St. John Bosco (16-4) eked out a 72-68 victory at JSerra on Wednesday night to improve to 5-0 in Trinity League play, setting up a highly intriguing matchup with Mater Dei, the region's top-ranked squad, on Friday in Bellflower. Isaac Hamilton led the way with a game-high 26 points.
Loyola (16-3) lost at home to Alemany, 95-81, and is now two games back in the Mission League standings. The Cubs had gotten back into the race with an impressive win against Crespi earlier in the week. Loyola got 24 points from Julian Harrell.
In the Western League, Fairfax (14-7) beat Westchester, 53-46. Brendyn Taylor had 17 points. In the Pacific League, Muir (20-1) beat Burbank, 54-52, thanks to Jelani Mitchell's 17 points.
Windward (14-7) bounced back from a demoralizing Alpha League loss to Pacific Hills, defeating Sierra Canyon 68-67.
In the Ocean League, Culver City beat Beverly Hills, 87-81, behind 33 points from Aamahd Walker and 32 from Keilan Horton.