Milwaukee Preseason I.D.
| Name | State | School | Class | Pos | Commitment |
| Nathan Aide | WI | Franklin | 2017 | OF | Madison JC |
| Keaton Arreazola | WI | Janesville Craig | 2019 | 2B | Northland College |
| Adam Baade | WI | Brookfield Central | 2018 | RHP | Carroll University |
| Ryan Bader | WI | Mukwonago | 2017 | LHP | Northwestern |
| Miguel Baez | WI | Milwaukee School of Languages | 2019 | OF | Rock Valley JC |
| Pablo Baez | WI | Ronald Reagan | 2017 | 1B | College of Lake County |
| Jordan Bailey | WI | Janesville Parker | 2018 | OF | Bradley |
| Jack Becker | WI | Arrowhead | 2017 | 3B | |
| Alex Behr | WI | Oak Creek | 2017 | LHP | Marian University (WI) |
| Jake Benzing | WI | Delavan-Darien | 2017 | OF | |
| Noah Berghammer | WI | Janesville Craig | 2018 | SS | Minnesota |
| Andrew Biertzer | WI | West Bend West | 2019 | LHP | Saginaw Valley State |
| Alex Binelas | WI | Oak Creek | 2018 | 1B | Louisville |
| Luke Blaha | WI | Mukwonago | 2019 | OF | Wisconsin-Stevens Point |
| Dan Blomgren | WI | Janesville Craig | 2019 | SS | Chipola College |
| Jack Blomgren | WI | Janesville Craig | 2017 | SS | Michigan |
| Chase Bloxdorf | WI | Union Grove | 2019 | RHP | |
| Kade Bohlman | WI | Janesville Parker | 2018 | C | Wisconsin-Oshkosh |
| Ian Boho | WI | Marquette University | 2017 | RHP | |
| Zach Braun | WI | Hartford Union | 2018 | C | Viterbo University |
| Jackson Brown | WI | Oconomowoc | 2018 | RHP | Madison JC |
| Jack Brust | WI | Greendale | 2017 | RHP | Wisconsin-Whitewater |
| Mitchell Buban | WI | Tremper | 2017 | SS | Wisconsin-Milwaukee |
| Will Bush | WI | New Berlin West | 2018 | RHP | |
| Tanner Bykowski | WI | Westosha Central | 2017 | 3B | McHenry County JC |
| Adam Cairo | WI | Indian Trail | 2018 | OF | Edgewood College |
| Ben Cameron | WI | Waukesha West | 2018 | C | |
| Elijah Campbell | WI | South Milwaukee | 2018 | RHP | Bradley |
| Jacob Campbell | WI | Janesville Craig | 2018 | C | Illinois |
| Lukas Campbell | WI | Horlick | 2017 | 2B | |
| Zach Campbell | WI | Burlington | 2017 | OF | Wisconsin-Whitewater |
| Jacob Charon | WI | St. Joseph Catholic | 2018 | OF | Lawrence University |
| Frankie Cistaro | WI | Muskego | 2018 | SS | Minnesota-Duluth |
| Zach Clayton | WI | Oconomowoc | 2017 | 3B | Oregon State |
| Blake Cottrell | WI | Arrowhead | 2017 | 2B | Wisconsin-Oshkosh |
| Nick Cramer | WI | Janesville Craig | 2017 | RHP | |
| Derek Crawley | WI | Arrowhead | 2017 | RHP | |
| Dakota Cude | WI | Milton | 2017 | RHP | |
| Alex David | WI | Johnson Creek | 2017 | SS | |
| Chase Davis | WI | Milton | 2017 | OF | Purdue University Fort Wayne |
| Dawson Demant | WI | Union Grove | 2018 | SS | Northern Illinois |
| Sam Devorkin | WI | Grafton | 2017 | C | Rock Valley JC |
| Steve Diderrich Jr. | WI | Oconomowoc | 2018 | C | Upper Iowa |
| Ben Dragani | WI | Catholic Memorial | 2017 | LHP | Michigan |
| Ian Drays | WI | Jefferson | 2018 | C | Northern Illinois |
| Bryce Edwards | WI | Westosha Central | 2017 | 2B | Carthage College |
| Trent Ehlers | WI | Sturgeon Bay | 2019 | LHP | Wisconsin-Whitewater |
| Brayden Elliott | WI | Nicolet | 2017 | C | Wisconsin-Whitewater |
| Alec Esenther | WI | Oconomowoc | 2017 | RHP | Wisconsin-Oshkosh |
| Mason Fanelle | WI | Indian Trail | 2018 | LHP | |
| Trace Ferreira | WI | New Berlin West | 2019 | OF | Indiana State |
| Devin Fish | WI | Eisenhower | 2018 | RHP | Salem University |
| Dylan Fluegel | WI | Oak Creek | 2017 | SS | Concordia University (WI) |
| Patrick Foldy | WI | Hamilton | 2018 | RHP | Madison JC |
| Hunter Fredrick | WI | Muskego | 2019 | C | |
| Mitchell Gehl | WI | Oak Creek | 2017 | RHP | |
| Jake Goodman | WI | Nicolet | 2019 | C | |
| Benjamin Graham | WI | Mukwonago | 2017 | RHP | Concordia University (WI) |
| James Grassl | WI | Waukesha West | 2017 | LHP | Concordia University-Chicago |
| Brandon Hafemann | WI | Marquette University | 2017 | 2B | Saint Mary's University of Minnesota |
