| 2 | Tiago Sanchez | 2020 GRB Rays-MSN 15U | - | Madison, Wisconsin |
| 7 | Cole Selvig | 2020 GRB Rays-MSN 15U Green | - | - |
| 9 | Justin Gorski | 2020 GRB Rays-MSN 15U | - | Rockford, Illinois |
| 11 | Caleb Karll | 2020 GRB Rays-MSN 15U | - | Madison, Wisconsin |
| 12 | Konner Giddley | 2020 GRB Rays-MSN 15U | - | Beloit, Wisconsin |
| 13 | Connor Hughes | 2020 GRB Rays-MSN 15U | - | Beloit, Wisconsin |
| 14 | Jackson Hunley | 2020 GRB Rays-MSN 15U | - | Sun Prairie, Wisconsin |
| 17 | Daelen Johnson | 2020 GRB Rays-MSN 15U | - | Beaver Dam, Wisconsin |
| 18 | Zander Rockow | 2020 GRB Rays-MSN 15U | - | Thorp, Wisconsin |
| 25 | Jake Schaffner | 2020 GRB Rays-MSN 15U | - | Janesville, Wisconsin |
| 28 | Mason Armstrong | 2020 GRB Rays-MSN 15U | - | Verona, Wisconsin |
| 29 | Kale Twombly | 2020 GRB Rays-MSN 15U | - | Appleton, Wisconsin |
| 33 | Drew Charney | 2020 GRB Rays-MSN 15U | - | Minnetonka, Minnesota |
| 35 | Braden Smith | 2020 GRB Rays-MSN 15U | - | Davis Junction, Illinois |
| 36 | Roman Trapani | 2020 GRB Rays-MSN 15U | - | Eau Claire, Wisconsin |
| 42 | Miles Nelson | 2020 GRB Rays-MSN 15U | - | Cottage Grove, Wisconsin |