After 10 grueling regular-season games over 11 weeks, the postseason has arrived.
De La Salle and Pittsburg remain as the Top 2 teams in the latest Bay Area News Group rankings, but San Ramon Valley bumps St. Francis down a spot after red-hot Archbishop Riordan upset the Mountain View program on Saturday.
Las Lomas is back in the Top 25 after defeating Acalanes, denying the Dons their first outright league title in 43 years.
Bishop O’Dowd moves up a few spots as the Dragons completed their roll through West Alameda Country Conference Foothill Division competition.
New entry Gunn has allowed just 31 points this season and enters Central Coast Section Division V playoffs 10-0.
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On to the rankings …
Bay Area News Group Top 25
(Mercury News & East Bay Times)
No. 1 DE LA SALLE (10-0)
Previous ranking: 1
Last week: Beat Clayton Valley Charter 49-3
Up next: Friday vs. San Marin in NCS Open/Division I, 7 p.m.
No. 2 PITTSBURG (9-1)
Previous ranking: 2
Last week: Beat Antioch 57-16
Up next: Friday vs. Clayton Valley Charter in NCS Open/D-I, 7 p.m.
No. 3 SAN RAMON VALLEY (9-1)
Previous ranking: 4
Last week: Beat Monte Vista 38-7
Up next: Friday vs. California in NCS Open/D-I, 7 p.m.
No. 4 ST. FRANCIS (8-2)
Previous ranking: 3
Last week: Lost to Archbishop Riordan 34-24
Up next: Friday vs. Valley Christian in CCS Open/D-I, 7 p.m.
No. 5 ST. IGNATIUS (8-2)
Previous ranking: 5
Last week: Beat Archbishop Mitty 24-19
Up next: Friday vs. Salinas in CCS Open/D-I, 7 p.m.
No. 6 WILCOX (8-2)
Previous ranking: 6
Last week: Beat Menlo-Atherton 30-21
Up next: Friday vs. Santa Teresa in CCS Division II, 7 p.m.
No. 7 LOS GATOS (8-2)
Previous ranking: 7
Last week: Beat Palo Alto 44-6
Up next: Saturday at Serra in CCS Open/D-I, 1 p.m.
No. 8 ARCHBISHOP RIORDAN (6-4)
Previous ranking: 9
Last week: Beat St. Francis 34-24
Up next: Saturday vs. Soquel in CCS Open/D-I, 1 p.m.
No. 9 SERRA (5-5)
Previous ranking: 10
Last week: Beat Valley Christian 29-3
Up next: Saturday vs. Los Gatos in CCS Open/D-I, 1 p.m.
No. 10 VALLEY CHRISTIAN (5-5)
Previous ranking: 8
Last week: Lost to Serra 29-3
Up next: Friday at St. Francis in CCS Open/D-I, 7 p.m.
No. 11 CALIFORNIA (8-2)
Previous ranking: 11
Last week: Beat Amador Valley 54-48, OT
Up next: Friday at San Ramon Valley in NCS Open/D-I, 7 p.m.
No. 12 BISHOP O’DOWD (8-2)
Previous ranking: 14
Last week: Beat San Leandro 49-23
Up next: Friday vs. Monte Vista in NCS D-II, 7 p.m.
No. 13 LIBERTY (7-3)
Previous ranking: 15
Last week: Beat Heritage 14-7
Up next: Friday vs. Vintage in NCS D-II, 7 p.m.
No. 14 ACALANES (7-3)
Previous ranking: 12
Last week: Lost to Las Lomas 21-14
Up next: Friday vs. Dublin in NCS D-III, 7 p.m.
No. 15 CLAYTON VALLEY CHARTER (6-4)
Previous ranking: 13
Last week: Lost to De La Salle 49-3
Up next: Friday at Pittsburg in NCS Open/D-I, 7 p.m.
No. 16 CHRISTOPHER (9-1)
Previous ranking: 16
Last week: Beat Live Oak 31-7
Up next: Friday vs. Menlo School in CCS D-II, 7 p.m.
No. 17 MCCLYMONDS (6-4)
Previous ranking: 17
Last week: Beat Oakland Tech 51-0
Up next: Saturday vs. Castlemont in OAL playoffs, 1 p.m.
No. 18 SALESIAN (9-1)
Previous ranking: 18
Last week: Beat Pinole Valley 63-14
Up next: Saturday vs. Mt. Diablo in NCS D-V, 1 p.m.
No. 20 SANTA TERESA (9-1)
Previous ranking: 20
Last week: Beat Oak Grove 40-16
Up next: Friday at Wilcox in CCS D-II, 7 p.m.
No. 19 AMADOR VALLEY (6-4)
Previous ranking: 19
Last week: Lost to California 54-48, OT
Up next: Friday vs. Las Lomas in NCS D-II, 7 p.m.
No. 21 MENLO-ATHERTON (6-4)
Previous ranking: 21
Last week: Lost to Wilcox 30-21
Up next: Friday vs. Monterey in CCS D-II, 7 p.m.
No. 22 MENLO SCHOOL (7-3)
Previous ranking: 22
Last week: Beat Sacred Heart Prep 20-17
Up next: Friday at Christopher in CCS D-II, 7 p.m.
No. 23 WILLOW GLEN (10-0}
Previous ranking: 23
Last week: Beat Leland 23-0
Up next: Friday vs. Aptos in CCS D-III, 7 p.m.
No. 24 LAS LOMAS (7-3)
Previous ranking: 24
Last week: Beat Acalanes 21-14
Up next: Friday at Amador Valley in NCS D-II, 7 p.m.
No. 25 Gunn (10-0)
Previous ranking: Not ranked
Last week: Beat Jefferson 28-7
Up next: Friday at Sequoia in CCS Division V, 7 p.m.
Editor’s note: Teams eligible for the Bay Area News Group rankings come from leagues based predominantly in Alameda, Contra Costa, San Mateo and Santa Clara counties. The news organization’s high school staff chooses the teams.