Diamond Ranch football coach Roddy Layton confirmed that he served a one-game suspension during the Panthers’ 48-14 victory over Los Altos on Friday for an undisclosed blue-book violation that falls under undue influence. School officials made the decision after consulting with the CIF-Southern Section. Layton chose not to explain, but he will return to the sidelines when Diamond Ranch hosts West Covina for sole possession of first in the Hacienda League.