Underclass Invitational (Invite Only)
| Name | State | School | Class | Pos | Commitment |
| Brian Adams | IL | Sandburg | 2019 | OF | Wisconsin-Oshkosh |
| Bryce Barnett | IL | Providence Catholic | 2019 | RHP | Arizona State |
| Brock Berry | IL | Lincoln-Way West | 2019 | OF | |
| Colin Bohanek | IL | Marist | 2020 | 3B | |
| Michael Bolton | IL | Brother Rice | 2019 | OF | Purdue |
| Michael Bolton Jr. | IL | Brother Rice | 2019 | OF | |
| Benji Brokemond | IL | Brother Rice | 2019 | SS | Miami (OH) |
| Hayden Brotz | IL | Stevenson | 2019 | 1B | University of Chicago |
| Jimmy Carey | IL | Andrew | 2019 | 3B | St. Charles CC |
| Brendan Carrane | IL | St. Rita | 2019 | SS | St. Louis |
| Ryan Cermak | IL | Riverside-Brookfield | 2019 | OF | Illinois State |
| Michael Chialdikas | IL | Lake Zurich | 2019 | 3B | Oakland |
| Tucker Cole | IL | Dixon | 2019 | SS | Southeastern CC (IA) |
| Christopher Conrad | IL | Plainfield Central | 2019 | RHP | Saint Xavier University |
| Tyler Cwik | IL | York | 2020 | OF | Grace College |
| Justin Divelbiss | IL | Plainfield Central | 2019 | RHP | Creighton |
| Danny Doheny | IL | Lyons Township | 2020 | RHP | |
| Danny Doligale | IL | Brother Rice | 2019 | OF | Illinois |
| Cameron Edmonson | IL | Rochester | 2019 | LHP | Indiana State |
| Clark Elliott | IL | Barrington | 2019 | OF | Michigan |
| Kendal Ewell | IL | Marist | 2019 | OF | Eastern Kentucky |
| Jacob Ferry | IL | Oswego East | 2020 | OF | Morehead State |
| Brett Freiberg | IL | Marist | 2020 | SS | Rock Valley JC |
| Brennan Geers | IL | Providence Catholic | 2019 | 1B | Triton JC |
| Josh Gibson | IL | O'Fallon | 2019 | SS | Jefferson JC |
| Nick Gilhaus | IL | Normal Community | 2019 | RHP | Wisconsin-Milwaukee |
| Connor Gill | IL | Oswego East | 2020 | RHP | Central Michigan |
| Brandon Green | IL | Kenwood | 2019 | C | Southern |
| Jalen Greer | IL | St. Rita | 2019 | SS | Missouri |
| Michael Gurka | IL | Joliet Catholic | 2019 | RHP | Minnesota |
| Nathan Hardman | IL | Normal University | 2019 | RHP | Evansville |
| Cody Harrison | IL | Plainfield North | 2019 | RHP | |
| Ayden Head | IL | Hinsdale Central | 2019 | RHP | Kenyon College |
| Drew Henrikson | IL | Rochester | 2020 | RHP | Taylor University |
| Kyle Hetherington | IL | Crystal Lake South | 2019 | OF | Rend Lake JC |
| Brendan Holloway | IL | Vernon Hills | 2020 | OF | Oakton CC |
| Tre Hondras | IL | Homewood-Flossmoor | 2020 | OF | John A. Logan JC |
| Mason Hsieh-Bailey | IL | Oak Park- River Forest | 2020 | OF | |
| Nick Iannantone | IL | Joliet Catholic | 2019 | OF | Johnson County CC |
| Dylan Janke | IL | Huntley | 2019 | C | Indiana University Kokomo |
| Kyle Jennings | IL | Marist | 2019 | RHP | |
| Tom Jurack | IL | Hinsdale Central | 2020 | OF | Illinois |
| Mason Kasprisin | IL | Joliet West | 2019 | RHP | St. Charles CC |
