Could Week 4 be the one we look back on as the most important this regular season?

It’s certainly possible.

The two biggest games this weekend might take place about 35 miles apart, as likely league title favorites in both the Detroit Public School League Blue and Catholic High School League Central face off. And several more conferences also eventually may recall tonight as the one that decided which schools add a trophy in October.

Scores for every game across the state this weekend will be posted on the MHSAA Scores page as they conclude. Tune into several on the NFHS Network, including those with “WATCH” linked below.

Bay & Thumb

Richmond (3-0) at Armada (3-0) WATCH

This decade has seen Armada join the contenders in the Blue Water Area Conference; the Tigers finished second last season with only a one-point loss to champion Almont. Richmond could be on its way to becoming a factor again. The Blue Devils last week defeated Croswell-Lexington, avenging last year’s 41-10 loss in defeating the Pioneers for the first time since 2019. Richmond also opened this season by avenging a 2024 loss to St. Clair – and hasn’t defeated Armada since 2019 as well.

Keep an eye on these FRIDAY Saginaw Swan Valley (2-1) at Bay City John Glenn (3-0) WATCH, Owosso (3-0) at Clio (3-0) WATCH, Holly (2-1) at Linden (3-0) WATCH, Bay City Western (2-1) at Midland Dow (2-1) WATCH.

Greater Detroit

Orchard Lake St. Mary’s (3-0) at Detroit Catholic Central (3-0)

Cass Tech/King this week should be another classic, but this is a rare instance when another Metro Detroit game carries similar clout. St. Mary’s is the reigning Division 2 champion but lost three Catholic High School League Central games last season including 27-22 to eventual champion DCC. The Shamrocks already have a win this fall over 2024 CHSL Central runner-up Toledo Central Catholic, but OLSM already has avenged last year’s loss to Warren De La Salle Collegiate – rebounding from a 10-point loss for a 39-point victory.

Keep an eye on these FRIDAY Detroit Cass Tech (3-0) at Detroit Martin Luther King (2-1), Sterling Heights Stevenson (3-0) at Macomb Dakota (3-0) WATCH, Gibraltar Carlson (3-0) at Trenton (2-1) WATCH, Dearborn Heights Robichaud (3-0) at Redford Union (2-1) WATCH.

Mid-Michigan

Grand Ledge (3-0) at Holt (2-1) WATCH

Grand Ledge has won three straight in this rivalry, starting with its Division 1 District Final matchup in 2022. But the Rams can make a nice statement to kick off the Capital Area Activities Conference Blue schedule, especially as they are seeking their first playoff berth since that fall. The Comets opened league play last week by downing East Lansing 45-27 after having fallen to the Trojans the last two seasons. Holt’s loss came in its season opener to reigning CAAC Red champion Mason.

Keep an eye on these FRIDAY Ovid-Elsie (2-1) at Durand (2-1) WATCH, Haslett (2-1) at Mason (1-2), Kalkaska (3-0) at Mount Pleasant Sacred Heart (2-1), Fowlerville (2-1) at Williamston (3-0) WATCH.

Northern Lower Peninsula

Kingsley (2-1) at Boyne City (3-0)

These two and Traverse City St. Francis shared the Northern Michigan Football League Legends championship last season, and all of that started with Kingsley’s 26-20 win over Boyne City. The Stags have won four straight against the Ramblers, including the last two with both back in the same NMFL division, but Boyne City last year didn’t lose again until the Division 6 Semifinals and has given up only 27 points total over its first three games this fall. Kingsley took a Week 2 loss to much-improved Gaylord but bounced back big last week against Grayling.

Keep an eye on these FRIDAY Mount  Pleasant (3-0) at Traverse City Central (2-1), East Jordan (2-1) at Maple City Glen Lake (2-1) WATCH, Beal City (3-0) at McBain (2-1) WATCH, Shepherd (3-0) at Ogemaw Heights (2-1) WATCH.

