Player Commitments
| Name | State | School | Class | Pos. | Commitment |
| Logan DeVorak | MN | Winona Cotter | 2017 | - | Rochester CC & Tech |
| Carter DeVore | NC | Union Academy | 2024 | - | Wingate University |
| Treyton DeVore | KS | Inman | 2014 | RHP | McPherson College |
| Sam Devorkin | WI | Grafton | 2017 | C | Rock Valley JC |
| Nolan DeVos | NC | Hickory Ridge | 2019 | RHP | Davidson |
| Logan DeVos | MI | Birmingham Seaholm | 2024 | OF | Albion College |
| Cody DeVos | OH | Bay | 2021 | RHP | Lorain County CC |
| Derek DeVos | TX | MAGNOLIA H S | 2024 | RHP | Panola JC |
| JJ DeVos | NC | Hickory Ridge | 2022 | RHP | Gaston College |
| Seth DeVries | TX | Hyde Park | 2018 | RHP | Pennsylvania |
| Benjamin DeVries | MI | Coopersville | 2021 | C | Northwood |
| Drew Devries | NE | Millard South | 2023 | RHP | Dordt University |
| Harmon DeVries | MI | Schoolcraft | 2021 | RHP | Concordia (MI) |
| Logan DeVries | NY | Pine Bush | 2019 | RHP | Ulster County CC |
| Dallas DeVrieze | IL | Moline | 2013 | LHP | Appalachian State |
| Elijah Dew | TN | CAK | 2021 | RHP | Walters State CC |
| Nick Dewald | OH | Colerain | 2022 | 2B | Mount St. Joseph's |
| Tyson DeWall | CA | Folsom | 2022 | RHP | San Diego State |
| Ryan DeWalt | PA | Germantown Academy | 2015 | RHP | Lehigh |
| Jadyn Dewan-Smith | MI | Port Huron Northern | 2021 | OF | Siena Heights |
| Jonathon Dewberry | TX | Lufkin | 2018 | OF | Grayson JC |
| Ryan Dewees | PA | Oxford Area | 2022 | RHP | East Stroudsburg |
| Connor Dewees | PA | Red Lion Area | 2018 | 3B | Shepherd |
| Brett DeWees | MD | Manchester Valley | 2020 | C | York College (PA) |
| Dane DeWees | IN | Silver Creek | 2023 | OF | Southwestern Illinois JC |
| Nathaniel DeWeese | OH | Hilliard Davidson | 2019 | C | Bluffton College |
| Brayden Deweese | IN | Western | 2017 | 1B | IU-Kokomo |
| Daniel Dewey | TN | Rockvale | 2021 | RHP | Middle Tennessee State |
| Nathan Dewey | IL | Geneva | 2018 | OF | Concordia (IL) |
| Steele Dewey | NC | Charlotte Country Day | 2021 | LHP | Sewanee |
| Kaden Dewey | IA | Waverly-Shell Rock | 2020 | OF | Simpson College |
| Noah Dewey | OR | Crescent Valley | 2022 | RHP | Linn-Benton CC |
| Sean Dewey, Jr | PA | North Catholic | 2023 | OF | Juniata College |
| Kolby Dewhirst | MI | Livonia Franklin | 2017 | RHP | Lansing CC |
| Brandon DeWitt | OH | Beavercreek | 2018 | LHP | Wright State |
| Luke DeWitt | AZ | Canyon View | 2024 | RHP | Chandler-Gilbert CC |
| Peyton DeWitt | MS | Hancock | 2023 | 1B | Mississippi Gulf Coast JC |
| Nathan DeWitte | VA | Episcopal | 2023 | RHP | Washington & Lee |
| Logan DeWulf | IL | Huntley | 2017 | RHP | Upper Iowa |
| Alex Dexter | OR | Lincoln | 2024 | LHP | Occidental |
| Ross Dexter | MA | Winchendon | 2021 | RHP | Massachusetts-Boston |
| Ryan Dexter | ON | Earl of March | 2022 | RHP | Ventura JC |
| Griffin Dey | NY | Kennedy Catholic | 2015 | 1B | Yale |
| Drew DeYarmon | OH | Central Crossing | 2020 | 1B | West Liberty |
| Andrew Deyhle | OH | Moeller | 2020 | SS | Ohio Dominican |
| Brennan Deyo | SC | P27 Academy | 2021 | SS | Elon |
| Brandon Deyo | MD | Gaithersburg | 2015 | RHP | McDaniel College |
| Alexander DeYonker | MI | Livonia Franklin | 2013 | LHP | Madonna University |
| Brock DeYoung | TX | Cinco Ranch | 2024 | SS | Texas State |
| Nate DeYoung | WI | Xavier | 2018 | 3B | Wisconsin-Milwaukee |
