Trailing 11-10, SFU pushed ahead as Whyatt hit two 3-pointers to spark a 13-3 run. Another pair from beyond the arc by Whyatt and a 3 by Harmon put the Red Flash up 39-22 late in the first half.
LIU Brooklyn pulled within seven in the second half, but SFU countered with a 10-3 run capped by a Brown dunk with 6:22 remaining.
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.