Preseason I.D. - Gurnee
| Name | State | School | Class | Pos | Commitment |
| Tim Alfonso | FL | IMG Academy | 2018 | 2B | |
| Robert Archbold | IL | Warren | 2017 | OF | Parkland College |
| Jack Arnstein | IL | Highland Park | 2017 | RHP | Denison University |
| Cole Aughenbaugh | IL | Oswego | 2017 | OF | Saint Ambrose University |
| Joel Basara | IL | Carmel Catholic | 2017 | OF | |
| Chris Baumann | IL | Carmel Catholic | 2016 | RHP | |
| Casey Becker | IL | Wheaton North | 2016 | 1B | Ashland University |
| Michael Bengston | IL | Grant | 2016 | OF | |
| Ike Bertels | IL | Edwardsville | 2017 | 2B | |
| Bill Blank | IL | Cary-Grove | 2018 | C | Rock Valley JC |
| Collin Brown | IL | Bremen | 2018 | C | South Suburban JC |
| Johnny Buckner | IL | Mundelein | 2017 | RHP | College of Lake County |
| Payton Burch | IL | New Trier | 2018 | SS | Denison University |
| Anthony Calarco | IL | New Trier | 2018 | OF | Northwestern |
| Rich Campbell | IL | Loyola | 2017 | RHP | |
| Anthony Campeau | IL | LIbertyville | 2017 | OF | |
| Patrick Carpenter | IL | Loyola | 2017 | OF | |
| John Carpinelli | IL | Buffalo Grove | 2017 | 3B | Indianapolis |
| Austin Cerny | IL | Hinsdale Central | 2016 | OF | |
| Jack Christensen | IL | Lakes Community | 2017 | RHP | |
| Tavarus Collins | IL | Zion Benton | 2016 | OF | |
| Nick Cosentino | IL | Carmel Catholic | 2016 | RHP | |
| Connor Crawley | IL | Stevenson | 2016 | OF | |
| Matthew Croisant | IL | Lake Forest | 2018 | OF | |
| Derek Daniels | IL | Carmel Catholic | 2018 | 3B | |
| Noah Dawkins | IL | St. Charles North | 2016 | SS | Gordon College |
| Patrick Day | IL | Antioch | 2018 | OF | |
| Sam DeLuca | IL | Warren | 2018 | C | |
| Thomas Donnelly | IL | Notre Dame | 2018 | RHP | |
| Caleb Durbin | IL | Lake Forest | 2018 | SS | Washington University (MO) |
| Christian Dutler | IL | Stevenson | 2016 | C | Truman State University |
| Austin Ehren | IL | Carmel Catholic | 2018 | OF | Belmont |
| Liam Evans | IL | Carmel Catholic | 2017 | SS | |
| Mike Fuentes | IL | Bremen | 2017 | RHP | Northern Illinois |
| Alex Gamache | IL | Lake Forest | 2017 | C | Georgetown |
| Ben Gutke | IL | Antioch | 2017 | 3B | |
| Liam Hannigan | IL | Warren | 2018 | 3B | Wisconsin-Oshkosh |
| Kyle Harmon | IL | Wauconda | 2015 | LHP | McHenry County JC |
| Patrick Humphrey | IL | McHenry | 2016 | RHP | Marian University (WI) |
| Nate Jacobson | IL | Crystal Lake South | 2018 | SS | |
| JR Johnson | IL | Antioch | 2018 | C | Marian University (WI) |
| George Karavidas | IL | Glenbrook South | 2015 | SS | |
| Justin Kopech | IL | Stevenson | 2016 | RHP | Beloit College |
| Jeff Korus | IL | Barrington | 2017 | OF | |
| Dru Kotlinski | IL | Yorkville | 2017 | 2B | |
| Sam LaMotte | IL | Warren | 2016 | RHP | Grinnell College |
| Matt Latoria | IL | Lake Park | 2017 | SS | |
| Shane Layshock | IL | Cary Grove | 2018 | OF | |
| Ricky Lee | IL | Warren | 2017 | 1B | Marian University (WI) |
| Ryan Lee | IL | Warren | 2017 | OF | |
| Ryan Lee | IL | Lake Forest | 2018 | OF | |
