Preseason I.D. - Gurnee
| Name | State | School | Class | Pos | Commitment |
| Cole Aughenbaugh | IL | Oswego | 2017 | OF | Saint Ambrose University |
| Andrew Austin | IL | Warren | 2019 | RHP | |
| Brandon Banker | IL | Carmel Catholic | 2019 | OF | |
| Joel Basara | IL | Carmel Catholic | 2017 | OF | |
| MIchael Bedard | IL | Barrington | 2019 | RHP | |
| Jacob Biggs | IL | Grant | 2018 | SS | |
| Peyton Bizarri | IL | Rockridge | 2016 | LHP | Indian Hills CC |
| Joshua Bleichman | IL | Buffalo Grove | 2019 | C | |
| Joe Bogdan | IL | Hinsdale Central | 2018 | LHP | |
| Matt Bordwine | IL | Warren | 2017 | OF | |
| Charles Burr | IL | Grayslake North | 2017 | OF | |
| Joey Chiappetta | IL | York | 2018 | SS | |
| Jack Christensen | IL | Lakes Community | 2017 | RHP | |
| Nick Corlett | IL | Maine South | 2018 | OF | |
| Matthew Croisant | IL | Lake Forest | 2018 | OF | |
| Jacob Curley | WI | Wilmot Union | 2017 | C | |
| William Davis | IL | Lake Forest | 2019 | OF | |
| Patrick Day | IL | Antioch | 2018 | OF | |
| Pasquale DeFilippis | IL | Warren | 2018 | RHP | |
| Sam DeLuca | IL | Warren | 2018 | C | |
| Ryan Denz | IL | Dundee-Crown | 2017 | SS | North Park University |
| David Dibble | WI | Kenosha Tremper | 2017 | RHP | |
| Aidan Dolan | IL | Buffalo Grove | 2017 | RHP | Toronto Metropolitan |
| Kyle Duenas | IL | Warren | 2019 | OF | |
| Tanner Dyer | IL | Warren | 2017 | OF | |
| Aidan Earl | IL | Grant | 2017 | RHP | Carthage College |
| Clark Elliott | IL | Barrington | 2019 | OF | Michigan |
| Colin Fields | IL | Libertyville | 2018 | RHP | Valparaiso |
| Noah Fischer | IL | Peoria Notre Dame | 2017 | LHP | Illinois Central JC |
| Matt Fix | IL | Carmel Catholic | 2018 | SS | |
| Kyle Fleming | IL | Lake Zurich | 2017 | 3B | |
| Sam Fradin | IL | Deerfield | 2017 | 3B | |
| Neil Freeman | IL | DePaul College Prep | 2017 | OF | Triton JC |
| Jimmy Friel | IL | Grant | 2018 | SS | Wisconsin-Oshkosh |
| Alex Gamache | IL | Lake Forest | 2017 | C | Georgetown |
| Nick Gavin | IL | Carmel Catholic | 2019 | LHP | |
| Josh Golibrzuch | IL | Romeoville | 2018 | 2B | Judson University (IL) |
| Clay Goreth | IL | East Peoria | 2018 | SS | |
| Andrew Gough | IL | Lake Forest | 2018 | SS | Middlebury College |
| Kyle Grawe | IL | Carmel Catholic | 2019 | C | |
| Matthew Grubb | IL | Lakes Community | 2018 | RHP | Benedictine University (IL) |
| Chase Hacker | IL | Normal West | 2018 | 1B | Elmhurst University |
| Colton Hale | IL | St. Joseph-Ogden | 2017 | RHP | Illinois-Springfield |
| Max Herubin | IL | Carmel Catholic | 2019 | C | Eastern Gateway CC |
| Brandon Houtz | IL | Warren | 2019 | OF | Wisconsin-Platteville |
| Xavier Hunter | IL | Warren | 2018 | 3B | |
| Kyle Ives | IL | Cary Grove | 2018 | C | Waubonsee CC |
| JR Johnson | IL | Antioch | 2018 | C | Marian University (WI) |
| Sam Jones | IL | Brother Rice | 2018 | SS | Indiana |
| Brandon Khan | IL | Lakes Community | 2017 | RHP | |
| Nolan Kiel | IL | Carmel Catholic | 2019 | RHP | |
| Ryan Kordik | IL | Johnsburg | 2017 | RHP | |
| Ben Kowalski | IL | Ottawa | 2017 | RHP | Webster University |
| Cameron Kukla | IL | Carmel Catholic | 2017 | 1B | |
| Carter Kukla | IL | Carmel Catholic | 2017 | OF | |
| Luke Kulton | IL | Hoffman Estates | 2016 | OF | |
| Joey Lake | IL | Carmel Catholic | 2017 | 3B | |
