Dickerson and Parker scored six points each, including a pair of 3-pointers by Parker, as the Dons (2-1) began the second half with an 18-8 run to go in front 51-39 after leading 33-31 at halftime.
Dickerson scored 13 points in the second half and made 9 of 12 shots in the game. He also led San Francisco in rebounds with seven and blocked three shots.
Daniel Munoz scored 16 points and Stephen Lumpkins 13 to lead the Eagles (2-2), who shot 61.9 percent (13 of 21) in the first half but cooled off to 42.9 percent (9 of 21) in the second. San Francisco shot better than 50 percent in each half and 53.1 percent (26 of 49) for the game.
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point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.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.