Player Draft
| Name | State | School | Class | Pos. | Year | Round | Team |
| Silas Ardoin | LA | Sam Houston | 2019 | C | 2022 | 4 | Orioles |
| Adrian Areizaga | PR | Leadership Christian School | 2024 | SS | 2024 | 14 | Reds |
| Bryan Arendt | NC | Holly Springs | 2021 | C | 2025 | 13 | Athletics |
| Sam Armstrong | NJ | High Point | 2019 | RHP | 2023 | 13 | Cubs |
| Bryce Arnold | ON | Blessed Trinity | 2020 | SS | 2023 | NDFA | Toronto Blue Jays |
| Chandler Arnold | TX | Horn | 2018 | RHP | 2022 | 13 | Cardinals |
| Zach Arnold | CA | Great Oak | 2019 | SS | 2019 | 34 | Orioles |
| Jamie Arnold | FL | Tampa Jesuit | 2022 | LHP | 2025 | 1 | Athletics |
| Jeremy Arocho | MD | Old Mill | 2017 | SS | 2017 | 27 | Dodgers |
| Anson Aroz | CA | Placer | 2021 | C | 2025 | 19 | Los Angeles Dodgers |
| Aiva Arquette | HI | St. Louis | 2022 | SS | 2025 | 1 | Miami Marlins |
| Edwin Arroyo | FL | Central Pointe Christian | 2021 | SS | 2021 | 2 | Seattle Mariners |
| Chris Arroyo | FL | Stoneman Douglas | 2022 | 1B | 2025 | 5 | Miami Marlins |
| Landon Arroyos | GA | Grayson | 2025 | SS | 2025 | 18 | Houston Astros |
| Evan Aschenbeck | TX | Brenham | 2020 | LHP | 2024 | 13 | Cubs |
| Aaron Ashby | MO | Park Hill | 2016 | LHP | 2018 | 4 | Brewers |
| Micah Ashman | UT | Jordan | 2021 | LHP | 2024 | 11 | Tigers |
| Mason Auer | MO | Kickapoo | 2019 | RHP | 2021 | 5 | Rays |
| Brooks Auger | LA | Cedar Creek | 2020 | RHP | 2024 | 6 | Dodgers |
| Morris Austin | TX | Fort Worth Christian | 2018 | C | 2023 | 10 | Brewers |
| Myles Austin | GA | Westlake | 2019 | SS | 2019 | 20 | Milwaukee Brewers |
| Cade Austin | SC | Chapin | 2020 | RHP | 2023 | 19 | Yankees |
| RJ Austin | GA | Pace Academy | 2022 | SS | 2025 | 3 | Baltimore Orioles |
| Corey Avant | NC | Sun Valley | 2020 | OF | 2023 | 9 | Athletics |
| Jace Avina | NV | Spanish Springs | 2021 | OF | 2021 | 14 | MIL |
| Daniel Avitia | AZ | Alhambra | 2021 | RHP | 2024 | 12 | Cubs |
| Danny Ayers | IN | Columbus North | 2013 | LHP | 2013 | 25 | Orioles |
| Owen Ayers | FL | Sarasota | 2019 | C | 2024 | 19 | Cubs |
| Cole Ayers | OH | West Clermont | 2018 | RHP | 2021 | 16 | New York Yankees |
| Kyle Ayers | CA | Notre Dame | 2021 | OF | 2024 | 13 | Diamondbacks |
| Isaac Ayon | CA | Buchanan | 2020 | RHP | 2024 | 18 | Dodgers |
| Carter Bach | VA | Centreville | 2016 | LHP | 2019 | 34th | Rays |
| Lake Bachar | IL | Wheaton North | 2012 | RHP | 2016 | 5 | Padres |
| Sam Bachman | IN | Hamilton Southeastern | 2018 | RHP | 2021 | 1 | Angels |
| Mahki Backstrom | CA | Serra | 2019 | 1B | 2019 | 18 | Braves |
| Dakota Bacus | IL | Moline | 2009 | RHP | 2012 | 9 | Athletics |
| Nathan Baez | AZ | Ironwood Ridge | 2019 | 2B | 2022 | 12 | Twins |
| Joshua Baez | MA | Dexter | 2021 | OF | 2021 | 2 | St. Louis Cardinals |
| Ethan Bagwell | IL | Collinsville | 2024 | RHP | 2024 | 6 | Braves |
| Patrick Bailey | NC | Wesleyan Christian Academy | 2017 | C | 2020 | 1 | San Franciso Giants |
| Myles Bailey | FL | Lincoln | 2024 | 1B | 2024 | 20 | White Sox |
| Adam Bainbridge | PA | Wilson | 2013 | LHP | 2017 | 30 | Royals |
| Andrew Baker | FL | Ridge Community | 2016 | LHP | 2016 | 36 | Indians |
| Darren Baker | CA | Jesuit | 2017 | 2B | 2021 | 10 | Nationals |
| Alec Baker | MA | East Longmeadow HS | 2018 | RHP | 2023 | 18 | Diamondbacks |
| Trace Baker | NC | South Central | 2022 | RHP | 2025 | 13 | Toronto Blue Jays |
| Daniel Bakst | NY | Poly Prep Country Day | 2016 | SS | 2016 | 27 | Orioles |
| Jordan Balazovic | ON | St. Martin's Collegiate SS | 2016 | RHP | 2016 | 5 | Twins |
| Thomas Balboni | FL | St John Neumann | 2019 | RHP | 2022 | 15 | Padres |
| Merrick Baldo | CA | Mira Costa | 2019 | RHP | 2023 | 17 | Nationals |