| Brad Larsen | IL | Vernon Hills | 2017 | RHP | |
| Ryan Larsen | IL | Vernon Hills | 2017 | RHP | |
| Ricky Lee | IL | Warren | 2017 | 1B | Marian University (WI) |
| Ryan Lee | IL | Warren | 2017 | OF | |
| Ryan Lee | IL | Lake Forest | 2018 | OF | |
| Anthony Lelli | IL | South Elgin | 2017 | C | |
| Ryan Lin-Peistrup | IL | Loyola | 2017 | SS | Illinois-Chicago |
| Jordan Litke | IL | Warren | 2017 | RHP | North Central College |
| Matt Marczyk | IL | Dundee Crown | 2017 | C | Illinois Valley CC |
| Brandon Matias | IL | Glenbrook South | 2019 | OF | |
| Jeremy Meger | IL | Niles West | 2017 | 2B | North Park University |
| Sonny Mentone | IL | Antioch | 2017 | LHP | College of Lake County |
| Cameron Mitchell | IL | Homewood-Flossmoor | 2017 | OF | Spoon River JC |
| Brian Mohry | IL | Warren | 2019 | C | |
| Jonathan Montalvo | IL | St. Patrick | 2017 | RHP | |
| Logan Mueller | IL | Lakes Community | 2019 | RHP | John A. Logan JC |
| Dylan Niedzwiecki | IL | Lake Zurich | 2017 | OF | Wisconsin-Oshkosh |
| Trevor Niedzwiecki | IL | Lake Zurich | 2017 | C | Wisconsin-Oshkosh |
| Luke Nolan | IL | Lake Forest | 2019 | SS | |
| Kevin O'Brien | IL | Grayslake Central | 2019 | SS | |
| Brandon Olion | IL | Champaign Centennial | 2018 | OF | Missouri-St. Louis |
| Charlie Pakenas | IL | York | 2018 | RHP | |
| Reese Patterson | IL | Libertyville | 2019 | SS | |
| Josh Pawlowski | IL | Belvidere North | 2017 | OF | Dubuque |
| Victor Perez | IL | Warren | 2017 | C | |
| Declan Peterson | IL | Grayslake North | 2017 | SS | Concordia University-Chicago |
| Sawyer Phillips | IL | Antioch | 2019 | RHP | Wisconsin-La Crosse |
| Eddie Pietschmann | IL | Carmel Catholic | 2017 | OF | Wisconsin-Oshkosh |
| Evan Pilat | IL | Huntley | 2018 | 3B | |
| Cal Poremba | IL | Warren | 2017 | C | |
| Quinn Priester | IL | Cary Grove | 2019 | RHP | Texas Christian |
| Robert Ramirez | IL | Carmel Catholic | 2018 | SS | |
| Eric Rapanan | IL | Warren | 2018 | 2B | |
| Evan Rapp | IL | Warren | 2018 | OF | |
| Noah Reed | WI | Indian Trail | 2019 | SS | |
| Parker Reinhard | IL | Warren | 2017 | 3B | Wisconsin-Platteville |
| Charlie Reinkemeyer | IL | Lake Forest | 2017 | SS | |
| Jonny Salm | IL | Lake Forest | 2017 | 2B | |
| Mason Schaller | IL | Mundelein | 2018 | C | Triton JC |
| Lukas Schmitt | IL | Warren | 2017 | OF | Wisconsin-La Crosse |
| Ronnie Slawek | IL | Grayslake North | 2018 | 3B | |
| Jackson Smoko | WI | Bradford | 2018 | 3B | |
| Korey Soetaert | IL | Wauconda | 2017 | RHP | |
| Colin Spranger | IL | Warren | 2018 | 3B | Ohio Wesleyan University |
| Nate Styles | IL | Warren | 2017 | RHP | Air Force |
| Connor Szwajkowski | IL | Antioch | 2018 | 3B | |
| Brett Taucher | IL | Elk Grove | 2017 | RHP | Quincy University |
| Matt Temaner | IL | Warren | 2017 | 2B | |
| Nolan Unger | IL | Grant | 2018 | OF | McHenry County JC |
| Carter Volk | IL | Warren | 2018 | 2B | |
| Bradley Vondruska | IL | Warren | 2019 | 2B | Milwaukee Area Technical JC |
| Quentin Wallace | IL | Hinsdale Central | 2018 | C | |
| JR Walsh | IL | Montini Catholic | 2017 | SS | |
| Jake Wenz | IL | Neuqua Valley | 2018 | C | Wisconsin-Whitewater |
| Zach Wenz | IL | Neuqua Valley | 2018 | RHP | |
| Andrew Wiegman | IL | Carmel Catholic | 2019 | SS | Louisville |
| Drew Winegardner | IL | Vernon Hills | 2017 | SS |