There are 73 former NCAA Division I players on the rosters of the 2019 MLB Division Series. There are 55 different schools represented.
Louisville leads the way with four players. Florida, LSU, Old Dominion and Virginia all have three players. Cal State Fullerton, Kentucky, Maryland, Missouri, Rice, Stanford and Vanderbilt each have two.
The Los Angeles Dodgers top the MLB teams with 12 former Division I players. The St. Louis Cardinals and the Washington Nationals both have 11, followed by the New York Yankees with nine, the Atlanta Braves and the Tampa Bay Rays with eight, and the Houston Astros and the Minnesota Twins with seven.
| Arizona | Mark | Melancon | RHP | Atlanta Braves |
| Arizona State | Eric | Sogard | 2B | Tampa Bay Rays |
| Arkansas | Dallas | Keuchel | LHP | Atlanta Braves |
| Auburn | Josh | Donaldson | 3B | Atlanta Braves |
| Baylor | Max | Muncy | 1B | Los Angeles Dodgers |
| Belmont | Matt | Beaty | 1B | Los Angeles Dodgers |
| Cal State Fullerton | Kurt | Suzuki | C | Washington Nationals |
| Cal State Fullerton | Justin | Turner | 3B | Los Angeles Dodgers |
| College of Charleston | Brett | Gardner | OF | New York Yankees |
| Connecticut | George | Springer | OF | Houston Astros |
| Dallas Baptist | Colin | Poche | LHP | Tampa Bay Rays |
| Elon | John | Brebbia | RHP | St. Louis Cardinals |
| Florida | Harrison | Bader | OF | St. Louis Cardinals |
| Florida | Darren | O’Day | RHP | Atlanta Braves |
| Florida | Mike | Zunino | C | Tampa Bay Rays |
| Fresno State | Aaron | Judge | OF | New York Yankees |
| Georgia Tech | Matt | Wieters | C | St. Louis Cardinals |
| Hartford | Sean | Newcomb | LHP | Atlanta Braves |
| Hawaii | Kolten | Wong | 2B | St. Louis Cardinals |
| Illinois State | Paul | DeJong | SS | St. Louis Cardinals |
| Kentucky | James | Paxton | LHP | New York Yankees |
| Kentucky | Taylor | Rogers | LHP | Minnesota Twins |
| Long Beach State | Matt | Duffy | 3B | Tampa Bay Rays |
| Louisville | Adam | Duvall | OF | Atlanta Braves |
| Louisville | Chad | Green | RHP | New York Yankees |
| Louisville | Brendan | McKay | LHP | Tampa Bay Rays |
| Louisville | Will | Smith | C | Los Angeles Dodgers |
| LSU | Alex | Bregman | 3B | Houston Astros |
| LSU | Will | Harris | RHP | Houston Astros |
| LSU | DJ | LeMahieu | 2B | New York Yankees |
| Maryland | Adam | Kolarek | LHP | Los Angeles Dodgers |
| Maryland | Brandon | Lowe | 2B | Tampa Bay Rays |
| Miami (Ohio) | Adam | Eaton | OF | Washington Nationals |
| Michigan | Rich | Hill | LHP | Los Angeles Dodgers |
| Mississippi State | Dakota | Hudson | RHP | St. Louis Cardinals |
| Missouri | Kyle | Gibson | RHP | Minnesota Twins |
| Missouri | Max | Scherzer | RHP | Washington Nationals |
| Missouri State | Luke | Voit | 1B | New York Yankees |
| Navy | Oliver | Drake | RHP | Tampa Bay Rays |
| NC State | Trea | Turner | SS | Washington Nationals |
| New Mexico | Mitch | Garver | C | Minnesota Twins |
| North Carolina | Andrew | Miller | LHP | St. Louis Cardinals |
| Northeastern | Adam | Ottavino | RHP | New York Yankees |
| Northwestern | J.A. | Happ | LHP | New York Yankees |
| Notre Dame | A.J. | Pollock | OF | Los Angeles Dodgers |
| Oklahoma State | Tyler | Lyons | LHP | New York Yankees |
| Old Dominion | Daniel | Hudson | RHP | Washington Nationals |
| Old Dominion | Justin | Verlander | RHP | Houston Astros |
| Old Dominion | Ryan | Yarbrough | LHP | Tampa Bay Rays |
| Rice | Tyler | Duffey | RHP | Minnesota Twins |
| Rice | Anthony | Rendon | 3B | Washington Nationals |
| San Diego State | Stephen | Strasburg | RHP | Washington Nationals |
| South Alabama | David | Freese | 1B | Los Angeles Dodgers |
| South Carolina | Tyler | Webb | LHP | St. Louis Cardinals |
| Southeastern Louisiana | Wade | Miley | RHP | Houston Astros |
| Southern Miss | Brian | Dozier | 2B | Washington Nationals |
| St. John’s | Cody | Stashak | RHP | Minnesota Twins |
| Stanford | Jason | Castro | C | Minnesota Twins |
| Stanford | Tommy | Edman | SS | St. Louis Cardinals |
| TCU | Matt | Carpenter | 3B | St. Louis Cardinals |
| Texas A&M | Ross | Stripling | RHP | Los Angeles Dodgers |
| Texas State | Paul | Goldschmidt | 1B | St. Louis Cardinals |
| Texas Tech | Josh | Tomlin | RHP | Atlanta Braves |
| UC Riverside | Joe | Kelly | RHP | Los Angeles Dodgers |
| UCLA | Gerrit | Cole | RHP | Houston Astros |
| Utah | C.J. | Cron | 1B | Minnesota Twins |
| Vanderbilt | Walker | Buehler | RHP | Los Angeles Dodgers |
| Vanderbilt | Dansby | Swanson | SS | Atlanta Braves |
| Virginia | Sean | Doolittle | LHP | Washington Nationals |
| Virginia | Chris | Taylor | SS | Los Angeles Dodgers |
| Virginia | Ryan | Zimmerman | 1B | Washington Nationals |
| Washington | Austin | Voth | RHP | Washington Nationals |
| Wright State | Joe | Smith | RHP | Houston Astros |