No. 11 Stanford baseball (29-14, 15-9 Pac-12) swept its three-game series against the California Golden Bears (22-25, 11-15 Pac-12) over the weekend. With the sweep, the Cardinal have now won five of their previous six conference series. Senior pitcher Alex Williams, the Pac-12 leader in earned run average (ERA), started for the Cardinal in Friday’s game. However, he ran into trouble in the first…