Anderson was 4 of 8 from the field. Ken Rancifer added 10 points for the Toreros (8-8). Chris Manresa had nine points and 11 rebounds.
The score was tied at 27 at halftime in the game with eight lead changes. San Diego shot 40.8 percent from the field for the game, while Portland shot 35 percent.
Thomas van der Mars led Portland with 12 points. Ryan Nicholas added 11 points and nine rebounds for the Pilots (7-9).