Underclass Invitational (Invite Only)
| Name | State | School | Class | Pos | Commitment |
| Alec Barger | IL | Champaign Central | 2016 | OF | North Carolina State |
| Camden Bauer | IL | O'Fallon | 2016 | SS | Alabama |
| Reid Birlingmair | IL | Normal West | 2015 | SS | Illinois-Chicago |
| Austin Blazevic | IL | Plainfield Central | 2015 | OF | Southeast Missouri State |
| Mitchell Boe | IL | Joliet Catholic | 2015 | SS | Iowa |
| Matt Brown | IL | Champaign Central | 2016 | 3B | |
| Daniel Budziak | IL | St. Rita | 2015 | LHP | Daniel Webster College |
| Christan Bullock | IL | Morgan Park | 2016 | 1B | Michigan |
| Matt Burch | IL | Warren | 2016 | SS | Wabash Valley JC |
| Sean Burnette | IL | St. Laurence | 2015 | OF | Black Hawk JC-Moline |
| Steven Busby | IL | Batavia | 2015 | OF | Elgin CC |
| Ronald Clark | IL | Chicago Christian | 2015 | OF | |
| Kevin Clifford | IL | Naperville Central | 2015 | OF | |
| Will Corn | IL | Hiawatha | 2015 | OF | Southern Illinois |
| Connor Dall | IL | West Chicago | 2015 | SS | Butler |
| Garrett Davis | IL | Geneva | 2015 | LHP | |
| Ben Dickey | IL | St. Viator | 2015 | OF | Northwestern |
| Joe Dittmar | IL | Richmond Burton | 2016 | RHP | Wichita State |
| Jackson Dvorak | IL | Providence Catholic | 2016 | 1B | South Suburban JC |
| Cal Elvers | IL | Sacred Heart-Griffin | 2016 | C | Miami (OH) |
| Brady Fairfield | IL | Metamora | 2015 | SS | Illinois Central JC |
| Mitchell Fairfield | IL | Normal West | 2016 | C | Southern Illinois |
| Grant Farmer | IL | Illinois Lutheran | 2015 | RHP | Northern State University |
| Kam Fezekas | IL | Lyons Township | 2016 | RHP | Heartland CC |
| Tyler Fitzgerald | IL | Rochester | 2016 | SS | Louisville |
| Cedric Garrett | IL | Rich Central | 2015 | 2B | |
| Jake Gilhaus | IL | Normal Community | 2016 | RHP | Kalamazoo College |
| Eric Giltz | IL | Wheaton Warrenville South | 2015 | OF | Southern Illinois-Edwardsville |
| Bryce Gray | IL | Homewood Flossmoor | 2016 | C | Notre Dame |
| Mikyel Guyton | IL | Gwendolyn Brooks | 2016 | OF | |
| Bradley Harrison | IL | O'Fallon | 2016 | OF | Southern Illinois |
| Dakota Head | IL | Benton | 2015 | SS | Rend Lake JC |
| Darius Hill | IL | Morgan Park | 2016 | SS | John A. Logan JC |
| Matt Hopkins | IL | Alton | 2015 | 1B | Air Force |
| Bryan Hudson | IL | Alton | 2015 | LHP | Missouri |
| Jake Hurst | IL | Peoria Notre Dame | 2015 | LHP | Bradley |
| Nik Jackson | IL | Lanphier | 2015 | 3B | |
| Zach Jarosz | IL | Plainfield North | 2016 | 2B | South Dakota State |
| Mario Jenkins | IL | Rich South | 2016 | OF | |
| Justin Kelly | IL | Wheaton Warrenville South | 2015 | C | Wayne State University (MI) |
| Joe Kenney | IL | Mahomet-Seymour | 2015 | SS | St. Joseph's University - Brooklyn |
| Thomas Kenney | IL | Mahomet-Seymour | 2016 | OF | |
| Mike Kogut | IL | Nazareth | 2015 | RHP | John A. Logan JC |
| Michael Kolzow | IL | Naperville Central | 2015 | SS | |
| Keith Kutzler | WI | Tremper | 2016 | RHP | St. Louis |
| Neil Lambert | IL | Pontiac | 2015 | SS | Arkansas State |
| Kelly Lane | IL | Gwendolyn Brooks | 2016 | 2B | |
| Michael Lorenzi | IL | Mount Carmel | 2015 | LHP | Benedictine University (IL) |
| Conner Lovely | IL | Metea Valley | 2016 | SS | |
| Justin Machado | IL | Glenbrook South | 2016 | SS | Fordham |
| Luke Mangieri | IL | Dunlap | 2015 | 3B | Bradley |
| Connor Mapes | IL | Champaign Central | 2015 | OF | |
| Esteban Martinez | IL | St. Rita | 2015 | 3B | Mesa CC |
| Chris Mathieu | IL | Warren | 2015 | OF | |
| Mitch Matuszewski | IL | Lincoln-Way East | 2015 | 1B | Parkland College |
| General McArthur | IL | Crete-Monee | 2015 | SS | Kirkwood CC |
| Jamary McKinney | IL | Simeon | 2015 | RHP | Chicago State |
| Lavezz Middleton | IL | Marian Catholic | 2015 | SS | Bucknell |
| Adrian Morris | IL | Yorkville | 2015 | LHP | |
| Nick Nalewanski | IL | Rockford Boylan | 2015 | C | |
| Sam Nozicka | IL | Grayslake Central | 2016 | C | Memphis |
| Jeremy Orbik | IL | Homewood-Flossmoor | 2015 | RHP | Stetson |
| Michael Pena | WI | Indian Trail | 2016 | 3B | Texas College |
| Tyler Peterson | IL | Lake Zurich | 2016 | SS | Elgin CC |
| Dominic Pilas | IL | St. Laurence | 2015 | 2B | |
| Nick Price | IL | Waubonsie Valley | 2016 | C | |
| Davis Purviance | IL | Lockport | 2015 | SS | |
| Marcus Reiser | IL | McHenry West | 2015 | RHP | |
| Jack Rettig | IL | Mahomet-Seymour | 2015 | LHP | Belmont |
| John Riordan | IL | St. Laurence | 2015 | 3B | Saint Francis (IL) |
| Mack Rosman | IL | Fremd | 2015 | RHP | Northwestern |
| Matthew Ryan | IL | St. Rita | 2015 | LHP | Butler |
| Edgar Sanchez | IL | Marmion | 2015 | SS | |
| Ryan Scharf | IL | Mount Zion | 2015 | RHP | Kaskaskia JC |
| Andrew Shadid | IL | Peoria Notre Dame | 2015 | C | Bradley |
| Steven Skolarz | IL | Lincoln-Way West | 2015 | RHP | Montevallo |
| Jake Snider | KY | Ballard | 2016 | SS | Louisville |
| Kyle Strepek | IL | Plainfield North | 2015 | LHP | Palomar |
| Luke Styka | IN | Andrean | 2015 | RHP | |
| Jake Suca | IL | Joliet West | 2015 | RHP | |
| Deion Thompson | IL | Bloomington | 2015 | OF | Western Illinois |
| Will Troia | IL | Rockford Boylan | 2015 | SS | Wisconsin-Whitewater |
| Dave Watson | IL | Normal West | 2016 | OF | |
| Matthew Waznis | IL | Providence Catholic | 2016 | 2B | South Suburban JC |
| Cory Wright | IL | St. Charles North | 2015 | 1B | Mercer |
| Jack Yalowitz | IL | Loyola | 2015 | OF | Illinois |
| Sam Zoibi | IL | Lake Zurich | 2015 | RHP |