| Matt DeYoung | WI | Xavier | 2016 | 1B | Wisconsin-Milwaukee |
| Dylan Deyoung | VA | Gloucester | 2024 | OF | Christopher Newport Unive |
| Mark DeYoung | IL | Plainfield Central | 2012 | SS | Judson University (IL) |
| Zach Dezenzo | OH | Marlington | 2018 | SS | Ohio State |
| Josh Dezenzo | OH | Marlington | 2022 | SS | Washington & Jefferson |
| Matt Dezort | MO | Hazelwood Central | 2012 | OF | Missouri State |
| Tim Dezzi | NJ | Clearview Regional | 2017 | SS | St. John's |
| Peyton Dhein | SC | Catawba Ridge | 2024 | LHP | Virginia Military Institu |
| John Dhima | MD | Urbana | 2020 | RHP | Montgomery JC |
| Andrew Di Biasio | RI | Narragansett | 2023 | 3B | Wesleyan University (CT) |
| Philip Di Blasi | NH | Boston College | 2021 | RHP | Northeastern |
| Kenny Di Clemente | ON | St. Thomas Aquinas | 2019 | OF | Crowder JC |
| Stefan Di Corrado | ON | Crescent School | 2024 | 3B | Dartmouth |
| Ron Di Matteo | PA | Penncrest | 2014 | LHP | Valley Forge |
| Lamine Diaby-Gassama | MN | North St. Paul | 2020 | OF | Concordia (MN) |
| Zain Diaco | FL | American Heritage Plantation | 2024 | C | The Citadel |
| Jackson Dial | SD | Rapid City Stevens | 2025 | RHP | Arizona State |
| Demitri Diamant | NV | Bishop Gorman | 2022 | SS | Georgia Tech |
| Wesley Diamantis | GA | St. Pius X Catholic | 2018 | 1B | Birmingham Southern |
| Anthony Diamario | WV | Jefferson | 2013 | OF | Concord University |
| Derek Diamond | CA | Ramona | 2019 | RHP | Mississippi |
| Nathan Diamond | IL | Oak Park-River Forest | 2019 | LHP | Pepperdine |
| Kenyata Diamond | AZ | N/A | 2019 | SS | Bemidji State University |
| Max Diamond | CT | Avon Old Farms | 2024 | SS | Colby College |
| Noah Diamond | CT | Glastonbury High School | 2019 | LHP | Springfield College |
| Luke Diamond | OH | Ironton | 2015 | SS | Ohio Christian |
| Jaxon Diamond | TN | Science Hill | 2022 | 3B | Columbia State CC |
| Camden Diamond | AL | Mobile Christian | 2022 | RHP | Southern Union State CC |
| Trent Dian | IL | Oak Forest | 2023 | OF | Central College |
| Nick Diana | OH | West Clermont | 2019 | OF | Grand Canyon |
| Nick DiAndreth | PA | Hempfield Area | 2018 | OF | Indiana University (PA) |
| Isaiah DiAndreth | PA | Hempfield Area | 2018 | SS | Seton Hill |
| Jake Dianno | PA | Germantown Academy | 2017 | C | Middlebury College |
| Tyson Dias | BC | Enver creek | 2021 | SS | Three Rivers CC |
| Khadim Diaw | CA | Notre Dame | 2021 | C | Loyola Marymount |
| Robert Tito Diaz | FL | TNXL | 2020 | C | Arkansas-Little Rock |
| Elijah Diaz | NY | All Hallows | 2019 | OF | Cornell |
| Nick Diaz | FL | Stoneman Douglas | 2025 | 1B | Georgia |
| Jorman Diaz | DR | Unknown | 2016 | RHP | Grambling State |
| Ian Diaz | PA | Springside Chestnut Hill | 2017 | RHP | Hofstra |
| Justin Diaz | IL | Lake View | 2017 | SS | Illinois State |
| Randal Diaz | PR | Leadership Christian Academy | 2021 | 2B | Indiana State |
| Jonah Diaz | FL | North Broward Prep | 2021 | SS | Jacksonville |
| Darius Diaz | NJ | Perth Amboy | 2018 | C | Kennesaw State |
| Brent Diaz | FL | Gulliver Prep | 2014 | - | Louisiana Tech |
| Erick Diaz | PA | PERKIOMEN SCHOOL | 2024 | OF | Manhattan |
| Devin Diaz | NY | Iona Prep | 2026 | C | Miami |
| Christopher Diaz | FL | Miami Christian | 2023 | RHP | Miami |
| Eduardo Diaz | FL | Miami Coral Park | 2020 | SS | Navy |
| Carlos Diaz | NC | Wake Forest | 2025 | C | North Carolina |