By Geoff Kimmerly
Second Half editor

Each weekday of the school year, we break down the top headlines courtesy of Michigan’s sports media.

Today's Top 10 

1. Boys Swimming & Diving: Northville, No. 5 in Lower Peninsula Division 1, made a giant wave to start this season, handing four-time reigning champion and current No. 3 Birmingham Brother Rice a 94-91 defeat – Observer & Eccentric

2. Boys Basketball: Grand Rapids Catholic Central upended reigning Class A runner-up Grand Rapids Christian 73-49 – FOX 17

3. Girls Basketball: Saginaw Heritage downed Hartland 55-30 in a matchup of expected contenders in Class A – Livingston Daily Press & Argus

4. Boys Basketball: The Central Michigan Athletic Conference has multiple Class C contenders, and Dansville earned an early upper hand with a 42-34 win over Pewamo-Westphalia – Lansing State Journal

5. Girls Basketball: Harbor Springs Harbor Light Christian downed host Mackinac Island 72-27 as senior Emma Johnson scored her 1,000^th point – Petoskey News-Review

6. Girls Basketball: Kalkaska's Makenzie Wilkinson scored her 1,000th career point in a 67-45 win over East Jordan – Traverse City Record-Eagle

7. Girls Basketball: St. Clair Shores Lakeview moved to 5-0 and handed a first loss to league opponent Fraser 41-30 – Macomb Daily

8. Boys Basketball: Troy held on for an 81-73 win over Novi in a matchup of top Oakland County teams – Oakland Press

9. Boys Basketball: Escanaba moved to 3-0 with a 71-45 win over Houghton behind standout Ryan Robinette’s 31 points – Escanaba Daily Press

10. Boys Basketball: Onaway got past Indian River Inland Lakes 69-67 as Trevor Wregglesworth scored 39 points – Alpena News