| Jake Lenti | IL | Mount Carmel | 2016 | OF | |
| Charlie Ling | IL | Stevenson | 2017 | SS | |
| Jordan Litke | IL | Warren | 2017 | RHP | North Central College |
| Dustin Lyon | IL | Limestone | 2018 | SS | Lincoln Land CC |
| Kevin Malisheski | IL | Wauconda | 2016 | RHP | Illinois State |
| Jack McCullough | IL | Warren | 2017 | LHP | Army |
| Marc Miguel | IL | Marian Central Catholic | 2016 | 2B | |
| Stephen Mogged | IL | Lakes Community | 2017 | OF | Southern Illinois |
| Christian Mota | IN | Lake Central | 2016 | 2B | |
| Jake Motley | IL | Wauconda | 2018 | 3B | |
| Dylan Murillo | IL | Bolingbrook | 2017 | LHP | |
| Alec Muscarello | IL | Saint Viator | 2016 | RHP | |
| John O'Reilly | IL | Carmel Catholic | 2017 | OF | |
| Porter Olson | IL | Cary Grove | 2018 | RHP | |
| James Owens | IL | Cary Grove | 2018 | OF | |
| Gabriel Panza | IL | Oswego | 2017 | C | Dubuque |
| Victor Perez | IL | Warren | 2017 | C | |
| Jackson Petersen | IL | Libertyville | 2017 | C | Pennsylvania |
| Austin Pilaski | IL | Wauconda | 2018 | SS | |
| Joe Prestamer | IL | Lincoln-Way East | 2017 | RHP | Illinois Wesleyan University |
| Will Pudik | IL | Peoria Notre Dame | 2018 | C | Illinois |
| Andy Quandt | IL | Grayslake Central | 2016 | OF | |
| Trevor Ranallo | IL | Huntley | 2016 | 2B | JC of Lake County |
| Evan Rapp | IL | Warren | 2018 | OF | |
| Cam Redding | IL | New Trier | 2018 | C | St. Louis |
| Charlie Reinkemeyer | IL | Lake Forest | 2017 | SS | |
| Sean Robinson | IL | Lincoln-Way East | 2017 | OF | Washington University (MO) |
| Max Rosenthal | IL | New Trier | 2017 | C | |
| Matthew Rozsypal | IL | Lake Forest | 2018 | SS | |
| Justin Ruehl | IL | Taft | 2018 | RHP | Benedictine University (IL) |
| Addison Ruot | IL | Pleasant Plains | 2018 | OF | |
| Nathaniel Segura | IL | St. Patrick | 2016 | C | Adrian College |
| Ryan Selig | IL | Lakes Community | 2018 | OF | |
| Nathan Shapiro | IL | New Trier | 2018 | 3B | Case Western |
| Nick Sheren | IL | Antioch | 2018 | RHP | Augustana College (IL) |
| Aaron Simon | IL | St. Charles North | 2016 | 1B | |
| Benjamin Skolek | IL | Lincoln-Way North | 2017 | LHP | |
| Michael Sobel | IL | Stevenson | 2017 | RHP | |
| Tanner Spinks | IL | St. Francis | 2018 | OF | Tampa |
| Tyler Stamer | IL | Edwardsville | 2016 | 3B | McHenry County JC |
| Jake Stelmachowski | IL | Crystal Lake Central | 2016 | 1B | |
| Patrick Stewart | IL | McHenry | 2018 | RHP | |
| Jack Swain | IL | Metamora | 2017 | 1B | Morton JC |
| Max Swiatek | IL | Lakes Community | 2016 | 2B | |
| Jed Thomas | IL | Lake Forest | 2018 | SS | |
| Justin Trausch | IL | Cary-Grove | 2017 | SS | |
| Ethan Unger | IL | Grant | 2016 | C | |
| Jake VanGilder | IL | Oswego | 2017 | C | |
| Max Walter | IL | McHenry West | 2017 | RHP | |
| Jack Warshawsky | IL | Highland Park | 2018 | RHP | |
| Tristan Wehrheim | IL | Carmel Catholic | 2017 | OF | |
| Alex Williams | IL | Warren | 2017 | RHP | |
| Tyler Zarembka | IL | Providence Catholic | 2017 | LHP | |
| Zachary Zarifian | IL | Zion Benton | 2016 | SS | Rend Lake JC |