After scoring three runs in the first inning, Sequoias could not push across any more in Tuesday's 7-3 loss to Merced.
The Giants end the regular season with a 15-6 conference record and 25-13 overall.
Postseason seeding will be announced this weekend and cosgiants.com will have more information when available.
Many Giants also received recognition for their play on the field. In total, seven players from the COS squad were named to the first or second all-conference team.
First team all-conference recipients:
Pitcher - Ashley Paradine
Catcher - Alondra Zavala
Infielder - Adrienne Cachu
Third base - Breanne Tabarez
Center fielder - Ashley Guzman
The first team recipients will move forward to All-NorCal consideration.
Second team all-conference recipients:
Outfielder - Brittney Howard
Outfielder - Madison Montemayor
"As I always say, the Giants have tremendous respect from opponents because of the standards we represent," head coach Michelle Bolt said. "No team has more [players] represented on first team and second team."