Player Draft
| Name | State | School | Class | Pos. | Year | Round | Team |
| Garrett McMillan | AL | Hillcrest | 2019 | RHP | 2022 | 19 | Twins |
| Brennon McNair | MS | Magee | 2021 | SS | 2021 | 11 | Royals |
| Mike McQuillan | IL | Brother Rice | 2008 | 2B | 2012 | 33 | Nationals |
| Xavier Meachem | NC | South Central | 2020 | RHP | 2023 | 10 | Marlins |
| Jacob Meador | TX | Centennial | 2019 | RHP | 2022 | 12 | Dodgers |
| Parker Meadows | GA | Grayson | 2018 | OF | 2018 | 2nd | Tigers |
| Jacob Means | KS | Gardner-Edgerton | 2014 | 3B | 2019 | 22 | Royals |
| John Means | KS | Gardner-Edgerton | 2011 | - | 2014 | 11 | Orioles |
| Bryce Meccage | NJ | The Pennington School | 2024 | RHP | 2024 | 2 | Brewers |
| Alexander Meckley | PA | Gettysburg | 2021 | RHP | 2024 | 12 | Nationals |
| Victor Mederos | FL | Westminster Christian | 2020 | RHP | 2022 | 6 | Angels |
| Chase Meidroth | CA | Mira Costa | 2019 | SS | 2022 | 4 | Red Sox |
| Ian Mejia | AZ | Sahuarita | 2018 | RHP | 2022 | 11 | Braves |
| Dakota Mekkes | MI | Jenison | 2013 | RHP | 2016 | 10 | Cubs |
| M.J. Melendez | FL | Westminster Christian | 2017 | C | 2017 | 2 | Royals |
| Ivan Melendez | TX | El Paso Coronado | 2018 | 1B | 2022 | 2 | Diamondbacks |
| Yahil Melendez | PR | BYOU Academy | 2023 | SS | 2023 | 7 | Cubs |
| Troy Melton | CA | Canyon | 2018 | RHP | 2022 | 4 | Tigers |
| Jacob Melton | OR | South Medford | 2019 | OF | 2022 | 2 | Astros |
| Drew Mendoza | FL | Lake Minneola | 2016 | 3B | 2016 | 36 | Tigers |
| Kenny Mendoza | NJ | Clearview | 2016 | LHP | 2016 | 24 | Rangers |
| Joseph Menefee | TX | George Ranch | 2018 | LHP | 2022 | 20 | Reds |
| Antonio Menendez | VA | Herndon | 2017 | RHP | 2021 | 14 | Rays |
| Jackson Merrill | MD | Severna Park | 2021 | SS | 2024 | 1 | Padres |
| David Mershon | SC | Eastside | 2022 | SS | 2024 | 18 | Angels |
| Matt Mervis | MD | Georgetown Prep | 2016 | 1B | 2016 | 39 | Nationals |
| Parker Messick | FL | Plant City | 2019 | LHP | 2022 | 2 | Guardians |
| Carson Messina | SC | Summerville | 2024 | RHP | 2024 | 12 | Blue Jays |
| Cole Messina | SC | Summerville | 2021 | C | 2024 | 3 | Rockies |
| Skyler Messinger | CO | Niwot | 2017 | 3B | 2022 | 19 | Rockies |
| Zach Messinger | IN | Castle | 2018 | RHP | 2021 | 13 | Yankees |
| Brian Metoyer | LA | Natchitoches Central | 2015 | RHP | 2018 | 40th | Mets |
| Ben Metzinger | KY | Trinity | 2018 | C | 2022 | 7 | Brewers |
| Max Meyer | MN | Woodbury | 2017 | RHP | 2020 | 1st (3rd Pi | Miami Marlins |
| J. Noble Meyer | OR | Jesuit | 2023 | RHP | 2023 | 1 | Marlins |
| Trevin Michael | OK | Piedmont | 2017 | RHP | 2022 | 10 | Tigers |
| Eddie Micheletti | MD | Wilmington Friends (DE) | 2020 | 1B | 2024 | 8 | Blue Jays |
| Thomas Michelson | IL | Neuqua Valley | 2011 | RHP | 2014 | 29 | Rays |
| Justin Miknis | PA | DuBois Central Catholic | 2019 | C | 2019 | 35 | Orioles |
| Nathan Mikolas | WI | Bradford | 2012 | OF | 2012 | 3 | Yankees |
| Matthew Mikulski | NY | Lakeland | 2017 | LHP | 2021 | 2 | San Francisco Giants |
| Karson Milbrandt | MO | Liberty | 2022 | RHP | 2022 | 3 | Nationals |
| Garrett Milchin | FL | The First Academy | 2016 | 3B | 2016 | 39 | Tigers |
| Spencer Miles | MO | Rock Bridge | 2019 | RHP | 2022 | 4 | Giants |
| Deylen Miley | OH | Bryan | 2016 | SS | 2021 | Free Agent | Astros |
| Greg Milhorn | AR | Arkansas | 2011 | RHP | 2011 | 30 | Tigers |
| Andrew Millas | IL | Belleville East | 2016 | C | 2019 | 7 | Athletics |
| Brandon Miller | PA | Ephrata | 2013 | RHP | 2016 | 6 | Mariners |
| Luke Miller | IN | Cowan | 2015 | 3B | 2018 | 22 | Phillies |
| Owen Miller | WI | Ozaukee | 2015 | SS | 2018 | 3 | Padres |
