| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LB1 | Bay City Regional | LD0 | Detroit Nationals | LF1 | Farmington Hills Regional | ||||||
| LF2 | Flint Regional | LG3 | Grand Rapids Regional | LK1 | Kalamazoo Regional | ||||||
| LL1 | Lansing Regional | LP1 | Petoskey Regional | LT1 | Toledo Regional | ||||||
| LX1 | D12 NAP | LX2 | D12 GNT | LZ9 | D12 STaC |