Underclass Trials
- PBRPlus Underclass Trials: Top Overall Prospects 8/24/18
- WI Underclass Trials: Pitcher Analysis 8/23/18
- WI Underclass Trials: Outfielder Analysis 8/22/18
- WI Underclass Trials: Infielder Analysis 8/21/18
- WI Underclass Trials: Catcher Analysis 8/20/18
- WI Underclass Trials: Statistical Analysis 6/22/18
- WI Underclass Trials: Quick Hits 6/21/18
- WI Underclass Trials: Preview 6/18/18
| Name | State | School | Class | Pos | Commitment |
| Dylan Ackermann | WI | Newman Catholic | 2021 | LHP | Loras College |
| Justin Bausch | WI | LaCrosse Aquinas | 2020 | C | |
| Austin Bestul | WI | Elkhorn | 2021 | SS | Indianapolis |
| Christian Brenner | WI | Burlington | 2020 | C | |
| Spencer Brochtrup | WI | Mukwonago | 2020 | 3B | |
| Andrew Brockwell | WI | Brodhead | 2021 | RHP | Western Kentucky |
| Mason Buss | WI | Arrowhead | 2022 | RHP | Kansas State |
| Charlie Campbell | WI | South Milwaukee | 2020 | RHP | Madison JC |
| Carl Cano | WI | Bay Port | 2021 | SS | University of St. Thomas |
| Josh Caron | WI | Sun Prairie | 2021 | C | Nebraska |
| Adam Diedrich | WI | Hilbert | 2020 | RHP | Augustana University (SD) |
| Noah Dixon | WI | Waunakee | 2020 | 3B | Ripon College |
| Matt Dworsky | IL | Deerfield | 2022 | C | College of Central FL |
| Isaac Engelbrecht | WI | Oak Creek | 2021 | RHP | Bryant & Stratton - Wisconsin |
| Brennan Foeckler | WI | Marquette | 2020 | RHP | |
| Kaiden Forsyth | WI | Oconomowoc | 2022 | RHP | Saint Mary's University of Minnesota |
| George Henkel | WI | Hartford Union | 2021 | RHP | Milwaukee Area Technical JC |
| Sam Holling | WI | Waukesha West | 2021 | C | Des Moines Area CC |
| Quentin Jehn | WI | Waterford Union | 2020 | C | |
| Hunter Johnstone | WI | Oak Creek | 2021 | 3B | |
| Wolfgang Kalz | WI | Appleton West | 2021 | OF | |
| Paul Kashishian II | WI | Whitnall | 2020 | RHP | Concordia University (WI) |
| Brady Katterhagen | WI | Union Grove | 2021 | C | Wisconsin-Platteville |
| Jonathan Kim | WI | Brookfield Academy | 2022 | OF | Michigan |
| Jacob Kleemann | WI | Bay Port | 2021 | OF | College of Lake County |
| Haden Kriston | IL | Loyola | 2023 | 3B | Bentley University |
| Mason Krznarich | AZ | Red Mountain | 2022 | 1B | Dyersburg State CC |
| Jack Leverenz | WI | Lake Country Lutheran | 2020 | OF | Indiana University Kokomo |
| Michael Lippe | WI | Whitefish Bay | 2022 | OF | Louisville |
| Corey Monty | WI | Palmyra-Eagle | 2021 | OF | Ripon College |
| Matthew Moyes | WI | Edgewood | 2020 | SS | |
| Kyle Murphy | WI | Madison Memorial | 2020 | C | |
| Cole Osness | WI | Wausau West | 2021 | SS | |
| Graeson Pankratz | WI | Oconto Falls | 2022 | 2B | |
| Danny Perdzock | WI | Milwaukee Lutheran | 2020 | RHP | McHenry County JC |
| Brandin Podziemski | WI | St John Northwestern Military Academy | 2021 | LHP | |
| Adam Quam | WI | Holmen | 2020 | OF | |
| James Reese | WI | University School of Milwaukee | 2022 | RHP | Lafayette |
| Michael Rivera | IL | Warren | 2021 | RHP | Heartland CC |
| Jake Sager | WI | Oconto Falls | 2022 | SS | Bay College |
| Kellan Short | WI | Catholic Memorial | 2021 | RHP | Madison JC |
| Will Staviski | WI | Brookfield East | 2021 | RHP | Stevens Institute of Technology |
| Anthony Tomczak | WI | Muskego | 2021 | C | Wisconsin-Stevens Point |
| Harrison Toone | WI | Brookfield East | 2021 | 2B | Southwestern CC |
| Anthony Vivian | WI | Dodgeville | 2021 | C | Wisconsin-La Crosse |
| Nicklas Williams | WI | Union Grove | 2021 | SS | Wabash Valley JC |
| Nolan Wojciechowski | WI | Mukwonago | 2020 | OF | Milwaukee School of Engineering |