| Edward Kerner | IL | Elmwood Park | 2019 | RHP | Dominican University (IL) |
| Andrew Kim | IL | Libertyville | 2019 | SS | Illinois |
| Nick Kosmetatos | IL | St. Francis | 2019 | 3B | Butler |
| Simon Lane | IL | Hinsdale Central | 2019 | RHP | Grinnell College |
| Grant Leader | IL | Lyons Township | 2019 | RHP | Illinois |
| Ryan Leland | IL | Sandburg | 2019 | RHP | Ball State |
| Kooper Loehr | IL | Mt. Zion | 2019 | SS | |
| Eric Lundell | IL | Marmion | 2019 | RHP | Concordia University-St. Paul |
| Ryan Maloney | IL | Providence Catholic | 2020 | 1B | Clark State CC |
| Sean Malpeli | IL | Lincoln-Way West | 2020 | RHP | North Central College |
| Mike Markett | IL | Marist | 2019 | 2B | |
| Shane McGaha | IL | Stevenson | 2020 | OF | |
| Justin McGuigan | IL | Plainfield South | 2019 | C | Concordia University-St. Paul |
| Andrew McKenna | IL | Nazareth | 2019 | C | Holy Cross |
| Mike Meissner | IL | Wheaton Warrenville South | 2019 | RHP | |
| Ken Middleton | IL | Providence Catholic | 2020 | RHP | Lake Land JC |
| Logan Mont | IL | West Aurora | 2020 | SS | |
| Nicolas Palermo | IL | St. Ignatius | 2019 | OF | Oberlin College |
| Michael Pawyza | IL | Lockport | 2020 | 3B | McHenry County JC |
| Patrick Quirk | IL | Glenbrook South | 2020 | OF | |
| Alex Rakas | IL | Aurora Central Catholic | 2019 | SS | Oakton CC |
| Nathan Rintz | IL | Schaumburg | 2019 | RHP | Arkansas |
| Austin Robinson | IL | Mendota | 2019 | C | |
| Jacob Rosenkranz | IL | Stevenson | 2019 | RHP | Valparaiso |
| Brandon Roth | IL | Normal West | 2019 | OF | Black Hawk JC-Moline |
| Joel Sarver | IL | Champaign Central | 2020 | RHP | Northwest Florida State College |
| Nick Schindler | IL | Lockport | 2020 | C | Kankakee CC |
| Ashton Schwab | IL | Maine East | 2019 | LHP | Oakton CC |
| Christopher Seropian | IL | St. Laurence | 2020 | LHP | Fairleigh Dickinson |
| Rohan B Shah | IL | Lyons Township | 2020 | OF | The Citadel |
| Tyler Snep | IL | Lake Zurich | 2019 | C | Iowa |
| MJ Stavola | IL | Aurora Christian | 2019 | OF | Indiana Wesleyan University |
| Rhay Street | IL | Rich Central | 2019 | 2B | Southwest Baptist University |
| Tyler Struck | IL | Providence Catholic | 2019 | C | Murray State JC |
| Ryan Sullivan | IL | Lyons Township | 2020 | OF | |
| Dylan Szajkovics | IL | Plainfield North | 2019 | RHP | Wisconsin-Milwaukee |
| Nicholas Talarico | IL | Marmion | 2019 | 3B | Case Western |
| Will Tenuta | IL | Sandburg | 2020 | RHP | Purdue |
| Ben Vitas | IL | Providence Catholic | 2020 | SS | Central Michigan |
| Dalton Wallace | IL | Edwardsville | 2019 | C | |
| Brandon Ward | IL | Stevenson | 2019 | 2B | |
| Dylan Whitney | IL | Oak Park-River Forest | 2020 | SS | Johns Hopkins University |
| Jacob Willis | IL | Highland | 2019 | 3B | Kaskaskia JC |
| Collin Witzke | IL | Oswego East | 2019 | RHP | Kent State |
| Dylan Wolff | IL | Joliet West | 2020 | RHP | Kankakee CC |