Underclass Showcase
| Name | State | School | Class | Pos | Commitment |
| Chris Akers | IN | North Posey | 2021 | C | Southwestern Illinois JC |
| Spencer Anton | IL | Westmont | 2021 | RHP | Elmhurst University |
| Bobby Atkinson | IL | St Rita | 2021 | 1B | Coastal Carolina |
| Ty Batusich | IL | Joliet West | 2021 | C | Western Kentucky |
| Daniel Baumgartner | IL | St. Laurence | 2021 | 1B | |
| Alex Bennett | IL | St. Charles North | 2021 | RHP | |
| Jack Bikus | IL | Mundelein | 2021 | SS | |
| Mitchell Bilek | IL | Hampshire | 2021 | LHP | |
| Cole Blazekovich | IL | Minooka | 2022 | C | Loras College |
| Trevor Blum | IL | Wheaton North | 2021 | 1B | |
| Tommy Boba | IL | Wheaton Warrenville South | 2022 | RHP | Cincinnati |
| Yashion Boswell | IL | Thornton Fractional South | 2021 | RHP | Calumet College of St. Joseph |
| Ethan Bowers | IL | Vernon Hills | 2021 | SS | Mesa CC |
| Ethan Brooks | IL | Lincoln-Way East | 2021 | C | Joliet JC |
| Sebastian Cabeza | IL | Kaneland | 2021 | C | Black Hawk JC-Moline |
| Elijah Carter | IL | Downers Grove North | 2021 | 3B | |
| Henry Cichowski | IL | Lockport | 2022 | SS | |
| Dominic Coda | IL | Joliet Catholic | 2022 | OF | Lewis University |
| Tyler Conklin | IL | Kaneland | 2021 | RHP | Eastern Illinois |
| Matthew Cruise | IL | Seneca | 2022 | RHP | Spoon River JC |
| Jack Dezelan | IL | Maine Souith | 2021 | 1B | |
| Brian Donlea | IL | Barrington | 2021 | C | Morton JC |
| Daniel Donohue | IL | St. Laurence | 2021 | 3B | |
| Charlie Evans | IL | St Rita | 2021 | 3B | |
| Patrick Faith | IL | St. Charles North | 2021 | SS | |
| Tristan Figus | IL | Buffalo Grove | 2021 | 3B | Illinois Wesleyan University |
| Grant Fowler | IL | Lincoln-Way East | 2021 | 3B | Saint Xavier University |
| Jeremy Fox | IL | Riverside Brookfield | 2021 | RHP | Morton JC |
| Jacob Furmanek | IL | TF South | 2021 | RHP | Milwaukee Area Technical JC |
| Nick Giamarusti | IL | Notre Dame | 2021 | OF | Pittsburgh |
| Paul Gilmore | IL | Sacred Heart-Griffin | 2021 | OF | |
| Nikolas Gofron | IL | Oswego East | 2022 | 1B | |
| Justin Gutierrez | IL | Nazareth | 2021 | 3B | Loras College |
| Bobby Guy | IL | Springfield Sacred Heart Griffin | 2022 | OF | |
| Zamaurion Hatcher | IL | Kenwood | 2021 | OF | Michigan |
| Tristan Head | FL | The Benjamin School | 2023 | SS | Virginia |
| Nicholas Heerde | IL | Lincoln-Way East | 2021 | C | Lawrence University |
| Trent Henderson | IL | Stevenson | 2021 | 2B | |
| Ben Hess | IL | Charleston | 2021 | RHP | Alabama |
| Kyle Hussey | IL | Providence Catholic | 2021 | SS | Lewis University |
| Jack Irwin | IL | Plainfield Central | 2021 | OF | Milwaukee School of Engineering |
| Ethan Kaiman | IL | Naperville North | 2021 | RHP | |
| Bennett Kelly | IL | Peoria Notre Dame | 2021 | SS | Grinnell College |
| Aidan Kress | IL | Fenton | 2021 | RHP | Benedictine University (IL) |
| Noah Kuchler | IL | St. Francis | 2021 | C | |
| Luke Lawrence | IL | Brother Rice | 2021 | C | Kentucky |
| Christopher LeCrone | IL | Dunlap | 2021 | 3B | Milwaukee Area Technical JC |
| Brian Lensegrav Jr. | IL | Taft | 2021 | C | |
| Sean Lindquist | IL | Homewood-Flossmoor | 2021 | RHP | |
| Joe Liss | IL | Evanston | 2021 | RHP | Ohio Wesleyan University |
| Eric Lopez | IL | Curie | 2021 | OF | |
| Ezekiel Lopez | IL | Morton West | 2022 | RHP | Morton JC |
| Max McCallum | IL | St. Francis | 2021 | OF | Loras College |
| Matthew Melendez | IL | Notre Dame | 2021 | 2B | Wisconsin-Eau Claire |
| Nathan Mosqueda | IL | Brother Rice | 2021 | SS | Webster University |
| Jaylon Nauden | IL | Marian Catholic | 2021 | SS | Butler |
| Eric Orloff | IL | Glenbrook North | 2021 | LHP | Arizona |
| Ethan Pequette | IL | Manteno | 2021 | LHP | Spoon River JC |
| Matthew Peterson | IL | Mundelein | 2021 | OF | |
| Alex Rangel | IL | West Aurora | 2021 | 2B | |
| Michael Rastrelli | IL | Mundelein | 2021 | C | |
| Zach Rees | IL | Glenbard West | 2021 | 2B | Aurora University |
| Sam Ruchala | IL | Andrew | 2022 | 1B | Spoon River JC |
| Collin Ryan | IL | Hampshire | 2021 | SS | |
| Steve Sanderson | IL | St Rita | 2021 | OF | Mississippi Gulf Coast JC |
| Matt Santarelli | IL | Lockport | 2021 | SS | Western Illinois |
| Cristian Santiago | IL | Mundelein | 2021 | C | |
| Jordan Scholl | IL | Wheaton Warrenville South | 2022 | RHP | Indian Hills CC |
| Mark Skarzynski | IL | Mundelein | 2021 | 2B | |
| Kyle Steele | IL | Naperville Central | 2021 | RHP | |
| Anthony Tado | IL | St. Laurence | 2021 | 2B | Carroll University |
| Matthew Tarr | IL | West Aurora | 2022 | RHP | John A. Logan JC |
| Ethan Uftring | IL | Washington Community | 2021 | LHP | |
| David Underdonk | IL | Bolingbrook | 2021 | 1B | Joliet JC |
| Logan Van Heuklon | IL | Dunlap | 2021 | C | Carl Sandburg JC |
| Grant Vosburgh | IL | Oswego | 2021 | 3B | |
| Lucas Waunn | IL | Fenwick | 2021 | C | Illinois Institute of Technology |
| Jack West | IL | 2021 | RHP | Kaskaskia JC | |
| Kyle Williams | IL | West Aurora | 2021 | C | Benedictine University (IL) |
| Robert (Hunter) Woods | IL | Moline | 2021 | OF | Luther College |
| Christopher Worcester | IL | Lake Park | 2021 | SS | Eastern Illinois |