Harlee Donovan blasted three runs and drove in 12 runs Wednesday as the College of San Mateo softball team remained unbeaten with a 27-0 win over City College of San Francisco in Pacifica.

The Bulldogs, 16-0 overall and ranked No. 1 in the state, hit nine home runs as a team, including three by Kaitlin Chang, who drove in six runs and is now hitting .417 and slugging .806.

Half Moon Bay High grad Donovan leads the state in homers and RBIs. She was 5-for-5, scoring four times agaisnt CCSF. The freshman right-hander now has 11 homers and 38 RBIs and leads Northern California with a 1.386 slugging average.

Lauren Berriatua pitched the first three innings, striking out all nine batters en route to her state-leading 10th win. She lowered her state-leading ERA to 0.28. The sophomore out of Notre Dame High in Belmont ranks No. 4 in the state with 73 strikeouts and is batting .559 after a 3-for-3 day at the plate that included a pair of solo home runs.

Lacie Crawford struck out nine in relief, walking none and giving up the only hit by the Rams.

Designated player Leilani Akai hit a two-run homer in her only at-bat, raising her average to .515 and slugging mark to 1.061 Melina Rodriguez went 3-for-5 and scored five times, raising her average to .617, No. 3 in the state. She is slugging 1.000. CSM has three of the state’s 13 players with slugging marks of 1.000 or better.

CSM improved to 3-0 in Coast Conference North play. CCSF fell to 0-7, 0-2 in the conference.

The Bulldogs return to action Saturday to host a pair of non-conference opponents, College of the Sequoias (6-9) at 10 a.m. and College of the Siskiyous (6-5) at 2 p.m. Siskiyous will also play at CSM Sunday at 10 a.m.