LOOKING AHEAD / UPCOMING PREP EVENTS IN ORANGE COUNTY

BASEBALL

Mater Dei, closing in on a sixth consecutive South Coast League title and the fourth team this season to be ranked No. 1 in the weekly Orange County sportswriters poll, can clinch a playoff berth Friday with a victory over Trabuco Hills. The game is at Trabuco Hills at 3:15 p.m. In other key games, Buena Park and Fullerton, second and third in the Freeway League, finish their home-and-home series at Fullerton. Game time is 3:15 p.m.