Underclass Trials
| Name | State | School | Class | Pos | Commitment |
| Jack Anderson | WI | Pulaski | 2017 | RHP | Illinois State |
| Justin Anderson | WI | New Berlin Eisenhower | 2017 | 2B | |
| Jared Antonneau | WI | Cedarburg | 2018 | SS | |
| Luke Blaha | WI | Mukwonago | 2019 | OF | Wisconsin-Stevens Point |
| Jack Blomgren | WI | Janesville Craig | 2017 | SS | Michigan |
| Riley Caracci | WI | Kimberly | 2017 | 1B | |
| Mitchell Cole | WI | New Berlin Eisenhower | 2018 | LHP | College of Lake County |
| Drake Coleman | WI | Prairie du Chien | 2018 | C | |
| Nicholas Destefanis | WI | Homestead | 2017 | SS | Quincy University |
| Clayton Esch | WI | Union Grove | 2017 | RHP | |
| Alec Esenther | WI | Oconomowoc | 2017 | RHP | Wisconsin-Oshkosh |
| Devin Fish | WI | Eisenhower | 2018 | RHP | Salem University |
| Ruben Galvez | WI | Cudahy | 2018 | OF | |
| Garrett Gilbert | WI | Westosha Central | 2017 | C | Creighton |
| Peter Go | WI | Heritage Christian | 2017 | 1B | |
| Jordan Gomez | WI | Homestead | 2019 | 3B | |
| Logan Grunenwald | WI | Wausau West | 2017 | SS | Winona State University |
| Daniel Hahn | WI | Cudahy | 2018 | SS | Concordia University (WI) |
| Wyatt Hennessy | WI | Mukwonago | 2019 | 2B | Jamestown CC |
| Nick Herbst | WI | McFarland | 2018 | OF | Illinois State |
| Elijah Jorgenson | WI | Sauk Prairie | 2018 | SS | |
| Parker Keckeisen | WI | Nicolet | 2019 | OF | |
| Cooper Kelly | WI | Edgewood | 2017 | RHP | |
| Ian Knuth | WI | Oconomowoc | 2019 | OF | Milwaukee School of Engineering |
| Jack Kraemer | WI | Oconomowoc | 2017 | RHP | |
| Keegan Kubicki | WI | Nicolet | 2019 | SS | |
| Nathan Lefko | WI | Mukwonago | 2018 | 1B | |
| Drew Leszczynski | WI | Brookfield Central | 2019 | OF | |
| Jack McNeil | WI | Edgewood | 2018 | 1B | |
| Sean Meyer | WI | Oconomowoc | 2017 | C | Marian University (WI) |
| Jake Michalski | WI | Oak Creek | 2018 | SS | |
| Jordan Nolle | WI | Bay Port | 2017 | SS | |
| Sean O'Brien | WI | Marquette | 2018 | RHP | St. Louis |
| Matthew Osterberg | WI | Coleman | 2017 | LHP | St. Cloud State University |
| Alex Ouellette | WI | Greendale | 2017 | OF | |
| Jacob Passow | WI | Germantown | 2017 | 1B | Arizona Christian University |
| Charlie Peterson | WI | Waukesha South | 2017 | RHP | Wisconsin-La Crosse |
| Derek Polczynski | WI | Arrowhead | 2018 | RHP | Milwaukee School of Engineering |
| Logan Rezash | WI | Greendale | 2017 | C | McHenry County JC |
| Nick Rockweiler | WI | Elkhorn | 2019 | OF | Wisconsin-Whitewater |
| Chas Sagedahl | WI | Prairie du Chien | 2017 | LHP | Southeastern CC (IA) |
| Collin Sathe | WI | Germantown | 2017 | 2B | |
| Alec Spang | WI | Union Grove | 2018 | C | Bryant & Stratton - Wisconsin |
| Carl Valk | WI | Appleton North | 2017 | OF | Bradley |
| Jayson Walczak-Zelem | WI | Oak Creek | 2017 | 2B | Wisconsin Lutheran College |
| Hunter Weddel | WI | Kenosha Tremper | 2017 | 2B | Wisconsin-Parkside |
| Jacob Wokatsch | WI | Wausau West | 2017 | RHP |