updated through 2018 season
1980's
| 4-15-80 | Jan Bowers, Olivet (won 12-2 over Calvin) |
| 4-23-80 | Lurinda Henderson, Olivet (won 8-0 over Hope) |
| 4-23-83 | Sharon Boeve, Calvin (won 1-0 over Alma) |
| 4-27-83 | Marge Caid, Olivet (perfect game, won 5-0 over Alma) |
| 4-3-84 | Kathi Gilbert, Alma (won 7-0 over Olivet) |
| 4-7-84 | Ann Harding, Olivet (won 1-0 over Adrian) |
| 4-7-84 | Dolores Thomas, Olivet (won 12-0 over Adrian) |
| 4-10-87 | Kim Niemeyer, Alma (won 7-1 over Adrian) |
| 4-25-87 | Barb Gras, Hope (won 13-0 over Albion) |
| 4-28-87 | Jessica Schrier, Calvin (won 10-0 over Alma) |
| 4-15-89 | Heidi Reyst, Kalamazoo (won 5-0 over Albion) |
1990's
| 4-24-90 | Eileen Malkewitz, Hope (won 19-0 over Olivet) | |
| 4-25-91 | Treeter Johnson, Alma (perfect game, won 10-0 over Olivet) | |
| 4-28-92 | Shannon Pingston, Alma (won 12-0 over Adrian) | |
| 4-20-93 | Nicki Mannes, Hope (won 12-0 over Olivet) | |
| 4-22-93 | Andrea Greening, Albion (perfect game, won 13-0 over Olivet) | |
| 4-10-96 | Shauna Koolhaas, Calvin (won 13-0 over Kalamazoo) | |
| 4-13-96 | Shauna Koolhaas and Amy Slings, Calvin (won 11-0 over Albion) | |
| 4-22-97 | Shauna Koolhaas, Calvin (won 8-0 over Kalamazoo) | |
| 4-22-98 | Becky Pierce, Alma (won 6-0 over Olivet) | |
| 4-10-99 | Becky Pierce, Alma (perfect game, won 11-0 over Saint Mary's) |
2000's
| 3-29-00 | Jessica Davenport, Olivet (won 5-0 over Saint Mary's) | |
| 4-11-02 | Rachelle Heyboer, Calvin (won 4-0 over Olivet) | |
| 3-31-03 | Leigh Ann LaFave, Alma (perfect game, won 8-0 over Kalamazoo) | |
| 4-26-03 | Melissa Tavidian, Alma (won 8-0 over Saint Mary's) | |
| 4-6-04 | Jenn Newland, Olivet (won 5-0 over Kalamazoo) | |
| 4-24-04 | Michaela Adams, Albion (won 2-0 over Hope) | |
| 4-12-05 | Erica Anderson, Olivet (won 17-1 over Kalamazoo) | |
| 4-26-05 | Leigh Ann LaFave, Alma (perfect game, won 8-0 over Kalamazoo) | |
| 4-26-05 | Melissa Tavidian, Alma (won 19-0 over Kalamazoo) | |
| 4-1-06 | Bridget Grall, Saint Mary's (won 5-0 over Adrian) | |
| 4-28-07 | Kristin Amram, Saint Mary's (won 2-0 over Kalamazoo) |
2010's
| 4-7-10 | Rachel Wisman, Trine (won 14-0 over Kalamazoo) |
| 4-10-10 | Jami Shafley, Adrian (perfect game, won 16-0 over Kalamazoo) |
| 4-21-11 | Andrea Reinecke, Hope (perfect game, won 10-0 over Kalamazoo) |
| 4-3-13 | Louise Rezmer, Alma (won 9-0 over Albion) |
| 4-26-13 | Andi Gasco, Trine (won 4-0 over Saint Mary's) |
| 4-19-14 | Bree Fuller, Trine (won 6-0 over Calvin) |
| 4-23-14 | Bree Fuller, Trine (perfect game, won 10-0 over Saint Mary's) |
| 4-4-15 | Brooke Stewart, Adrian (perfect game, won 17-0 over Albion) |
| 4-16-15 | Emily Najacht and Morgan Raymer, Saint Mary's (won 10-0 over Albion) |
| 4-13-16 | Ashlynn Grubb, Olivet (won 10-0 over Albion) |
| 4-26-17 | Anna Gernant, Calvin (won 3-0 over Albion) |
| 3-30-18 | Anna Gernant, Calvin (won 8-0 over Adrian) |
| 4-21-18 | Anna Gernant, Calvin (won 11-0 over Albion) |
