The WCAL and SFL have eight of the Top 20 teams, including No. 1 Serra and a rising Rocklin squad.
Riordan's Jasir Rencher leads a strong All-NorCal group with plenty of college bound seniors.
The rankings had their most steady week of the season. Rocklin is on the rise with another SFL series win.
Mitty was a wire to wire No. 1 team despite dealing with injuries. Also, Piedmont went from unranked to Top 10.
Riordan was the class of Northern California this year while five unranked teams from the preseason ended in the Top 20.
