Unsigned Senior Showcase
| Name | State | School | Class | Pos | Commitment |
| Danny Ahern | IL | Glenbrook North | 2015 | RHP | Wisconsin-Whitewater |
| Brady Anderson | IL | Gillespie | 2015 | RHP | |
| Ethan Arrigo | IL | Bishop McNamara | 2015 | SS | |
| J.T. Athy | WI | Cudahy | 2015 | 2B | McHenry County JC |
| Chris Atwood | IL | Oak Park-River Forest | 2015 | LHP | Wisconsin-Oshkosh |
| Xavier Avalos | IL | Brooks College Prep | 2015 | 2B | |
| Mike Bauer | WI | Arrowhead | 2015 | C | McHenry County JC |
| Kevin Bonnett | IL | Havana | 2015 | C | |
| Bryan Bund | IL | Lake Forest | 2015 | LHP | Eastern Illinois |
| Homero Chavero | IL | Joliet West | 2015 | C | |
| Parker Coleman | IL | Homewood-Flossmoor | 2015 | OF | Roosevelt University |
| Armando Cornejo | IL | Jones College Prep | 2015 | RHP | |
| Jason Cross | IL | New Berlin | 2015 | RHP | |
| Trevor Dallio | IL | Lincoln-Way West | 2015 | LHP | Rose-Hulman Institute of Technology |
| Garrett Davis | IL | Geneva | 2015 | LHP | |
| Jack Donahue | WI | Marshfield | 2015 | 3B | |
| Carlo Falcioni | IL | Marian Catholic | 2015 | SS | |
| Wes Farmer | IL | Mundelein | 2015 | 2B | |
| Shawn Feagin | IL | LaSalle-Peru | 2015 | 2B | |
| Gregory Gauger | IL | Grayslake Central | 2015 | OF | |
| Nathan Given | IL | Naperville North | 2015 | OF | |
| Chase Hager | IA | Davenport Assumption | 2015 | OF | Iowa Western CC |
| Carter Hayden | IL | Alton | 2015 | RHP | |
| Conor Hayes | IL | Benet | 2015 | 1B | |
| Tyler Hill | IL | Morgan Park | 2015 | OF | Kirkwood CC |
| Jonathan Hodo | IL | Morgan Park | 2015 | 2B | Albany State University |
| Michael Homan | IL | York | 2015 | 3B | College of DuPage |
| John Hughes | IL | Alton Marquette Catholic | 2015 | RHP | Daniel Webster College |
| Jawaune Johnson | IL | Walther Christian | 2015 | OF | |
| Joshua Jones | IL | Morgan Park | 2015 | RHP | |
| Jonathan Keane | WI | Brookfield Central | 2015 | RHP | Calvin University |
| Christian Kimble | IL | Jersey | 2015 | 3B | Southeastern CC (IA) |
| Jacob Kopp | WI | West Bend West | 2015 | RHP | Madison JC |
| Mitchell Krippel | IL | Plainfield Central | 2015 | 1B | |
| Houston Kruse | IL | Breese Central | 2015 | C | |
| Steven Lindsey | WI | Indian Trail | 2015 | 3B | Marian University (IN) |
| Tyler Linna | IL | Oswego East | 2015 | C | |
| Kevin Lochner | IL | Niles West | 2015 | 3B | Benedictine University (IL) |
| Bailey Magruder | IL | Lincoln-Way West | 2015 | C | Daniel Webster College |
| Ben Manski | IL | Libertyville | 2015 | OF | Illinois Wesleyan University |
| Enrique Manzano | IL | Solorio | 2015 | SS | |
| Joey Marras | IL | Vernon Hills | 2015 | C | Illinois Wesleyan University |
| Murrell Martin | IL | Morgan Park | 2015 | OF | |
| Michael Mateja | IL | Bradley-Bourbonnais | 2015 | SS | North Central College |
| General McArthur | IL | Crete-Monee | 2015 | SS | Kirkwood CC |
| Jake Morgan | IL | Lincoln-Way Central | 2015 | LHP | |
| Ryan Morgan | IL | Lincoln-Way Central | 2015 | 3B | |
| Tyler Moua | WI | La Crosse Logan | 2015 | 2B | |
| Matt Musielak | IL | Batavia | 2015 | C | |
| Alsono Ocon | IL | Solorio | 2015 | OF | |
| Jake Petersen | IL | Barrington | 2015 | C | Maryville College |
| Jacob Petraitis | IL | Brother Rice | 2015 | C | St. Mary's |
| Anthony Politano | IL | Stagg | 2015 | RHP | |
| Michael Powers | IL | Benet | 2015 | RHP | |
| Zack Radde | IL | Downers Grove South | 2015 | 2B | Wisconsin-Oshkosh |
| Angel Ramirez | WI | Greendale | 2015 | 2B | Wisconsin-Stevens Point |
| Colin Raslovicz | IL | Lincoln-Way North | 2015 | OF | |
| Owen Reith | IL | Barrington | 2015 | RHP | |
| John Riordan | IL | St. Laurence | 2015 | 3B | Saint Francis (IL) |
| Lucas Robbins | IL | Manteno | 2015 | RHP | Coe College |
| Chris Robinson | IL | Edwardsville | 2015 | RHP | |
| Victor Rodriguez | IL | Bolingbrook | 2015 | 3B | |
| Ryne Sack | WI | Indian Trail | 2015 | RHP | |
| Daniel Sanchez | IL | Mount Carmel | 2015 | OF | |
| Brady Schanuel | IL | Belleville East | 2015 | RHP | Parkland College |
| Connor Schneider | IL | Prairie Ridge | 2015 | 2B | |
| Dakota Slagle | IL | Romeoville | 2015 | C | |
| Dylan Smith | IL | South Central | 2015 | SS | |
| Jonathan Sojka | IL | Glenbard West | 2015 | OF | |
| Ryan Strick | IL | Waubonsie Valley | 2015 | OF | |
| Jason Stricklin | IL | Lincoln-Way Central | 2015 | RHP | Marian University (IN) |
| Clayton Taylor | IL | Sacred Heart-Griffin | 2015 | OF | |
| Zachary Taylor | IL | Homewood-Flossmoor | 2015 | OF | Southwest Tennessee CC |
| Luke Thomka | WI | Muskego | 2015 | RHP | St. Cloud State University |
| Matt Trouten | IL | Moline | 2015 | RHP | |
| Trever Turley | WI | Sacred Heart Griffin | 2015 | RHP | |
| Trever Turley | IL | Sacred Heart-Griffin | 2015 | RHP | |
| Phillip VanZale | IL | Jones College Prep | 2015 | OF | Colorado School of Mines |
| Brandon Viken | IL | Seneca | 2015 | SS | |
| Larry Warr | IL | Morgan Park | 2015 | 1B | |
| Ryan Weiss | IL | South Elgin | 2015 | RHP | Wright State |
| Nicholas Wheeler | IL | Mount Carmel | 2015 | OF | Grambling State |
| Andrew Wrona | IL | Glenbard South | 2015 | SS | Loras College |
| Jackson Yundt | WI | Arrowhead | 2015 | RHP | |
| Tynan Zeller | IL | Edwardsville | 2015 | LHP | |
| Manny Zervos | IL | Rolling Meadows | 2015 | C |