the break.
The Buccaneers (7-6) made 10 3-pointers and finished with 14 steals.
Valparaiso (8-7) outscored East Tennessee State 41-31 after intermission, but could not climb back from the first-half deficit. LaVonte Dority led with 14 points, and Vashil Fernandez added 10 points and 14 rebounds.
The Crusaders grabbed 17 more rebounds than East Tennessee State (45-28), but turned the ball over 24 times -- compared to nine turnovers for the Buccaneers.