Underclass Showcase
| Name | State | School | Class | Pos | Commitment |
| Rick Acevedo | WI | Oak Creek | 2017 | C | |
| Mike Addante | IL | Jacobs | 2017 | OF | Nebraska |
| Kyel Alexander | IL | Morgan Park | 2017 | 2B | |
| Tim Alfonso | FL | IMG Academy | 2018 | 2B | |
| Ryan Antenore | IL | Mundelein | 2017 | OF | |
| Joe Bagger | IL | Champaign Central | 2017 | OF | |
| Brett Bagus | IL | Brother Rice | 2017 | OF | |
| Easton Bertrand | IL | Manteno | 2017 | OF | Minnesota |
| Bill Blank | IL | Cary-Grove | 2018 | C | Rock Valley JC |
| Robert Bluntson | IL | Morgan Park | 2018 | OF | Paine College |
| Mark Brown | IL | Harlan | 2017 | 1B | |
| Payton Burch | IL | New Trier | 2018 | SS | Denison University |
| Kade Burns | IL | Edwardsville | 2017 | SS | Central Missouri |
| Anthony Calarco | IL | New Trier | 2018 | OF | Northwestern |
| Francois Castillo | IL | Lake View | 2018 | RHP | John A. Logan JC |
| Tareef Coleman | IL | Morgan Park | 2018 | 2B | |
| Dominic Connolly | IL | Lemont | 2017 | SS | Maryville University |
| Cristian Corona | IL | St. Laurence | 2018 | 1B | |
| Ashton Creal | IL | Metea Valley | 2017 | OF | John A. Logan JC |
| Jonathan Cruz | IL | Elgin | 2018 | SS | Northern Illinois |
| Justin Diaz | IL | Lake View | 2017 | SS | Toledo |
| Dylan Diorio | IL | Plainfield North | 2017 | 3B | Rose-Hulman Institute of Technology |
| Nate Dirkes | IL | Wheeling | 2018 | RHP | |
| Thomas Donnelly | IL | Notre Dame | 2018 | RHP | |
| Thomas Farrell | IL | St. Laurence | 2017 | OF | Illinois-Chicago |
| Jeremy Fischer | IL | Normal West | 2018 | SS | Elmhurst University |
| Zach Frieling | IL | Chicago Christian | 2017 | SS | St. Louis |
| Ryan Green | IL | Whale Branch (SC) | 2017 | RHP | |
| Daniel Gutierrez | IL | Marian Catholic | 2017 | SS | Triton JC |
| Antonio Handley | IL | Morgan Park | 2018 | 2B | Paine College |
| Michael Hawthorne | IL | Morgan Park | 2017 | C | |
| Brian Heidbreder | IL | Lake Forest | 2017 | OF | Hendrix College |
| Guillermo Herrera | IL | Elgin | 2017 | C | |
| Dalton Hoel | IL | Tuscola | 2018 | SS | Kaskaskia JC |
| Jeremiah Hoskins | IL | Harlan | 2017 | 2B | |
| Ryan Howe | IL | Prospect | 2018 | SS | Purdue |
| Cameron Hupe | IL | Mount Carmel | 2017 | RHP | Kalamazoo Valley CC |
| Jordan Hursey | IL | Peoria Richwoods | 2017 | 1B | |
| Taylor Jackson | IL | Kenwood | 2017 | OF | Kirkwood CC |
| Nate Jacobson | IL | Crystal Lake South | 2018 | SS | |
| Dylan Jones | IL | Oswego East | 2017 | OF | Waubonsee CC |
| Josh Killeen | IL | Mount Carmel | 2018 | 1B | Lebanon Valley College |
| Floyde Kinds | IL | Harlan | 2018 | SS | |
| Nicholas Kortemeier | IL | Winnebago | 2017 | OF | |
| Alec Kotler | IL | Latin School | 2018 | RHP | Carleton College |
| Thomas Larson | IL | Families of Faith Christian | 2017 | OF | Olivet Nazarene University |
| Yaki Lee | IL | Harlan | 2017 | C | |
| Joshua Levy | IL | Morgan Park | 2017 | RHP | |
| Jaylen Longino-Moore | IL | Harlan | 2017 | RHP | |
| Jack Lucey | IL | Quincy Notre Dame | 2017 | 3B | |
| Alex Mahaz | IL | Hampshire | 2017 | RHP | Wisconsin-Stout |
| PJ Maloney | IL | Mount Carmel | 2017 | 2B | Millikin University |
| Lane Marlow | IL | Central | 2017 | 3B | |
| Austin Marozas | IL | Plainfield South | 2017 | RHP | Missouri |
| Ben Marzec | IL | Lake Zurich | 2017 | SS | |
| Dillon McCarthy | IL | Plainfield North | 2018 | OF | |
| JP Medick | IL | Hinsdale Central | 2017 | OF | Hendrix College |
| Bryce Nolan | IL | Kewanee | 2017 | OF | Illinois Valley CC |
| JP Norman | IL | Kaneland | 2017 | C | |
| Myles Norman | IL | Morgan Park | 2018 | RHP | Indian Hills CC |
| Jack Oberli | IL | Glenbard East | 2018 | SS | |
| Cameron Pauly | IL | Glenbrook South | 2017 | SS | Morehead State |
| Zion Pettigrew | IL | Mount Carmel | 2017 | SS | Illinois-Springfield |
| Will Pudik | IL | Peoria Notre Dame | 2018 | C | Illinois |
| Daniel Reed | IL | Edwardsville | 2017 | C | Illinois College |
| Fabian Rentas | IL | Roberto Clemente | 2018 | 1B | |
| Nasir Ricks | IL | Harlan | 2017 | OF | |
| Cameron Robinson | IL | Champaign Central | 2018 | RHP | Louisville |
| Sean Robinson | IL | Lincoln-Way East | 2017 | OF | Washington University (MO) |
| Juan Robles | IL | Lane Tech | 2017 | OF | |
| Charlie Rodriguez | IL | St Rita | 2017 | OF | Concordia University (WI) |
| Jonathon Rooney | IL | Plainfield South | 2017 | 2B | |
| Josh Rose | IL | Geneva | 2018 | C | |
| Kellen Sarver | IL | Champaign Centennial | 2017 | C | Illinois |
| Brett Selke | IL | Brother Rice | 2018 | OF | |
| Brian Shaughnessy | IL | St. Laurence | 2017 | RHP | |
| Alex Skibba | IL | Peoria Notre Dame | 2017 | RHP | Parkland College |
| Ben Steiner | IL | Montini Catholic | 2018 | 3B | |
| Ethan Sund | IL | Huntley | 2017 | RHP | North Park University |
| Trevon Sutton | IL | Harlan | 2017 | RHP | Lincoln University (PA) |
| Kenny Swart | IL | Lincoln-Way East | 2017 | RHP | |
| Noa Taylor | IL | Argo | 2017 | 2B | |
| Devin Thomas | IL | Sacred Heart-Griffin | 2016 | OF | Quincy University |
| Tavion Towers | IL | Harlan | 2017 | 2B | Claflin University |
| Bryan Truitt | IL | Rockford Christian | 2017 | RHP | Iowa Western CC |
| Jake VanGilder | IL | Oswego | 2017 | C | |
| Tommy Washington | IL | Harlan | 2017 | SS | Northern Illinois |
| Donivan Williams | IL | Richards | 2017 | 3B | Illinois State |
| Ryan Winkle | IL | Brother Rice | 2017 | LHP |