The Great Danes (11-3) never trailed after Iati's first of two 3-pointers in a span of less than a minute gave them a 28-25 lead with 15:18 remaining.
The Bears (4-7) stayed close, never falling behind by more than eight the rest of the way, then got within a point, 49-48, at the 3-minute mark after a 3-pointer and a layup by Tucker Halpern.
Black made 1 of 2 free throws and Devlin a pair to make it 52-48. After another Halpern layup, Devlin hit two more and Black another pair for a 56-50 lead with 38 seconds left.
Devlin finished with 15 points and Black 14.
Halpern scored 18 points and Matt Sullivan 16 for Brown.
With his floor general gone to the NBA, Kentucky coach John Calipari is using this offseason to improve his physical condition.
Chattanooga men's basketball coach Matt McCall has received a two-year contract extension after leading the Mocs to an NCAA tournament appearance in his debut season.
North Carolina men's basketball coach Roy Williams joins Seth Greenberg for Fast Break to discuss his favorite pregame meal, how he picks his game-day outfit and what CDs (gasp!) he has in his car.