| Drake Baldwin | WI | Madison West | 2019 | C | 2022 | 3 | Braves |
| Brooks Baldwin | NC | Whiteville | 2018 | SS | 2022 | 12 | White Sox |
| Cameron Balego | PA | Pittsburgh Central Catholic | 2013 | SS | 2017 | 30 | Cubs |
| Trey Ball | IN | New Castle | 2013 | LHP | 2013 | 1 | Red Sox |
| Bryce Ball | IA | Mason City Newman Catholic | 2016 | 1B | 2019 | 24 | Braves |
| Sam Ballard | IL | Alton | 2016 | LHP | 2019 | 28 | Padres |
| Will Banfield | GA | Brookwood | 2018 | C | 2018 | Comp Bal B | Marlins |
| Brett Banks | NC | Garner Magnet | 2019 | RHP | 2023 | 11 | Mets |
| Teo Banks | TX | Permian | 2021 | OF | 2024 | 18 | Nationals |
| Caleb Baragar | MI | Jenison | 2012 | LHP | 2016 | 9 | Giants |
| Rodrigo Barajas | CA | Torrey Pines High | 2023 | C | 2025 | 11 | San Francisco Giants |
| Joe Baran | PA | Hazleton Area | 2015 | LHP | 2018 | 22 | Brewers |
| Jake Barbee | NC | Robinson | 2025 | RHP | 2025 | 12 | Texas Rangers |
| Colin Barber | CA | Pleasant Valley | 2019 | OF | 2019 | 4th | Astros |
| Francesco Barbieri | ON | St. Francis Xavier | 2019 | OF | 2024 | NDFA | Nationals |
| Hunter Barco | FL | Bolles | 2019 | LHP | 2022 | 2 | Pirates |
| Matthew Barefoot | NC | Midway | 2015 | OF | 2019 | 6 | Houston Astros |
| Alec Barger | IL | Champaign Central | 2016 | OF | 2019 | 17 | Braves |
| Isaiah Barkett | FL | Oviedo | 2022 | SS | 2025 | 10 | San Francisco Giants |
| Jimmy Barnes | VA | Deep Creek | 2015 | SS | 2015 | 11 | Angels |
| RJ Barnes | OH | Sycamore | 2017 | OF | 2017 | 34 | Reds |
| Sean Barnett | MO | Rockwood Summit | 2021 | OF | 2024 | 11 | Padres |
| Mason Barnett | GA | Cartersville | 2019 | RHP | 2022 | 3 | Royals |
| Caleb Barnett | AL | Mountain Brook | 2025 | 3B | 2025 | 19 | Chicago Cubs |
| Tucker Barnhart | IN | Brownsburg | 2009 | C | 2009 | 10 | Reds |
| Zane Barnhart | OH | Medina Highland | 2020 | SS | 2023 | 17 | Orioles |
| Hunter Barnhart | CA | St. Joseph | 2020 | RHP | 2020 | 3 | Tampa Bay |
| Boston Baro | CA | Capistrano Valley | 2023 | SS | 2023 | 8 | Mets |
| Cole Barr | IN | Yorktown | 2017 | 3B | 2021 | 15 | Mariners |
| Matt Barr | NY | Cheektowaga | 2024 | RHP | 2025 | 5 | Minnesota Twins |
| Chris Barraza | AZ | Sahuarita | 2018 | RHP | 2023 | 10 | Angels |
| Brett Barrera | CA | Huntington Beach | 2019 | SS | 2022 | 8 | Yankees |
| Emilio Barreras Rojo | AZ | Vista Grande | 2022 | SS | 2025 | 8 | Miami Marlins |
| Seamus Barrett | MA | Brooks | 2020 | RHP | 2024 | 10 | Dodgers |
| Brandon Barriera | FL | American Heritage Plantation | 2022 | LHP | 2022 | 1 | Blue Jays |
| Braden Barry | KY | Trinity | 2020 | OF | 2023 | 8 | Blue Jays |
| Cole Bartlett | IN | Hagerstown | 2013 | RHP | 2017 | 25 | Diamondbacks |
| William Bartlett | FL | IMG Academy | 2019 | C | 2019 | 9th | Cleveland Indians |
| Luke Bartnicki | GA | Walton | 2018 | LHP | 2018 | 29th | Diamondbacks |
| Joey Bartosic | VA | Oakton | 2013 | OF | 2017 | 19 | Rockies |
| Brad Bass | IL | Lincoln-Way Central | 2014 | RHP | 2017 | 7 | Tigers |
| Brett Bateman | MN | Mounds View | 2020 | OF | 2023 | 8 | Cubs |
| Boston Bateman | CA | Adolfo Camarillo | 2024 | LHP | 2024 | 2 | Padres |
| Jalen Battles | TX | James Madison | 2018 | SS | 2022 | 5 | Rays |
| Tanner Bauman | FL | Atlantic Coast | 2020 | LHP | 2024 | 9 | Yankees |
| Michael Baumann | MN | Mahtomedi | 2014 | RHP | 2014 | 34 | Twins |
| Garrett Baumann | FL | Hagerty | 2023 | RHP | 2023 | 4 | Braves |
| Jackson Baumeister | FL | Bolles | 2021 | RHP | 2023 | 2-B | Orioles |
| Carter Baumler | IA | Dowling Catholic | 2020 | RHP | 2020 | 5th | Baltimore Orioles |
| Nickey Bautista | CA | Esteban E. Torres | 2020 | RHP | 2022 | 16 | Rangers |