SAN FRANCISCO — Ronnie Boyce had 16 points on 6-of-9 shooting, Matt McCarthy had his fourth double-double of the season and San Francisco beat Loyola Marymount 74-64 on Saturday night. McCarthy scored 12 points and grabbed 10 rebounds. Stefan Jovanovich’s layup trimmed LMU’s deficit to 59-57 with 5:53 to play, but McCarthy’s putback sparked a