Unsigned Senior Showcase
| Name | State | School | Class | Pos | Commitment |
| Robert Bannon | IL | Richmond Burton | 2017 | OF | |
| Nick Brigham | IL | Rockford Lutheran | 2017 | RHP | |
| Walker Brockhouse | IL | Mount Vernon | 2017 | RHP | Memphis |
| Todd Brown | IL | East Aurora | 2017 | RHP | Waubonsee CC |
| Jack Brust | WI | Greendale | 2017 | RHP | Wisconsin-Whitewater |
| John Carroll | IL | St. Charles East | 2017 | SS | |
| Robert Chayka | IL | Solorio | 2017 | OF | Spoon River JC |
| Brian Croke | IL | Lake Zurich | 2017 | C | |
| Jalan Cruz | IL | Bolingbrook | 2017 | 2B | |
| Joe Culbertson | IL | Illinois Valley Central | 2017 | OF | |
| Brian D'Alessio | IL | Oswego East | 2017 | 2B | |
| Kurt Dankovich | IL | Providence Catholic | 2017 | RHP | Lewis University |
| Kennon Daugherty | IL | Glenwood | 2017 | RHP | |
| Kevin Davis | IL | Lockport | 2017 | 1B | Olney Central JC |
| David Dibble | WI | Kenosha Tremper | 2017 | RHP | |
| Aidan Dolan | IL | Buffalo Grove | 2017 | RHP | Toronto Metropolitan |
| DJ Donofrio | IL | Plainfield North | 2017 | OF | |
| Juan Escamilla | IL | Solorio | 2017 | 2B | |
| Tim Fauth | IL | Conant | 2017 | 1B | |
| Ryan Gabriel | IL | Lockport | 2017 | LHP | South Suburban JC |
| Jack Ginzkey | IL | Naperville North | 2017 | 2B | |
| Blake Gosswein | IL | Barrington | 2017 | 2B | Concordia University (WI) |
| Joseph Hagee | IL | Lake Zurich | 2017 | OF | |
| Michael Hartmann | WI | Saint Francis | 2017 | RHP | |
| Nathan Hefle | WI | Germantown | 2017 | RHP | Purdue University Fort Wayne |
| Joshua Heller | IL | Peoria Christian | 2017 | 2B | |
| Rob Hill | IL | Bartlett | 2017 | SS | |
| Adam Hillis | IL | Jacksonville | 2017 | 1B | Quincy University |
| Curt Kissel | IL | Plainfield North | 2017 | OF | |
| Vito Lamorgese | IL | Oswego East | 2017 | LHP | |
| Michael Lehner | WI | Muskego | 2017 | 3B | McHenry County JC |
| Sam Lepper | IL | Reed-Custer | 2017 | C | Aurora University |
| Andrew McKee | IL | Yorkville | 2017 | RHP | |
| Braden Menini | IL | St. Charles North | 2017 | 3B | Calvin College |
| Willie Mitchell | WI | Dominican | 2017 | OF | |
| Thomas Moran | IL | Chicago Christian | 2017 | 3B | |
| Jalen Nicholson-Bourn | IL | Thornton Fractional South | 2017 | OF | Harper JC |
| Kevin Noble | IL | Marian Catholic | 2017 | LHP | |
| Zaid Palacios | IL | Solorio | 2017 | 3B | |
| Parker Panich | WI | Marquette University | 2017 | 1B | Greenville University |
| Cody Peterlin | IL | Oswego | 2017 | 2B | |
| Nick Petrella | IL | Oswego | 2017 | LHP | |
| Dawson Povolo | WI | Cudahy | 2017 | RHP | |
| Allen Primack | WI | Whitefish Bay | 2017 | 1B | |
| Ricky Rank | IL | Newman Central Catholic | 2017 | 3B | |
| Rudy Rodriguez | WI | Greenfield | 2017 | C | Anoka-Ramsey CC |
| Anthony Rogers | IL | Montini | 2017 | LHP | Concordia University-Chicago |
| Trey Romay | IL | Downers Grove North | 2017 | 2B | Wisconsin-Whitewater |
| Angel Salinas | IL | Lemont | 2017 | SS | Triton JC |
| Michael Schmitz | IL | Lake Zurich | 2017 | RHP | |
| Seamus Sjostrom | IL | Mount Carmel | 2017 | OF | Millikin University |
| Sullivan Stickann | IN | Highland High School | 2017 | OF | |
| Colton Strohl | IL | Prairie Central | 2017 | OF | Loras College |
| DJ Studniarz | IL | Lockport | 2017 | 2B | Millikin University |
| Jack Swain | IL | Metamora | 2017 | 1B | Morton JC |
| Trever Theis | IL | Sycamore | 2017 | 3B | |
| Anthony Velazquez | IL | Roberto Clemente | 2017 | C | Triton JC |
| Nick Villasenor | IL | Addison Trail | 2017 | LHP | Black Hawk JC-Moline |
| Jeremy Vogel | IL | Pekin | 2017 | LHP | |
| Tate Wargo | IL | Gillespie | 2017 | SS | |
| Jacob Weaver | IL | Oak Forest | 2017 | 2B | |
| Drew Wenig | IL | Riverside Brookfield | 2017 | RHP | Morton JC |
| Jacob Wylie | IL | Mount Vernon | 2017 | C |