Rankings update: A lot could change by next week with so many heavyweight match-ups in the first week of league. Glendora and Damien square off on Wednesday, followed by Diamond Ranch-Bonita in a battle of No. 1 and 2 on Friday. Also on Friday, Walnut and Nogales square off. Bishop Amat earned a huge nonleague win over Chino Hills and Workman starting to take control of the Montview.

Above: Damien gets Glendora on Wednesday in the always tough Sierra.

Boys Basketball Top Ten Rankings
1. Diamond Ranch (11-3)
Showdown at Bonita on Friday
2. Bonita (15-2)
Only 4-2 since Christmas
3. Damien (12-4)
1-1 against Bonita
4. Nogales (13-5)
Hosting Walnut on Friday
5. Bishop Amat (14-3)
Statement win over Chino Hills
6. Northview (11-5)
Small but efficient
7. Walnut (13-2)
On six-game win streak
8. Glendora (11-5)
Starting to find groove again
9. Diamond Bar (9-5)
an it survive tough Sierra?
10. Workman (10-5)
Already 3-0 in Montview

Boys Basketball standings
Arrowhead League
Christian League
Del Rey League
San Antonio League
Sierra League
Valle Vista League
Montview League
Mission Valley League
Miramonte League