The Tritons lead four California Collegiate Athletic Association teams into the national rankings, including Cal State Dominguez Hills (27th), Cal State San Bernardino (34th) and Chico State (40th).
Southern Indiana, which defeated UCSD 6-4 to claim the 2010 national championship, tops the preseason poll. Central Missouri is third, Georgia College & State is fourth and Tampa rounds out the top five.
UCSD compiled a 54-8 record in 2010 that established program records for most wins and fewest losses in a season.
The Tritons open the year with 16 consecutive home games, starting with an exhibition against San Diego Christian College on Friday, Jan. 28.