| Bobby Miller | IL | McHenry West | 2017 | RHP | 2017 | 38 | Orioles |
| Evan Miller | IN | LaPorte | 2014 | RHP | 2016 | 22 | Padres |
| Joe Miller | PA | La Salle | 2018 | LHP | 2022 | 11 | Tigers |
| Andrew Miller | NJ | Sterling | 2015 | LHP | 2018 | 40 | Miami Marlins |
| Noah Miller | WI | Ozaukee | 2021 | SS | 2021 | CB-A | Minnesota Twins |
| Mason Miller | PA | Garnet Valley | 2018 | LHP | 2021 | 3 | Athletics |
| Jackson Miller | FL | JW Mitchell | 2020 | C | 2020 | 2 | Cincinnati Reds |
| Mason Miller | FL | JW Mitchell | 2020 | LHP | 2023 | 14 | Royals |
| Jake Miller | NJ | Don Bosco Prep | 2019 | LHP | 2022 | 8 | Tigers |
| Jacob Miller | OH | Liberty Union | 2022 | RHP | 2022 | 2 | Marlins |
| Aidan Miller | FL | JW Mitchell | 2023 | 3B | 2023 | 1 | Phillies |
| Darrien Miller | CA | Clovis | 2019 | C | 2019 | 9th | Brewers |
| Gage Miller | PA | Palmyra Area | 2021 | SS | 2024 | 3 | Marlins |
| Cole Miller | CA | Newbury Park | 2023 | RHP | 2023 | 4 | Athletic's |
| Lyle Miller-Green | VA | Lake Braddock | 2019 | 1B | 2024 | 17 | White Sox |
| Brennan Milone | GA | Woodstock | 2019 | SS | 2022 | 6 | Athletics |
| Matt Milroy | IL | Marmion | 2009 | RHP | 2012 | 11 | Marlins |
| Paul Milto | IN | Roncalli | 2015 | RHP | 2019 | 23 | White Sox |
| Brian Mims | VA | Forest Park | 2014 | 2B | 2017 | 22 | Phillies |
| Camden Minacci | FL | Jesuit | 2020 | RHP | 2023 | 6 | Angels |
| Ryan Minckler | NH | Portsmouth | 2021 | RHP | 2024 | 19 | Nationals |
| Micah Miniard | KY | Boyle County | 2014 | RHP | 2014 | 8 | Indians |
| Hayden Minton | OK | Collinsville | 2019 | RHP | 2023 | 9 | Tigers |
| Freylin Minyety | AZ | Joy Christian | 2018 | SS | 2021 | Free Agent | Philadelphia Phillies |
| Jacob Misiorowski | MO | Grain Valley | 2020 | RHP | 2022 | 2 | Brewers |
| Kameron Misner | MO | Poplar Bluff | 2016 | OF | 2019 | CBA | Marlins |
| Kevonte Mitchell | MO | Kennett | 2014 | 3B | 2014 | 13 | Cubs |
| Connor Mitchell | IN | Plainfield | 2014 | LHP | 2018 | 27 | Dodgers |
| Josh Mitchell | PA | Ridgway | 2013 | LHP | 2017 | 22 | Royals |
| Justin Mitchell | MO | Platte County | 2017 | C | 2017 | 39 | Royals |
| Tucker Mitchell | FL | IMG Academy | 2019 | C | 2021 | 14 | Rangers |
| Nicholas Mitchell | IN | Carmel | 2021 | OF | 2024 | 4C | Blue Jays |
| Blake Mitchell | TX | Sinton | 2023 | C | 2023 | 1 | Royals |
| Dalton Moats | MO | Park Hill | 2013 | LHP | 2016 | 15 | Rays |
| Cody Mobley | IN | Mount Vernon | 2015 | RHP | 2015 | 8 | Mariners |
| Chase Mobley | FL | Durant | 2024 | RHP | 2024 | 10 | Guardians |
| Eric Mock | PA | Governor Mifflin | 2015 | RHP | 2019 | 25 | Indians |
| Joe Mockbee | OH | Walsh Jesuit | 2013 | LHP | 2017 | 29 | White Sox |
| Anthony Molina | FL | West Broward | 2016 | RHP | 2016 | 13 | Angels |
| Mason Molina | CA | Trabuco Hills | 2021 | LHP | 2024 | 7 | Brewers |
| Ian Moller | IA | Dubuque Wahlert | 2021 | C | 2021 | 4th | Texas Rangers |
| Josh Mollerus | CA | Bellarmine College Prep | 2018 | RHP | 2023 | 10 | Blue Jays |
| Tommy Molsky | PA | Northern York | 2021 | RHP | 2024 | 12 | Royals |
| Nick Mondak | CT | Watertown | 2017 | LHP | 2021 | 18 | Angels |
| Tyler Mondile | NJ | Gloucester Catholic | 2016 | RHP | 2016 | 6 | Reds |
| Blake Money | TN | Summit | 2020 | RHP | 2023 | 12 | Orioles |
| Sam Mongelli | NY | Marlboro | 2019 | SS | 2023 | 10 | Dodgers |
| Mickey Moniak | CA | La Costa Canyon | 2016 | OF | 2016 | 1st | Philadelphia |
| Caden Monke | IL | Mount Olive | 2018 | LHP | 2021 | 14 | Kansas City Royals |
| Joseph Montalvo | FL | Central Pointe Christian | 2021 | RHP | 2021 | 20 | Texas Rangers |