Preseason I.D. - Romeoville
| Name | State | School | Class | Pos | Commitment |
| Ryan Ayala | IL | Huntley | 2018 | SS | |
| Brett Bagus | IL | Brother Rice | 2017 | OF | |
| Jonathan Barlas | IL | Andrew | 2016 | RHP | |
| Mike Baumgardner | IL | Neuqua Valley | 2018 | OF | |
| Jason Behnke | IL | Metea Valley | 2016 | 1B | |
| Peyton Bizarri | IL | Rockridge | 2016 | LHP | Indian Hills CC |
| Parker Bogdan | IL | Lincoln-Way East | 2017 | RHP | |
| Christopher Brill | IL | Plainfield South | 2017 | 2B | |
| Jonny Butler | IL | Minooka | 2017 | OF | North Carolina State |
| Austin Cerny | IL | Hinsdale Central | 2016 | OF | |
| Rick Criscione | IL | Lincoln-Way East | 2016 | RHP | |
| Jonathan Dahl | IL | Geneseo | 2015 | RHP | |
| Michael Dahlgren | IL | Sandburg | 2016 | 2B | |
| Jimmy Dale | IL | St. Charles East | 2016 | SS | |
| Ryan Eiermann | IL | Naperville Central | 2017 | LHP | Waubonsee CC |
| Noah Ernst | IL | Neuqua Valley | 2018 | C | Milwaukee School of Engineering |
| Ryan Ferreri | IL | Downers Grove South | 2016 | 2B | |
| Kyle Fitzgerald | IL | Riverside-Brookfield | 2017 | 2B | St. Louis |
| Michael Fossali | IL | Batavia | 2016 | LHP | Elgin CC |
| Scott Fuchs | IL | Lake Park | 2015 | RHP | Knox College |
| Antonio Garcia | IL | St. Joseph | 2016 | 3B | |
| Dominik Garcia | IL | Lake Park West | 2016 | OF | |
| D'Vante Glenn | IL | St. Rita | 2015 | 2B | |
| Andrew Gough | IL | Lake Forest | 2018 | SS | Middlebury College |
| John Gountanis | IL | Maine West | 2015 | OF | |
| Emilio Guitron | IL | Lyons Township | 2016 | 1B | |
| Rayme Hamilton | IL | Mattoon | 2017 | 3B | |
| Josh Hart | IL | Lincoln-Way North | 2016 | LHP | Rend Lake JC |
| Justin Hasegawa | IL | Geneva | 2016 | 2B | Judson University (IL) |
| Jack Hendricks | IL | Fenwick | 2016 | OF | |
| Anthony Herron Jr. | IL | Mount Carmel | 2018 | 1B | John A. Logan JC |
| Jake Heyman | IL | Glenbard East | 2016 | LHP | College of DuPage |
| Stephen Hill | IL | Lockport | 2016 | 3B | Morehead State |
| Kevin Johnson | IL | Oak Forest | 2015 | SS | |
| Jared Jones | IL | Joliet Catholic | 2016 | RHP | Saint Xavier University |
| Joe Kendzierski | IL | Lakes Community | 2017 | SS | |
| Kyle Knight | IL | Sandburg | 2016 | LHP | |
| Jared Komarynsky | IL | Neuqua Valley | 2018 | 3B | |
| Ryan Kordik | IL | Johnsburg | 2017 | RHP | |
| Nick Kuchel | IL | Sandburg | 2016 | OF | |
| Thomas Langley | IL | Joliet Central | 2017 | C | |
| Jimmy Laurenti | IL | Aurora Central Catholic | 2017 | OF | |
| Jake Leonard | IL | Oswego East | 2016 | 2B | Iowa Wesleyan University |
| Cameron Litwiller | IL | Olympia | 2016 | LHP | |
| Andrew Loberg | IL | Waubonsie Valley | 2016 | OF | |
| Jack Lombardi | IL | Loyola | 2016 | SS | Jefferson JC |
| Ryan Louck | IL | Plainfield East | 2018 | LHP | Maryville University |
| Kyle MacFarlane | IL | Plainfield Central | 2016 | OF | Aurora University |
| Ricky Malmfeldt | IL | Joliet Central | 2017 | 1B | |
| Mike Massaro | IL | Providence Catholic | 2017 | C | Hillsdale College |
| J.P Massey | IL | Gwendolyn Brooks | 2018 | RHP | Minnesota |
| Giuseppe Mattera | IL | Pleasant Plains | 2018 | LHP | Lincoln Land CC |
| Kyle McBrady | IL | Providence Catholic | 2017 | C | |
| Ian McCormick | IL | Lincoln-Way East | 2017 | RHP | |
| Jimmy McDonald | IL | Lake Park | 2016 | RHP | Quincy University |
