Wyatt's output marked a career high as he made 6 of 12 shots, including 2 of 7 from beyond the arc, while Randall made 6 of 16 including three 3-point makes on nine attempts. Randall also had a team-high eight rebounds, while Wyatt turned in a game-best seven assists.
Jamelle Hagins led Delaware (2-4) with a career-high 29 points and pulled down 12 boards for his third double-double of the year. Devon Sadler added 25 points.
The Owls (3-0) rode sharp shooting to a 41-34 halftime advantage, connecting on 15 of 30 from the field, including 8 of 16 from 3-point range, in the first half.
The Blue Hens shot 56.9 percent (29 of 51) from the field for the game, but made just four 3-pointers to Temple's 11.
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point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.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.