TONIGHT: No. 1 against No. 3. Next-door,...

TONIGHT: No. 1 against No. 3. Next-door, unbeaten rivals. That’s the lure for Orange County prep football fans tonight at 7:30, when 2,500 people are expected to shoehorn into Capistrano Valley High’s field for the annual South Coast League meeting of top-ranked Mission Viejo (6-0) and Capistrano Valley (6-0).