Preseason I.D. - Gurnee
| Name | State | School | Class | Pos | Commitment |
| Constantino Alivia | IL | Carmel Catholic | 2019 | C | |
| Charlie Andersen | IL | Notre Dame | 2018 | LHP | Florida Southern College |
| Jack Anderson | IL | Glenbrook South | 2018 | OF | Northern Illinois |
| Nick Angel | IL | Libertyville | 2018 | OF | Dayton |
| Joshua Arejola | IL | Marian Central | 2019 | C | |
| MIchael Bedard | IL | Barrington | 2019 | RHP | |
| Michael Behrendt | IL | Lakes Community | 2018 | OF | John A. Logan JC |
| Charlie Bennett | IL | Bremen | 2019 | C | Purdue University-Northwest |
| Alex Berry | IL | Grayslake Central | 2019 | C | |
| Austin Biehl | IL | Mahomet-Seymour | 2018 | 2B | Parkland College |
| Justin Binz | IL | Mundelein | 2019 | OF | Hope College |
| Mathew Birtman | IL | Lake Forest | 2020 | LHP | |
| McCade Brown | IL | Normal West | 2018 | RHP | Indiana |
| Austin Card | WI | Indian Trail | 2019 | SS | |
| Rahul Champaneri | IL | Mundelein | 2019 | LHP | Concordia University-Chicago |
| Sam Cibulka | IL | Benet | 2019 | 2B | |
| Jason Clark | IL | ROWVA | 2019 | OF | Knox College |
| Isaac Crabb | IL | Harrisburg | 2020 | RHP | Wabash Valley JC |
| Jordan Craig | IL | Marian Catholic | 2018 | SS | |
| Kyle Crawford | IL | Dixon | 2019 | C | Waubonsee CC |
| Patrick Daniels | IL | Loyola | 2019 | C | |
| Hunter Dawson | IL | Huntley | 2020 | C | |
| Austin Delgado | IL | Antioch Community | 2018 | OF | |
| Sam DeLuca | IL | Warren | 2018 | C | |
| Dalton DuPre | IL | Glenbrook North | 2017 | LHP | |
| Jack Elkin | IL | Niles West | 2018 | 2B | |
| Kyle Fasbinder | IL | Vernon Hills | 2018 | 1B | |
| Diego Gaines | IL | Lake View | 2018 | 2B | |
| Nick Gavin | IL | Carmel Catholic | 2019 | LHP | |
| Nick Gilhaus | IL | Normal Community | 2019 | RHP | Wisconsin-Milwaukee |
| Nolan Graf | IL | Loyola Academy | 2018 | RHP | |
| Peter Gross | IL | Antioch | 2018 | 1B | Aurora University |
| Matthew Grubb | IL | Lakes Community | 2018 | RHP | Benedictine University (IL) |
| Connor Gwaltney | IL | Timothy Christian | 2018 | C | Knox College |
| Keegan Henley | IL | Wauconda | 2019 | OF | |
| Max Herubin | IL | Carmel Catholic | 2019 | C | Eastern Gateway CC |
| Austin Higgins | IL | Fremd | 2019 | SS | Oakland |
| Benton Holly | IL | Mundelein | 2018 | C | Carroll University |
| Brandon Houtz | IL | Warren | 2019 | OF | Wisconsin-Platteville |
| Nate Jacobson | IL | Crystal Lake South | 2018 | SS | |
| Brandon Kaihara | IL | Niles West | 2018 | RHP | |
| Marcus Keller | IL | Wauconda | 2019 | RHP | Wisconsin-Oshkosh |
| Nolan Kiel | IL | Carmel Catholic | 2019 | RHP | |
| Daniel Klein | IL | Jacobs | 2019 | OF | McHenry County JC |
| Johnny Kubin | IL | Marist | 2020 | RHP | |
| Andrew Kurcz | IL | Westminster Christian | 2018 | RHP | Ripon College |
| Tim La | IL | Fenwick | 2018 | 2B | Elmhurst University |
