Unsigned Senior Showcase - St. Louis
| Name | State | School | Class | Pos | Commitment |
| Jack Adler | MO | Principia | 2018 | SS | Principia College |
| Jacob Bauer | MO | Fort Zumwalt West | 2018 | C | |
| Cam Been | MO | Rockwood Summit | 2018 | 2B | |
| Travis Black | IL | Carmi-White County | 2018 | C | |
| Hunter Brown | MO | Marquette | 2018 | RHP | Missouri Baptist University |
| Jordan Clooney | MO | Seckman | 2018 | RHP | |
| Christopher Connolly | MO | Francis Howell North | 2018 | OF | |
| Joseph Costanzo | MO | Rockhurst | 2018 | SS | McKendree University |
| Tate Davison | IL | Benet | 2018 | OF | |
| Nolan Dempsay | MO | Kirksville | 2018 | 1B | Indian Hills CC |
| Thomas Dreller | MO | Parkway West | 2018 | OF | McKendree University |
| Trevor Durand | IL | Mt Zion | 2018 | OF | Millikin University |
| Daniel Ensign | IL | Barrington | 2018 | OF | Gordon College |
| Dan Favazza | MO | St. Louis University | 2018 | OF | |
| Ethan Fletchall | MO | Liberty North | 2018 | C | |
| Alex Foppe | MO | St. Marys | 2018 | RHP | Webster University |
| Andrew Fox | MO | Rockhurst | 2018 | 1B | McKendree University |
| Nicholas Fuller | MO | Liberty North | 2018 | C | Missouri S&T |
| Cole Hampton | IL | Edwardsville | 2018 | 3B | Missouri S&T |
| Will Heller | MO | Blue Springs South | 2018 | 3B | |
| Austin Holt | MO | Galena | 2018 | 2B | Northwest Missouri State |
| Adam Kopff | MO | St. Mary's | 2018 | OF | Lincoln Trail JC |
| Justin Lamp | IL | Carmi-White | 2018 | RHP | Rend Lake JC |
| Tevin Lee | IL | Du Quoin | 2018 | 1B | |
| Kayden Lewis | MO | Hickman | 2018 | OF | |
| Clay Mandernach | MO | Fort Zumwalt West | 2018 | RHP | Crowder JC |
| Avery Morrow | MO | Union | 2018 | C | |
| Chris Murphy | IL | Jacksonville | 2018 | LHP | |
| Adam Rakowiecki | MO | St Mary's | 2018 | SS | |
| Stephen Randazzo | MO | De Smet Jesuit | 2018 | 3B | Drury University |
| Alex Schreiber | IL | Hillsboro | 2018 | 3B | |
| AJ Spinello | MO | Rockhurst | 2018 | C | Arkansas State |
| Josiah Steen | MO | St. Louis Patriots Homeschool | 2018 | C | |
| Cade Teat | MO | Excelsior Springs | 2018 | SS | |
| Dan Ulses | MO | Francis Howell Central | 2018 | OF | |
| Jackson Van Iwaarden | MO | Lafayette | 2018 | 1B | Monmouth College |
| Jase Wallingford | IL | Quincy Notre Dame | 2018 | RHP | San Jacinto JC |
| Kyle Weber | MO | Marshall | 2018 | SS | |
| Alex Welborn | MO | Vianney | 2018 | 1B |