Austin Brannon scored 37 points to go with 10 rebounds and three assists to lead Stevenson (6-3).
Isaac Hoidal had 13 points and 13 rebounds, Alex Delarosa had 13 assists, and Brigham Campbell had 12 points and four steals.
STEVENSON 78, RIVERSIDE 56
STEVENSON (6-3) — Theo Lanz 0, Ryan Fielding 0, Luke Nichols 1, Lincoln Krog 9, Austin Brannan 37, Isaac Hoidal 13, Alex Delarosa 6, Brigham Campbell 12, Clayton Hansen 0, Austin Pearson 0.
RIVERSIDE (Ore.) — Madribal 1, Castrilo 14, Valenzuela 3, Pena 1, Garcia 9, Perichio 14, Hagar 3, Martinez 7, Rodriguez 4.
Stevenson 18 19 22 19–78
Riverside 8 14 13 21–56
