Ben Herrick pitched a shutout Thursday for Marin at Storm Field. Herrick allowed seven hits and walked two.
Napa Valley was led by Steven Contursi (2 for 4), Kevin Coffee (1 for 3), Jordan Grubbs (1 for 4, double), Rico Rodriguez (1 for 4), Randy Keen (1 for 4), and Bryce Brewer (1 for 4).
Keen took the loss, pitching 61⁄3 innings. He was followed by Alex Fernandez, who pitched 22⁄3 innings.