Unbeaten Mater Dei continued its powerhouse season Oct. 20 with a 45-3 victory over previously unbeaten J.Serra, giving the Monarchs sole possession of first place in the Trinity League.

St. John Bosco pulled out a narrow 40-38 win over Santa Margarita, and Servite scored an even tighter 29-28 victory over Orange Lutheran. Mater Dei (8-0 overall, 3-0 in league) now leads St. John Bosco and Serra (each 2-1), Santa Margarita and Servite (each 1-2) and Orange Lutheran (0-3), with two weeks remaining in the regular season.

In the Mission League, Chaminade blanked Alemany 45-0 while Bishop Amat got by Serra 21-14 to remain tied for the league lead with Chaminade at 4-0, and Loyola stopped Crespi 17-0. Serra is 3-2 in league, Loyola 2-3, Alemany and idle Notre Dame each 1-3. and Crespi 0-4.

Angelus League leaders St. Francis (69-0 over Salesian) and Cathedral (49-6 over La Salle) continued their winning ways, with perfect 3-0 league records. Harvard-Westlake outscored St. Paul 49-35 to move to 2-1, with La Salle 1-2 and St. Paul and Salesian at 0-3.

In other league games last weekend

> South Catholic: Bishop Montgomery 26, St. Bernard 18; Cantwell-Sacred Heart 42, Don Bosco Tech 7.

> Sante Fe: Mary Star 34, St. Monica 6; St. Anthony 27, St. Genevieve 14.

> Marmonte: Westlake 42, St. Bonaventure 18.

> Tri-Valley: Bishop Diego 65, Santa Paula 0.

> Frontier: Santa Clara 50, Fillmore 14.

> Baseline: Los Osos 29, Damien 26.

> Mt. Pinos: Villanova 46, Thacher 20

> Non-League: Carnegie (Riverside) 44, Verbum Dei 6.

Upcoming

This week’s league games (Oct. 27 except where noted) include:

> Trinity: St. John Bosco at Servite; Santa Margarita at J.Serra; Orange Lutheran at Mater Dei.

> Mission: Chaminade at Notre Dame/SO; Alemany at Bishop Amat; Crespi at Serra; Loyola idle.

> Angelus: Harvard-Westlake at St. Francis (Oct. 26); La Salle at St. Paul; Salesian at Cathedral.

> South Catholic: Don Bosco Tech at Bishop Montgomery; Verbum Dei at Cantwell-Sacred Heart; St. Bernard idle.

> Sante Fe: Mary Star at St. Anthony; St. Monica at St. Genevieve.

> Marmonte: St. Bonaventure at Oaks Christian.

> Gold Coast: Christa McAuliffe at Paraclete.

> Tri-Valley: Bishop Diego at Nordhoff.

> Baseline: Rancho Cucamonga at Damien.

> Los Padres: St. Joseph/Santa Maria at Lompoc.

> Frontier: Santa Clara at Malibu.

> Academy: Orange Vista at St. Pius X-St. Matthias.

> Mt. Pinos: Orcutt at Villanova (Oct. 28)

> Omega: Lighthouse Christian at Bellarmine-Jefferson (Oct. 28).