In Friday's action… The girls water polo team defeated Amador Valley HS 18-3 and Menlo School 15-6 in the Acalanes Invitational. The boys water polo team defeated Rocklin HS 14-5 and was defeated by Rio Americano 9-5 in the Roche Invitational at Menlo School. The football team was defeated by Vintage HS 28-20.  The jv team won easily. The girls…