IA Underclass Prospect Games (Invite Only)
| Name | State | School | Class | Pos | Commitment |
| Luke Anderson | IA | Central Dewitt | 2020 | LHP | Palm Beach State College |
| Will Armstrong | IA | Des Moines Roosevelt | 2020 | SS | Wartburg College |
| Caiden Barnett | IA | Cedar Falls | 2020 | SS | Marshalltown CC |
| Jase Bauer | IA | Ankeny | 2021 | SS | Central Michigan |
| Jake Benson | IA | Southeast Polk | 2020 | RHP | Simpson College |
| Reece Beuter | IA | Dike-New Hartford | 2020 | RHP | Iowa |
| Cael Boever | SD | Sioux City East | 2021 | SS | Des Moines Area CC |
| Alec Boldt | IA | Iowa City Liberty | 2020 | 1B | Cornell College |
| Evan Borst | IA | Norwalk | 2021 | RHP | Nebraska |
| Cael Boyd | IA | Ankeny | 2021 | OF | Iowa Central CC |
| Adam Brauch | IA | Dowling Catholic | 2020 | SS | Valparaiso |
| Brody Brecht | IA | Ankeny | 2021 | RHP | Iowa |
| Ben Bryant | IA | Western Dubuque | 2020 | 2B | Wartburg College |
| Colton Butler | IA | Oskaloosa | 2020 | LHP | Marshalltown CC |
| Tom Casey | IA | Dubuque Senior | 2020 | 3B | Saint Ambrose University |
| Gehrig Christensen | IA | Urbandale | 2021 | C | Iowa |
| Kannon Coakley | IA | Maquoketa | 2021 | 3B | Southern Indiana |
| Kaden Dewey | IA | Waverly-Shell Rock | 2020 | OF | Simpson College |
| Hudson Dunwoody | IA | Ankeny | 2020 | OF | Cornell College |
| Trey Eagle | IA | West Branch | 2020 | 3B | Frontier Community College |
| Jacob Fees | IA | Norwalk | 2020 | 3B | Iowa Central CC |
| Nile Foss | IA | Des Moines Roosevelt | 2020 | LHP | Iowa Central CC |
| Elijah Frank | WI | Bay Port | 2021 | 3B | Wisconsin-Whitewater |
| Nolan Frey | IA | Iowa City Liberty | 2020 | LHP | Mount Mercy University |
| Weston Fulk | IA | Ankeny | 2021 | LHP | Iowa |
| Chase Garvin | IA | Wilton | 2021 | 3B | |
| Preston Gill | IA | OA-BCIG | 2021 | RHP | Central College |
| Anthony Hacker | IA | Sioux City East | 2020 | RHP | |
| ELLIOTT HACKETT | SD | SIOUX FALLS LINCOLN | 2020 | SS | |
| Luke Haedt | IA | North Scott | 2020 | OF | |
| Blaine Harpenau | IA | Remsen St. Mary's | 2021 | RHP | Arkansas State |
| Andrue Henry | IA | Hempstead | 2020 | 3B | Mount Mercy University |
| Ever Jens | IA | Davenport Central | 2020 | RHP | Black Hawk JC-Moline |
| Carter Junge | IA | Sioux City East | 2020 | 1B | |
| Caden Kipper | IA | Pleasant Valley | 2021 | OF | Southeastern CC (IA) |
| Jackson Lamboley | IL | Oswego East | 2021 | OF | |
| Tucker Langenberg | IA | Urbandale | 2021 | RHP | |
| Ty Langenberg | IA | Urbandale | 2020 | RHP | Iowa |
| Hunter Lockhart | IA | Clinton | 2021 | 3B | |
| Brayden Lodge | IA | Camanche | 2021 | RHP | Dubuque |
| Jalen Martinez | IA | Waukee | 2020 | OF | Iowa Central CC |
| Jake Matthaidess | IA | North Scott | 2020 | LHP | Oakland |
| Nolan McLean | IA | Anamosa | 2021 | RHP | Kirkwood CC |
| Alex Meister | IA | Iowa City Regina | 2020 | RHP | Mount Mercy University |