Southeast & Border

Dexter (3-0) at Saline (3-0) WATCH

This matchup has played a major role in deciding the Southeastern Conference Red title the last three seasons. Dexter has scored at least 48 points in all three of its games so far this fall, including during a 50-27 opening win over Brighton. Saline started this season with a 37-28 win over Rockford and then has reached 50 points the last two weeks – while not allowing any.

Keep an eye on these FRIDAY Michigan Center (3-0) at Manchester (2-1) WATCH, Riverview (2-1) at Monroe Jefferson (3-0), Hastings (2-1) at Parma Western (1-2), Chelsea (3-0) at Tecumseh (2-1) WATCH.

Southwest Corridor

Battle Creek Pennfield (2-1) at Battle Creek Harper Creek (2-1)

Pennfield is 2-1 for the first time since 2021 and after winning one game all of last season, and last week’s 23-20 victory came over a Buchanan team that made the playoffs a year ago. A win over Harper Creek would be the Panthers’ first since 2020. The Beavers are reigning Interstate 8 Athletic Conference champions and bounced back from a Week 2 loss to Cedar Springs by downing Coldwater in a league opener.

Keep an eye on these FRIDAY Portage Central (3-0) at Battle Creek Central (2-1), Marshall (2-1) at Dowagiac (2-1), Plainwell (2-1) at Three Rivers (3-0) WATCH, Centreville (2-1) at White Pigeon (3-0) WATCH.

Upper Peninsula

Menominee (3-0) at Calumet (3-0) WATCH

The Maroons are marching again and looking to extend a winning streak over Calumet to four, with the last two wins coming in Western Peninsula Athletic Conference Copper play. Those two victories both came by at least 40 points, but the Copper Kings should make this a much closer game, off to their best start since 2019 and riding the momentum of a 33-18 win last week over Negaunee.

Keep an eye on these FRIDAY Kingsford (2-1) at Negaunee (2-1) WATCH, L’Anse (3-0) at Manistique (1-2) WATCH, Escanaba (3-0) at Sault Ste. Marie (0-3) WATCH, Houghton (1-2) at Ishpeming Westwood (0-3) WATCH.

West Michigan

Grand Rapids Northview (3-0) at Holland Christian (3-0) WATCH

It would be easy to argue East Kentwood/Rockford is a bigger game area-wide. But the Ottawa-Kent Conference Red looks full of those this season, and this O-K Black matchup may end up having larger league title implications. These two and Grand Rapids Catholic Central all have started 3-0, with two more teams 2-1. Northview defeated the Maroons last season 35-20 on the way to winning the league and finishing the regular season undefeated.

Keep an eye on these FRIDAY East Kentwood (3-0) at Rockford (2-1) WATCH, Muskegon Oakridge (3-0) at Ludington (3-0), Zeeland East (3-0) at Hudsonville Unity Christian (3-0), Cedar Springs (3-0) at Grand Rapids Kenowa Hills (3-0) WATCH.

8-Player

Martin (3-0) at Gobles (3-0) WATCH

This has become one of the most intriguing rivalries in all of 8-player over the last two seasons, with Gobles winning regular-season matchups both times but Martin then winning playoff rematches. The Tigers have continued their offensive surge of the last two seasons, putting up nearly 52 per game over their first three including 54 in a 22-point win over Climax-Scotts. Martin has averaged 55 points per over its first three games, but perhaps more notably hasn’t given up more than 20 in any contest.

Keep an eye on these FRIDAY Brown City (3-0) at Deckerville (3-0) WATCH, Fulton (3-0) at Portland St. Patrick (3-0), Colon (2-1) at Climax-Scotts (2-1), Britton Deerfield (2-1) at Concord (2-1) WATCH.

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PHOTO East Kentwood's Ahman Edmonds bursts into the open during his team's Week 3 win over Jenison. (Click for more from High School Sports Scene.)