2018 Underclass Games (Invite Only)
| Name | State | School | Class | Pos | Commitment |
| Joshua Alexander | MO | Eureka | 2020 | 1B | |
| Jack Anderson | MO | Oakville | 2021 | 3B | |
| Gideon Antle | MO | Licking | 2020 | OF | Jefferson JC |
| Drew Baughman | MO | Christian Brothers College | 2021 | OF | Quincy University |
| Jackson Beaman | MO | Lincoln | 2020 | SS | Missouri |
| Carter Bither | MO | Springfield Catholic | 2020 | SS | Lindenwood University |
| Brant Bowers | MO | Rock Bridge | 2020 | OF | |
| William Brant | KS | Shawnee Mission East | 2021 | C | |
| Kyle Brown | MO | Hickman | 2020 | RHP | Parkland College |
| Sam Bryan | MO | Kirkwood | 2021 | RHP | Pittsburgh |
| Daniel Burns | MO | Vianney | 2020 | RHP | Illinois College |
| Lucas Burress | MO | Plaza Heights Christian | 2020 | RHP | Hannibal-LaGrange College |
| Sammy Cooper | MO | Lees Summit West | 2020 | RHP | Notre Dame |
| Cylis Cox | IL | Rochester | 2021 | LHP | Heartland CC |
| Brock Daniels | MO | Vianney | 2021 | SS | Oklahoma |
| Jacob Davis | MO | Northeast RIV-Cairo | 2020 | LHP | |
| Zach Dillman | MO | Lee's Summit West | 2020 | C | Missouri State |
| Brayden Eftink | MO | Notre Dame Regional | 2020 | OF | Jefferson JC |
| Jake Evans | MO | Park Hill | 2020 | OF | |
| Tyler Gilmore | MO | Parkway West | 2020 | SS | DePauw University |
| Matthew Haley | MO | Rockwood Summit | 2021 | RHP | Parkland College |
| Dawson Hanner | MO | Poplar Bluff | 2020 | 2B | |
| Jackson Henfling | MO | Kennett | 2020 | C | Three Rivers JC |
| Hunter Hiett | MO | Cape Girardeau Central | 2020 | C | Southeast Missouri State |
| Cade Hohl | MO | SLUH | 2020 | SS | Purdue |
| Ryan Hoshaw | MO | Francis Howell Central | 2021 | LHP | Maryville University |
| Camren Huber | MO | Park Hill South | 2020 | LHP | |
| Dylan Hufft | MO | Park Hill South | 2021 | SS | Kansas State |
| Konner Hutchings | MO | Liberty-Wentzville | 2021 | SS | |
| Michael Infranca | MO | Blue Springs | 2021 | LHP | Washburn University |
| Tyson James | MO | Webster Groves | 2020 | RHP | Iowa |
| Carter Jensen | MO | Park Hill | 2021 | C | Louisiana State |
| Austin Jerger | MO | Northwest Cedar Hill | 2021 | 1B | Mineral Area JC |
| Benjamin Jones | MO | Liberty | 2020 | OF | Northwest Missouri State |
| Corbin Kamradt | MO | Liberty North | 2020 | RHP | Central Missouri |
| Zachary Kempfer | IL | Nashville Community | 2021 | RHP | Southeastern Illinois JC |
| Hudson Leach | MO | Oak Park | 2020 | RHP | Creighton |
| Eric Loomis | MO | Christian Brothers College | 2020 | RHP | Missouri State |
| Josh Lorenz | MO | Lindbergh | 2021 | OF | |
| Tanner Lukitsch | MO | Francis Howell North | 2020 | 3B | |
| Caleb Mabe | MO | Union | 2020 | 1B | St. Charles CC |
| Jake Markert | MO | Fort Zumwalt South | 2021 | OF | Washburn University |
| Corey McCready | KS | Blue Valley Northwest | 2021 | OF | Ottawa University |
| Shea McGahan | MO | Lindbergh | 2021 | C | Johnson County CC |
| Zach McKinnis | MO | Kickapoo | 2021 | RHP | Missouri |
| Jack Minkler | MO | Ladue | 2021 | OF | |
| Tommy Mohan | MO | Parkway West | 2020 | C | McKendree University |
| Aaron Moss | MO | Lindbergh | 2021 | C | Indiana State |
| Spencer Nivens | MO | Rock Bridge | 2020 | OF | Missouri State |
| Ryan Palumbo | MO | Rockwood Summit | 2020 | RHP | John A. Logan JC |
| AJ Perkins | MO | Waynesville | 2020 | C | Crowder JC |
| TJ Racherbaumer | MO | Hermann | 2021 | C | Emporia State University |
| Anthony Ramirez | MO | Lees Summit West | 2020 | SS | |
| Troy Reynolds | MO | Lebanon | 2020 | RHP | Lake Land JC |
| Brady Rhoden | MO | Lees Summit West | 2021 | LHP | Benedictine College (KS) |
| Teague Robertson | MO | Hickman | 2020 | RHP | North Iowa Area CC |
| Mason Rogers | MO | Grain Valley | 2020 | OF | Metropolitan CC |
| Trent Rueckert | MO | Platte County | 2020 | OF | Missouri Western State University |
| Bryce Ruiz | MO | Francis Howell North | 2020 | 2B | |
| Clayton Schneider | MO | Rock Bridge | 2020 | LHP | |
| Jeremy Schork | MO | Rockwood Summit | 2020 | C | Purdue |
| Luke Smith | MO | Parkway South | 2021 | SS | St. Louis CC |
| Auggie Viles | MO | Rockhurst | 2021 | C | Chandler-Gilbert CC |
| Devin Ward | MO | Vianney | 2020 | OF | Marshall |
| Taylor Warren | MO | Blue Springs | 2021 | 2B | John Wood CC |
| Bryce Wear | MO | Fox | 2020 | RHP | Lindenwood University |
| Carson Webb | MO | Poplar Bluff | 2020 | OF | Three Rivers JC |
| Mason Whiteside | MO | Fort Zumwalt West | 2021 | 2B | |
| Parker Wright | MO | Rock Bridge | 2020 | RHP | Missouri |
| Preston Wright | IL | Mascoutah | 2021 | OF | Walters State CC |