| Aiden Moeller | IA | Cedar Rapids Prairie | 2021 | 3B | Kirkwood CC |
| Sam Nicolino | IA | Des Moines Roosevelt | 2020 | OF | Des Moines Area CC |
| Alec Nigut | IA | Des Moines Roosevelt | 2020 | OF | Southern Illinois |
| Jackson Nove | IA | Cedar Rapids Prairie | 2021 | LHP | Kentucky |
| Dylan Page | IA | Linn-Mar | 2021 | C | Rose-Hulman Institute of Technology |
| Alec Patino | IA | Sioux City East | 2020 | C | Iowa Western CC |
| Chayce Patterson | IA | Sioux City East | 2020 | 2B | |
| Casey Perrenoud | IA | Western Dubuque | 2020 | RHP | Southeastern CC (IA) |
| Bryce Phelps | IA | Denver | 2021 | OF | Southeastern CC (IA) |
| Mason Porepp | IA | Southeast Polk | 2020 | C | Northwestern College (IA) |
| Jackson Powell | IA | Ankeny Centennial | 2021 | C | Illinois Central JC |
| Cale Raasch | IA | Southeast Polk | 2020 | SS | |
| Jack Rabern | SD | Harrisburg High School | 2020 | OF | |
| Jack Rabern | IA | Harrisburg | 2020 | OF | |
| Brock Reade | IA | Clear Creek Amana | 2021 | LHP | Mount Mercy University |
| Brooks Reiter | IA | Pleasant Valley | 2021 | 2B | |
| Wyatt Reitmeier | SD | Sioux Falls Washington (SD) | 2020 | SS | Morningside College |
| Bryce Rinderknecht | IA | Ankeny | 2020 | RHP | MidAmerica Nazarene University |
| Payton Schauf | IA | Sigourney | 2020 | RHP | |
| Keian Secrist | IA | Iowa City Liberty | 2021 | RHP | Kirkwood CC |
| Slade Sibenaller | IA | Carroll | 2021 | SS | Iowa Western CC |
| Jayden Singleton | IA | Des Moines Roosevelt | 2020 | OF | Des Moines Area CC |
| Eli Slaymaker | IA | Iowa Valley- Marengo | 2021 | RHP | Wartburg College |
| Cole Smith | IA | Dubuque Senior | 2021 | SS | Southeastern CC (IA) |
| Logan Smith | IA | Dallas Center-Grimes | 2020 | RHP | South Dakota State |
| Casey Stalzer | IA | WDM Valley | 2020 | RHP | Kirkwood CC |
| Jackson Stoefen | IA | North Scott | 2020 | RHP | Toledo |
| Nick Stubbs | IA | Waukee | 2020 | 2B | |
| Cade Timmerman | IA | Benton | 2021 | 3B | Southeastern CC (IA) |
| Brad Tornow | IA | Mid-Prairie | 2020 | LHP | Northwestern College (IA) |
| Tyler Tscherter | IA | Gladbrook-Reinbeck | 2020 | SS | Missouri State |
| Luke Turner | IA | Washington | 2020 | SS | Truman State University |
| Noah Van Vark | IA | Pella | 2020 | 3B | |
| Noah Van Veldhuizen | IA | Oskaloosa | 2020 | RHP | Kirkwood CC |
| Logan VanLaanen | WI | Bay Port | 2021 | C | Iowa Central CC |
| Easton Voigt | IA | Sioux City East | 2021 | C | |
| Zeb Wede | IA | Harrisburg (SD) | 2020 | OF | Ellsworth CC |
| Colby Wigham | IA | Dallas Center-Grimes | 2020 | RHP | |
| Griffin Wilder | IA | North Scott | 2020 | C | Missouri Southern |
| Tate Wishard | IA | Sioux Falls O'Gorman (SD) | 2020 | C | Wisconsin-La Crosse |
| Wilx Witthoft | IA | Washington | 2021 | 3B | |
| Jacob Wolver | IA | Johnston | 2021 | 1B | Grand View University |
| Wilson Zuck | WI | Appleton North | 2021 | OF | Lindenwood University |