Ford scored seven points and Fitts added four in a 13-2 opening run and Saint Mary's never trailed. Isaiah Wright's layup with 12:29 to play pulled San Diego within eight but the Gaels scored 14 of the next 18 points and led by at least 13 the rest of the way.
Isaiah Pineiro had 19 points and eight rebounds while Wright scored 15 for the Toreros (13-7, 2-3).
Saint Mary's used a 12-4 advantage on the offensive glass to outscore San Diego 17-2 in second-chance points.
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