Underclass Trials
| Name | State | School | Class | Pos | Commitment |
| Jacob Arndt | WI | Oconomowoc | 2019 | RHP | Madison JC |
| Joey Bartolone | WI | Arrowhead | 2019 | 2B | Wisconsin-Stevens Point |
| Tanner Bliesner | WI | Germantown | 2020 | SS | |
| Tyler Brandenburg | WI | Lake Country Lutheran | 2019 | 1B | Heartland CC |
| Ryan Brost | WI | Fort Atkinson | 2019 | C | |
| Benjamin Byom | WI | Holmen | 2019 | RHP | Wisconsin-La Crosse |
| Nick Carpenter | WI | Lake Mills | 2019 | LHP | Wisconsin-Stevens Point |
| Austin Conrad | WI | Kiel | 2019 | RHP | |
| Jake Criter | WI | Chilton | 2019 | C | |
| Brody Cypert | WI | Waukesha South | 2020 | RHP | Bryant & Stratton - Wisconsin |
| Alex Cyskiewicz | WI | Catholic Memorial | 2019 | 2B | |
| Gavin Daniel | WI | Oconomowoc | 2019 | OF | College of Lake County |
| Caden Dupee | WI | Ladysmith | 2019 | 2B | |
| Tru Dupee | WI | Ladysmith | 2020 | SS | |
| Riley Garczynski | WI | Marquette | 2019 | SS | Indiana University Kokomo |
| Jared Hansen | WI | Waukesha West | 2021 | RHP | |
| Hunter Johnstone | WI | Oak Creek | 2021 | 3B | |
| Will Kapral | WI | Chilton | 2020 | RHP | |
| Paul Kashishian II | WI | Whitnall | 2020 | RHP | Concordia University (WI) |
| Ryan Kendziorski | WI | Whitnall | 2021 | SS | Wisconsin-Whitewater |
| Jakob King | WI | Sussex Hamilton | 2020 | RHP | Viterbo University |
| Daniel Llanas | WI | West Allis Central | 2019 | OF | Bryant & Stratton - Wisconsin |
| Caleb Lorbecki | WI | Hartland Arrowhead | 2020 | 3B | Wisconsin-Stevens Point |
| Josh Meulemans | WI | Sussex Hamilton | 2020 | SS | |
| Matthew Moyes | WI | Edgewood | 2020 | SS | |
| Nolan Olszewski | WI | Germantown | 2020 | 2B | Saint Mary's University of Minnesota |
| Thomas Otto | WI | Appleton North | 2020 | C | Wisconsin-Milwaukee |
| Daniel Peterson | WI | Burlington | 2019 | OF | Cincinnati Christian University |
| Dylan Peterson | WI | Racine Case | 2019 | RHP | |
| Zach Peterson | WI | Oak Creek | 2021 | 2B | |
| Luke Schraufnagel | WI | Arrowhead | 2019 | RHP | Milwaukee School of Engineering |
| Andrew Schroeder | WI | Wausaukee | 2020 | SS | Marian University (WI) |
| Ian Sheehy | WI | Homestead | 2020 | OF | |
| Ben Siekierski | WI | Mukwonago | 2019 | 1B | Northwood University |
| Tanner Smith | WI | Appleton East | 2020 | RHP | |
| Alex Van Dam | WI | Oconomowoc | 2020 | 3B | |
| Nicklas Williams | WI | Union Grove | 2021 | SS | Wabash Valley JC |
| Vaughn Williston | WI | Waupun | 2020 | RHP | Marian University (WI) |