United States Professional Baseball League
Players Signed by MLB Organizations
A total of 56 USPBL players have signed with MLB organizations and 7 have been on Major League Rosters.
| Player | USPBL Team | MLB Roster | Year |
| Dugan Darnell | Hoppers | Colorado Rockies | 2025 |
| Luis Contreras | Hoppers | Houston Astros | 2024 |
| Randy Wynne | Beavers | Cincinnati Reds | 2023 |
| Joey Wiemer | Beavers | Milwaukee Brewers | 2023 |
| Jared Koenig | Unicorns | Oakland Athletics | 2022 |
| Logan Gillaspie | Hoppers | Baltimore Orioles | 2022 |
| Randy Dobnak | Unicorns | Minnesota Twins | 2019 |
| Player | USPBL Team | MLB Organization | Year |
| Choyce Diffey | Beavers | Chicago White Sox | 2025 |
| Andrew Huffman | Unicorns | Minnesota Twins | 2024 |
| Nick Lucky | Mammoths | Minnesota Twins | 2024 |
| Duncan Hewitt | Mammoths | Minnesota Twins | 2023 |
| Francis Florentino | Mammoths | Minnesota Twins | 2023 |
| Kyle Bischoff | Mammoths | Minnesota Twins | 2023 |
| Jake Wosinski | Hoppers | Minnesota Twins | 2023 |
| John Murphy | Mammoths | Cincinnati Reds | 2023 |
| Colton Horner | Mammoths | Arizona Diamondbacks | 2022 |
| Pierce Banks | Hoppers | Minnesota Twins | 2022 |
| Nate Sweeney | Hoppers | Colorado Rockies | 2021 |
| Ricardo Velez | Hoppers | Minnesota Twins | 2021 |
| Jackson Hicks | Mammoths | Minnesota Twins | 2021 |
| Jordan Carr | Unicorns | Minnesota Twins | 2021 |
| Malik Barrington | Beavers | Minnesota Twins | 2021 |
| Nolan Clenney | Unicorns | New York Mets | 2021 |
| Jordan Hovey | Unicorns | Kansas City Royals | 2021 |
| Jarod Wright | Mammoths | Chicago Cubs | 2021 |
| Dugan Darnell | Hoppers | Colorado Rockies | 2021 |
| Max Bain | Unicorns | Chicago Cubs | 2020 |
| Luis Contreras | Hoppers | Milwaukee Brewers | 2019 |
| Alec Craig | Mammoths | Minnesota Twins | 2019 |
| Noah Gotsis | Hoppers | Colorado Rockies | 2019 |
| Adrian Guzman | Unicorns | Minnesota Twins | 2019 |
| Josh Hejka | Mammoths | New York Mets | 2019 |
| Eric Jones | Unicorns | Minnesota Twins | 2019 |
| Kyle Olliges | Beavers | Colorado Rockies | 2019 |
| Spencer Stockton | Unicorns | Cincinnati Reds | 2019 |
| Randy Wynne | Beavers | Cincinnati Reds | 2019 |
| Cody Brown | Unicorns | Seattle Mariners | 2018 |
| Chris Dula | Unicorns | Milwaukee Brewers | 2018 |
| Logan Gillaspie | Hoppers | Milwaukee Brewers | 2018 |
| Jake Mayer | Unicorns | Seattle Mariners | 2018 |
| Jalen Miller | Hoppers | Baltimore Orioles | 2018 |
| Tyler Palm | Hoppers | Minnesota Twins | 2018 |
| Jesse Stinnett | Unicorns | Colorado Rockies | 2018 |
| Tanner Kiest | Hoppers | Minnesota Twins | 2017 |
| Greg Jones | Unicorns | Colorado Rockies | 2017 |
| Kevin Marnon | Beavers | Minnesota Twins | 2017 |
| Randy Dobnak | Unicorns | Minnesota Twins | 2017 |
| Taylor Grzelakowski | Unicorns | Minnesota Twins | 2017 |
| Kevin Matthews | Beavers | Atlanta Braves | 2017 |
| Alex Maloney | Beavers | Chicago White Sox | 2017 |
| Ross Vance | Beavers | St. Louis Cardinals | 2016 |
| Aaron Bossi | Beavers | New York Mets | 2016 |
| Chris McDonald | Hoppers | Pittsburgh Pirates | 2016 |
| Evan Piechota | Unicorns | Pittsburgh Pirates | 2016 |
| Dalton DiNatale | Hoppers | Los Angeles Dodgers | 2016 |
| Mitch Aker | Unicorns | Arizona Diamondbacks | 2016 |
| Hawtin Buchanan | Beavers | Cincinnati Reds | 2016 |
| Austin Crutcher | Unicorns | Chicago White Sox | 2016 |
| Andrew Potter | Unicorns | Pittsburgh Pirates | 2016 |
| Fernelys Sanchez | Beavers | Washington Nationals | 2016 |
| Mitch Osnowitz | Hoppers | Boston Red Sox | 2016 |
| Alex Santana | Hoppers | Washington Nationals | 2016 |
| Austin Leyritz | Beavers | Baltimore Orioles | 2016 |