| Alberto Lamas | IL | Joliet Catholic | 2020 | RHP | South Suburban JC |
| Dalton Lambert | IL | Harrisburg | 2018 | RHP | Olney Central JC |
| Matthew Langevin | IL | Warren | 2018 | RHP | |
| Ryan Leland | IL | Sandburg | 2019 | RHP | Ball State |
| Andrew Luehr | IL | Crystal Lake South | 2018 | RHP | McHenry County JC |
| Bryce Mandala | IL | Grant | 2019 | 2B | Harper JC |
| Marcus Maristela | IL | Grayslake Central | 2020 | SS | McHenry County JC |
| Owen Martin | IL | Normal University | 2018 | 3B | Illinois Central JC |
| Max McCullough | IL | Warren | 2019 | 3B | |
| Joseph McKermitt | IL | Loyola | 2019 | LHP | North Central College |
| Noah Miller | IL | St Rita | 2018 | OF | |
| Brian Mohry | IL | Warren | 2019 | C | |
| Jeff Morton | IL | Mundelein | 2018 | OF | Triton JC |
| Logan Mueller | IL | Lakes Community | 2019 | RHP | John A. Logan JC |
| Donovan Nanfeldt | IL | Andrew | 2018 | 1B | Indiana University Southeast |
| Edward Nelson | IL | Stagg | 2019 | RHP | |
| Jeffrey Nielsen | IL | Lakes Community | 2019 | C | |
| Camden Nisenson | IL | Crystal Lake Central | 2018 | OF | Purdue University Fort Wayne |
| Jake Novak | IL | Loyola | 2019 | OF | Wisconsin-Milwaukee |
| Matthew Papke | IL | Loyola | 2019 | OF | |
| Michael Pastuovic | IL | York | 2018 | 1B | |
| Jay Patel | IL | Grant | 2018 | RHP | |
| Sawyer Phillips | IL | Antioch | 2019 | RHP | Wisconsin-La Crosse |
| Luke Plunkett | IL | Libertyville | 2018 | C | Luther College |
| Noah Prebish | IL | Deerfield | 2019 | OF | |
| Nic Presutti | IL | Grayslake Central | 2019 | OF | Benedictine University (IL) |
| Robert Ramirez | IL | Carmel Catholic | 2018 | SS | |
| Christian Ransom | IL | T.F. North | 2019 | OF | |
| Shawn Riley | IL | Grant | 2018 | RHP | |
| Edmondo (EJ) Roncone | IL | Lakes Community | 2018 | 2B | |
| Michael Rooney | IL | Highland Park | 2019 | OF | |
| Sam Rossi | IL | Grant | 2020 | RHP | |
| Anthony Schiro | WI | St. Catherines | 2020 | C | |
| Christian Scianna | IL | Jacobs | 2019 | SS | Oakton CC |
| Jackson Smoko | WI | Bradford | 2018 | 3B | |
| Adam Spenk | IL | Hampshire | 2020 | RHP | Elgin CC |
| Colin Spranger | IL | Warren | 2018 | 3B | Ohio Wesleyan University |
| Mike Sullivan | IL | Wheaton North | 2019 | RHP | Maryville University |
| Paul Turelli | IL | Lake Forest | 2017 | C | Illinois State |
| Peter Turelli | IL | Lake Forest | 2019 | 3B | Wisconsin-Whitewater |
| Nolan Unger | IL | Grant | 2018 | OF | McHenry County JC |
| Noah Valin | IL | DeKalb | 2018 | OF | Saint Xavier University |
| Tommy Windt | IL | Sandburg | 2019 | 3B | South Suburban JC |
| Brett Winkel | IL | Wauconda | 2019 | 2B | |
| Danny Wizceb | IL | Vernon Hills | 2019 | RHP | Parkland College |
| Tyler Yakimisky | IL | Mundelein | 2019 | 3B | Illinois-Springfield |
| Rob Zagorski | IL | South Elgin | 2019 | RHP | Elgin CC |