Unsigned Senior Showcase
- PBRPlus Unsigned Senior Showcase: Top Overall Prospects 2/02/18
- IL Unsigned Senior Showcase: Pitcher Analysis 2/01/18
- IL Unsigned Senior Showcase: Infield Analysis 1/31/18
- IL Unsigned Senior Showcase: Outfield Analysis 1/30/18
- IL Unsigned Senior Showcase: Catching Analysis 1/29/18
- IL Unsigned Senior Showcase: Statistical Analysis 1/23/18
- IL Unsigned Senior Showcase: Quick Hits 1/22/18
- IL Unsigned Senior Showcase: Preview 1/17/18
| Name | State | School | Class | Pos | Commitment |
| Jalen Acevedo | IL | Roberto Clemente | 2018 | OF | |
| Zach Asik | WI | Wisconsin Lutheran | 2018 | OF | Dubuque |
| Connor Bauer | IL | Hinsdale Central | 2018 | C | |
| Tyler Baysingar | IL | Brimfield | 2018 | RHP | Monmouth College |
| Steele Beatty | WI | Pewaukee | 2018 | OF | Kishwaukee JC |
| Zach Brandenburg | WI | Grafton | 2018 | 1B | Western Technical JC |
| John Brei | IL | Dekalb | 2018 | 3B | |
| Nicolas Bridgeford | IL | Whitney Young | 2018 | RHP | |
| Keaton Bubala | IL | Latin School of Chicago | 2018 | RHP | DePauw University |
| Jarrett Budde | IL | Breese Central | 2018 | 2B | |
| Adam Budorick | IL | Glenbrook South | 2018 | OF | Lesley University |
| Nicholas Calip | IL | Schaumburg | 2018 | OF | McHenry County JC |
| Kyle Caponi | IL | New Trier | 2018 | OF | |
| Coltrane Chong-Green | IL | Ogden International | 2018 | OF | |
| James Coker | IL | Lakeview | 2018 | RHP | |
| Mitchell Cole | WI | New Berlin Eisenhower | 2018 | LHP | College of Lake County |
| Tanner Cole | WI | Marinette | 2018 | 2B | Hamline University |
| Christian Dearman | IL | Thornton Fractional South | 2018 | OF | |
| Bobby Dockendorf | IL | Joliet Catholic | 2018 | 2B | Manchester College |
| Matthew Eldredge | WI | Marinette | 2018 | LHP | St. Norbert College |
| John Fink | IL | Jerseyville Community | 2018 | LHP | |
| Ryan Flowers | IL | St. Joseph | 2018 | 3B | Black Hawk JC-Moline |
| Xavier Free | IL | Rich Central | 2018 | 1B | |
| Diego Gaines | IL | Lake View | 2018 | 2B | |
| Isaiah Gaines | IL | Homewood-Flossmoor | 2018 | OF | Prairie State JC |
| Joshua Gaines | IL | Homewood-Flossmoor | 2018 | OF | Prairie State JC |
| Niles Gall | IL | Richards | 2018 | OF | |
| Jake Garvey | IL | Riverside-Brookfield | 2018 | OF | Concordia University-Chicago |
| Seth Germann | IL | Carbondale | 2018 | 2B | Millikin University |
| Lucas Gosewehr | WI | Grafton | 2018 | OF | Western Technical JC |
| Nolan Graf | IL | Loyola Academy | 2018 | RHP | |
| Adam Graham | IL | Neuqua Valley | 2018 | OF | Milwaukee School of Engineering |
| Nico Gutierrez | IL | Joliet Central | 2018 | SS | College of DuPage |
| Jeremy Heer | IL | Riverside-Brookfield | 2018 | RHP | Quincy University |
| Ruben Hurtado | IL | Lemont | 2018 | RHP | |
| Jeff Hynes | WI | Brookfield Academy | 2018 | C | Austin College |
| Stephen Insley Jr | IL | St. Rita | 2018 | 2B | |
| Hunter Johnson | IL | St. Viator | 2018 | 2B | |
| Doubah Joseph | IL | Homewood-Flossmoor | 2018 | OF | |
