The Fruitport Trojans, Montague Wildcats, Muskegon Catholic Central Crusaders and the Reeths-Puffer Rockets are all headed into the regional semifinal round.
In Division 2, Fruitport, fresh off a 12-3 district championship win over Spring Lake, will travel to Whitehall to face the Howard City Tri-County Vikings. The Trojans have a 20-15 record.
Tri-County, from the CSAA-Gold, advanced to the regionals with district wins over Newaygo, 8-7, and Alma, 4-1, on Saturday.
In Division 3, the Montague Wildcats bring a 22-14 record into regionals against the Grand Rapids NorthPointe Christian Mustangs.
Montague comes into the matchup after district wins over Hesperia, 1-0, and North Muskegon, 4-1.
In Division 4 at Holton, the Muskegon Catholic Crusaders will take on the White Cloud Indians.
Muskegon Catholic (16-13) comes into the regionals after capturing district victories over Holton (8-1) and Western Michigan Christian (3-2).
White Cloud (16-14-1) clobbered Mason County Eastern in the districts to advance to the regionals. The Indians are from the CSAA-Silver conference.
In Division 1, Reeths-Puffer advanced on to regional action after pulling off two huge district wins over third-ranked Mona Shores (5-3) and fifth-ranked Kenowa Hills (7-6).
The Rockets (23-8) will face GR Forest Hills Northern in Wednesday’s matchup.
The Huskies, from the OK-White, advanced to the regionals on Saturday after defeating Cedar Springs, 1-0. Forest Hills Northern has a 21-11 record.