Underclass Showcase
| Name | State | School | Class | Pos | Commitment |
| Jalen Acevedo | IL | Roberto Clemente | 2018 | OF | |
| Samson Barboza | IL | Solorio | 2018 | SS | Olivet Nazarene University |
| Connor Bauer | IL | Hinsdale Central | 2018 | C | |
| Anthony Baumgart | IL | Carmel Catholic | 2017 | OF | |
| Angel Bermudez | IL | Saint Patrick's | 2018 | 3B | |
| Robert Bluntson | IL | Morgan Park | 2018 | OF | Paine College |
| Michael Bolton | IL | Brother Rice | 2019 | OF | Purdue |
| Wyatt Boyer | IL | Salt Fork | 2018 | LHP | Greenville University |
| Keaton Bubala | IL | Latin School of Chicago | 2018 | RHP | DePauw University |
| Maximus Bullock | IL | Morgan Park | 2019 | 2B | Triton JC |
| Payton Burch | IL | New Trier | 2018 | SS | Denison University |
| Sam Butler | IL | Champaign Central | 2019 | C | |
| Francois Castillo | IL | Lake View | 2018 | RHP | John A. Logan JC |
| Alex Chapman | IL | Francis Parker | 2018 | C | Bard College |
| Jason Clark | IL | ROWVA | 2019 | OF | Knox College |
| Lucas Clemetsen | IL | Huntley | 2019 | C | |
| Tareef Coleman | IL | Morgan Park | 2018 | 2B | |
| Evan Daly | IL | Palatine | 2018 | RHP | |
| Christian Dearman | IL | Thornton Fractional South | 2018 | OF | |
| AJ Golembiewski | IL | Marian Central Catholic | 2018 | RHP | Illinois-Springfield |
| Drew Gorski | IL | New Trier | 2018 | RHP | |
| Antonio Handley | IL | Morgan Park | 2018 | 2B | Paine College |
| Kamrin Hoffmann | IL | Huntley | 2018 | 2B | Benedictine University (IL) |
| Jared Holt | IL | Dunlap | 2018 | C | Illinois Central JC |
| William Jackson | IL | Loyola | 2018 | RHP | University of St. Thomas |
| Nate Jacobson | IL | Crystal Lake South | 2018 | SS | |
| Dylan Janke | IL | Huntley | 2019 | C | Indiana University Kokomo |
| Isaac Kaufmann | IL | Marian Central Catholic | 2018 | LHP | McHenry County JC |
| Josh Killeen | IL | Mount Carmel | 2018 | 1B | Lebanon Valley College |
| Alec Kotler | IL | Latin School | 2018 | RHP | Carleton College |
| Tim La | IL | Fenwick | 2018 | 2B | Elmhurst University |
| Grant Leader | IL | Lyons Township | 2019 | RHP | Illinois |
| Ryan Maher | IL | Brother Rice | 2019 | 2B | Heartland CC |
| Michael Marseille | IL | Homewood-Flossmoor | 2018 | SS | Southeastern CC (IA) |
| Coliani Martinez | IL | Lake View | 2018 | 3B | Joliet JC |
| Carlos McFadden | IL | Roberto Clemente | 2018 | SS | |
| Justin McGuigan | IL | Plainfield South | 2019 | C | Concordia University-St. Paul |
| Massimo Mescino | IL | Huntley | 2019 | OF | |
| Freddie Morales | IL | Roberto Clemente | 2018 | SS | |
| Josh Mrozek | IL | Providence Catholic | 2019 | 2B | Kent State |
| Jacob Newman | IL | Glenbrook South | 2018 | RHP | Rutgers |
| Myles Norman | IL | Morgan Park | 2018 | RHP | Indian Hills CC |
| Jack Oberli | IL | Glenbard East | 2018 | SS | |
| Gage Olszak | IL | St. Laurence | 2018 | 1B | Saint Xavier University |
| Eric Olvera | IL | Nazareth | 2018 | RHP | |
| Elijah Paplanus | IL | Huntley | 2019 | RHP | Milwaukee School of Engineering |
| Ryan Patel | IL | Mundelein | 2018 | RHP | St. Louis |
| Logan Peterson | IL | Morton | 2018 | RHP | Illinois Central JC |
| Brandon Petkoff | IL | Lincoln-Way East | 2018 | SS | Texas A&M-Corpus Christi |
| Alex Pittman | IL | Morgan Park | 2019 | 3B | Frontier Community College |
| Luke Plunkett | IL | Libertyville | 2018 | C | Luther College |
| Miles Powell | IL | Deerfield | 2018 | RHP | |
| Ernan Rivera | IL | Solorio | 2019 | RHP | Frontier Community College |
| Sebastian Rivera | IL | Huntley | 2019 | 2B | |
| Daniel Rodriguez | IL | Oswego East | 2018 | RHP | Harper JC |
| Jacob Rosenkranz | IL | Stevenson | 2019 | RHP | Valparaiso |
| Kyle Salley | IL | Homewood-Flossmoor | 2018 | LHP | Duke |
| Steven Sanchez | IL | Mundelein | 2018 | LHP | Arkansas |
| Mason Schaller | IL | Mundelein | 2018 | C | Triton JC |
| Brett Selke | IL | Brother Rice | 2018 | OF | |
| Nathan Shapiro | IL | New Trier | 2018 | 3B | Case Western |
| Sean Sinisko | IL | Geneva | 2018 | LHP | Illinois State |
| Payton Sowa | IL | Wheaton | 2018 | RHP | Davenport University |
| Rhay Street | IL | Rich Central | 2019 | 2B | Southwest Baptist University |
| Mason Sykes | IL | Conant | 2018 | 3B | Wabash Valley JC |
| Owen Waunn | IL | Fenwick | 2018 | C | DePauw University |
| Andrew Wiegman | IL | Carmel Catholic | 2019 | SS | Louisville |
| Charles Wood | IL | Fenwick | 2018 | RHP | North Central College |
| Marcus Wright | IL | Simeon | 2019 | SS | Indian Hills CC |
| Scott Youngbrandt | IL | Andrew | 2018 | RHP | St. Louis |
| Dominic Zupo | IL | Oswego East | 2018 | C | Union University |