| Collin Kingsbury | IL | Morris | 2018 | RHP | Millikin University |
| Trey Korbel | IL | Lincoln-Way Central | 2018 | RHP | Triton JC |
| Kiefer Kroll | IL | York | 2018 | 1B | |
| Jeremy Laffoon | IL | Crystal Lake Central | 2018 | C | Alma College |
| Kevin Lapka | IL | Lane Tech | 2018 | OF | |
| Zachary Lauras | IL | Minooka | 2018 | SS | Joliet JC |
| Tevin Lee | IL | Du Quoin | 2018 | 1B | |
| Michael Lopez | IL | Grant Community | 2018 | SS | |
| Mack Malczewski | IL | Prospect | 2018 | RHP | Saint Francis (IL) |
| James Matheson | WI | Slinger | 2018 | RHP | Grace College |
| Ben Mazzulla | IL | St. Joseph | 2018 | LHP | Concordia University (WI) |
| Chris McFarland | IL | Rock Island Alleman | 2018 | OF | College of DuPage |
| Griffin McIlwee | WI | Waterford | 2018 | 2B | |
| Nicholas McLawhorn | IL | Shepard | 2018 | 3B | |
| Noah Miller | IL | St. Rita | 2018 | OF | |
| Riley Mindock | IL | Kennedy | 2018 | OF | |
| Freddie Morales | IL | Roberto Clemente | 2018 | SS | |
| Jeff Morton | IL | Mundelein | 2018 | OF | Triton JC |
| Chris Murphy | IL | Jacksonville | 2018 | LHP | |
| Cameron Nahf | WI | Shoreland Lutheran | 2018 | RHP | |
| Sam Nemetz | WI | Parker | 2018 | OF | Marian University (WI) |
| Ellis Nosek | WI | Kettle Moraine | 2018 | OF | |
| Dwayne Overton | IL | T.F. South | 2018 | 3B | |
| Julian Payne | IL | St. Laurence | 2018 | OF | Roosevelt University |
| Ryan Petersen | IL | Glenbard West | 2018 | OF | Calvin College |
| Seth Quick | IL | Montini Catholic | 2018 | RHP | Triton JC |
| Cameron Robinson | IL | Champaign Central | 2018 | RHP | Louisville |
| Daniel Rueth | WI | Wauwatosa West | 2018 | 2B | College of DuPage |
| John Sailor | IL | Home School | 2018 | C | |
| Jackson Schutzenhofer | IL | Schaumburg Christian | 2018 | OF | Elgin CC |
| Ben Seaman | WI | West Bend East | 2018 | SS | |
| Lamond Sims | IL | Harlan | 2018 | RHP | |
| Gage Sisek | OH | Logan | 2018 | 1B | |
| Cole Sizemore | IL | Carterville | 2018 | C | John A. Logan JC |
| Devin Smith | IL | Lincoln-Way Central | 2018 | 2B | Prairie State JC |
| Max Snowden | IL | Grayslake Central | 2018 | OF | Dubuque |
| Wes Sommers | WI | Appleton North | 2018 | RHP | Wisconsin-La Crosse |
| Quincy Sowell | IL | St. Joseph | 2018 | OF | |
| Ben Steiner | IL | Montini Catholic | 2018 | 3B | |
| Scott Stetz | IL | Prairie Ridge | 2018 | C | College of Lake County |
| Zachary Stirnaman | IL | Dunlap | 2018 | SS | |
| Danny Tharp | IL | Waterloo | 2018 | OF | Fontbonne University |
| Devin Tyler | WI | West De Pere | 2018 | OF | Siena Heights University |
| Bryce Urbanek | WI | Mishicot | 2018 | OF | Marian University (WI) |
| Kameron Van Natta | WI | Milton | 2018 | 2B | |
| Jake VanderWoude | IL | Lincoln-Way East | 2018 | SS | Calvin College |
| Jackson Wagner | WI | Oak Creek | 2018 | OF | |
| Jeremiah Williams | IL | T.F. North | 2018 | 2B | Indiana University of Pennsylvania |
| Tanner Williams | WI | Milton | 2018 | 1B | |
| Beau Wills | IL | Coal City | 2018 | RHP | Concordia University (WI) |