| Robby McGaha | IL | Stevenson | 2016 | C | USC Upstate |
| Eli Mercado | IL | Taft | 2015 | SS | Longwood |
| Matt Mier | IL | Tri-Valley | 2018 | SS | Judson University (IL) |
| Antonio Milazzo | IL | Minooka | 2017 | SS | Dominican University (IL) |
| Jay Militello | IL | Fenwick | 2016 | RHP | Lewis University |
| Nolan Moeller | IL | Rock Falls | 2016 | LHP | Kishwaukee JC |
| Ryan Molina | IL | Oak Park-River Forest | 2017 | SS | |
| Ryan Muehlfelt | IL | Wheaton North | 2016 | SS | |
| Matthew Mulhearn | IL | Marian Catholic | 2016 | RHP | Webster University |
| Devin Myers | IL | Metea Valley | 2017 | C | |
| Maclain Neal | IL | Hinsdale Central | 2016 | 2B | DePauw University |
| Kyle Nolan | IL | Lincoln-Way Central | 2016 | OF | |
| Trevor Olson | IL | Plainfield North | 2016 | OF | |
| Tripp Paris | IL | Bartlett | 2016 | 3B | Wisconsin-Oshkosh |
| Michael Pastuovic | IL | York | 2018 | 1B | |
| Chase Patterson | IL | Libertyville | 2017 | SS | Central Michigan |
| Damian Pierce | IL | Springfield | 2017 | 1B | Parkland College |
| Jake Pomykalski | IL | Lincoln-Way East | 2017 | RHP | Illinois-Chicago |
| William Porcaro | IL | Notre Dame | 2016 | LHP | |
| Jimmy Quinn | IL | Lincoln-Way East | 2017 | C | South Suburban JC |
| Erik Rabin | IL | St. Charles North | 2016 | C | Vassar College |
| Jack Rigoni | IL | Neuqua Valley | 2018 | OF | Jefferson JC |
| Andrew Rodriguez | IL | Oak Forest | 2016 | 1B | Tennessee-Martin |
| Collin Rogiers | IL | Rock Island Alleman | 2018 | RHP | Saint Ambrose University |
| Alex Santiago | IL | Plainfield Central | 2017 | 2B | |
| Nick Santoro | IL | Waubonsie Valley | 2016 | SS | Wisconsin-Whitewater |
| Vince Schwartz | IL | Oswego East | 2016 | 1B | |
| Trevor Sefcik | IL | Wauconda | 2017 | 3B | Lincoln Land CC |
| Jackson Shepherd | IL | Minooka | 2017 | OF | Mesa CC |
| Brennan Showers | IL | Stillman Valley | 2016 | LHP | |
| Christian Sidoti | IL | St. Charles North | 2016 | RHP | Parkland College |
| Miles Simington | IL | Normal Community | 2017 | OF | Purdue |
| Dakota Slagle | IL | Romeoville | 2015 | C | |
| Sultan Solebo | IL | Plainfield Central | 2016 | RHP | Parkland College |
| Matt Sonntag | IL | Crete-Monee | 2016 | LHP | Valparaiso |
| Joe Spano | IL | Waubonsie Valley | 2016 | C | |
| Alex Steinbach | IL | Plainfield North | 2017 | 1B | Nova Southeastern University |
| David Stocking | IL | Joliet Central | 2017 | 2B | |
| Michael Stupinski | IL | Fenwick | 2017 | RHP | Georgetown |
| Ben Swords | IL | Freeport | 2017 | 3B | Webster University |
| Alek Thomas | IL | Mt. Carmel | 2018 | OF | Texas Christian |
| Chad Tucker | IL | Lincoln-Way Central | 2016 | 1B | Elmhurst University |
| Zac Veitch | IL | Walter Payton | 2016 | LHP | |
| Maliek Wade | IL | Bolingbrook | 2016 | SS | |
| Percy Walters | IL | Homewood-Flossmoor | 2016 | 3B | Morehouse College |
| Max Warren | IL | Yorkville | 2017 | OF | Lewis University |
| Jake Wenz | IL | Neuqua Valley | 2018 | C | Wisconsin-Whitewater |
| Zach Wenz | IL | Neuqua Valley | 2018 | RHP | |
| Kyle Werries | IL | Chatham-Glenwood | 2018 | 3B | Lincoln Land CC |
| Brett Whelton | IL | St. Francis | 2016 | C | McNeese State |
| Alex Wiedemann | IL | St. Charles North | 2016 | RHP | |
| Joseph Yanke | IL | Plainfield South | 2017 | LHP |