| Kyle Hammitt | WI | Muskego | 2017 | C | Concordia University (WI) |
| Luke Hansel | WI | Union Grove | 2019 | RHP | Madison JC |
| Bradley Hansen | WI | Union Grove | 2017 | OF | Wisconsin-Stevens Point |
| Arthur Harmon | WI | Germantown | 2016 | C | |
| Jared Heinzen | WI | Tremper | 2019 | OF | Wisconsin-Parkside |
| Wyatt Hennessy | WI | Mukwonago | 2019 | 2B | Jamestown CC |
| Troy Hickey | WI | Wilmot Union | 2017 | LHP | Madison JC |
| Ryan Hoerter | WI | Indian Trail | 2017 | RHP | Auburn |
| Sean Hogan | WI | Jefferson | 2018 | 2B | |
| Cooper Holewinski | WI | Middleton | 2019 | OF | Edgewood College |
| Caleb Horvath | WI | Grafton | 2017 | SS | |
| Nathan Hosp | WI | Franklin | 2018 | OF | |
| Dain Hudson | WI | Waukesha West | 2017 | OF | |
| Alexander Huissen | WI | Lakes Community | 2019 | OF | Adrian College |
| Steve Jamroziak | WI | Muskego | 2019 | OF | Minnesota |
| Walker Jenkins | WI | Sun Prairie | 2017 | SS | Madison JC |
| Jacob Johnson | WI | Arrowhead | 2018 | RHP | Saint Mary's University of Minnesota |
| Jackson Jommen | WI | West Bend East | 2018 | 1B | |
| Trent Jones | WI | Westosha Central | 2017 | OF | Wisconsin-Stevens Point |
| Colin Kalinowski | WI | Oak Creek | 2019 | C | McHenry County JC |
| Zachary Karrels | WI | Arrowhead | 2018 | 3B | |
| Dylan Karvala | WI | New Berlin Eisenhower | 2017 | RHP | Concordia University (WI) |
| Jarred Kelenic | WI | Waukesha West | 2018 | OF | Louisville |
| Nolan Kelliher | WI | Middleton | 2018 | SS | Des Moines Area CC |
| Logan King | WI | Cedarburg | 2018 | LHP | Wisconsin-Oshkosh |
| Griffin Klein | WI | Indian Trail | 2017 | 2B | Wisconsin-Parkside |
| Brodie Klukas | WI | Janesville Parker | 2018 | RHP | |
| Matt Korman | WI | Waterford Union | 2017 | SS | Wisconsin-Whitewater |
| Grant Kosanke | WI | Slinger | 2017 | SS | Evangel University |
| Jack Kraus | WI | Neenah | 2017 | SS | Wisconsin-Milwaukee |
| Alessandro Kulutbanis | WI | Homestead | 2018 | C | |
| Luke Kundinger | WI | Waukesha West | 2017 | SS | |
| Kameron Laskowski | WI | Sussex Hamilton | 2019 | C | Madison JC |
| Isaac Lawler | WI | Kenosha Bradford | 2017 | RHP | Wisconsin-Parkside |
| Jacob Lindemann | WI | Burlington | 2017 | RHP | Wichita State |
| Joseph Lipsky | WI | Lake Country Lutheran | 2017 | SS | |
| Zachary Lutz | WI | Hartford Union | 2018 | LHP | Concordia University (WI) |
| Daniel Marrero | WI | University School of Milwaukee | 2018 | SS | |
| Dylan Maxwell | WI | Cudahy | 2017 | RHP | |
| Keagan McCarthy | WI | Cedarburg | 2018 | 1B | St. Norbert College |
| Christian McKelvey | WI | Germantown | 2017 | 2B | McHenry County JC |
| Matt Miller | WI | Sussex Hamilton | 2018 | C | Madison JC |
| Tyrese Mitchell | WI | Riverside | 2017 | C | |
| Rusty Murphy | WI | Cudahy | 2017 | C | |
| Ryan Nehls | WI | Lake Country Lutheran | 2017 | RHP | |
| Tanner Neitman | WI | Franklin | 2017 | LHP | Wisconsin Lutheran College |
| Brady Nowicki | WI | Mukwonago | 2018 | 2B | Indian Hills CC |
| Tyler O'Brien | WI | Hale | 2017 | 3B | |
| Danny Osep | WI | Franklin | 2018 | SS | Upper Iowa |
| Dustin Pampel | WI | Lakeside Lutheran | 2018 | RHP | |
| Malik Peters | IL | Mount Carmel | 2018 | SS | Northern Illinois |
| Gunner Peterson | WI | Wilmot | 2018 | OF | Illinois State |
| Tanner Peterson | WI | Wilmot | 2019 | OF | Illinois State |
| Alex Pierce | WI | Oconomowoc | 2017 | OF | |
| Jacob Podd | WI | New Berlin Eisenhower | 2018 | RHP | |
| Dawson Povolo | WI | Cudahy | 2017 | RHP | |
| Connor Prielipp | WI | Tomah | 2019 | LHP | Alabama |
| Carson Radtke | WI | Arrowhead | 2018 | C | |
| Nikkolas Regalia | WI | Nathan Hale | 2017 | RHP | |
| Alex Rodriguez | WI | Cudahy | 2017 | SS | Northern Illinois |
| Fernando Rodriguez | WI | Saint Thomas More | 2017 | OF | |
| Ryen Ryba | WI | Homestead | 2018 | SS | Minnesota State University-Mankato |
| Evan Sadowski | WI | New Berlin West | 2018 | OF | Wisconsin Lutheran College |
| Boden Saikie | WI | New Berlin Eisenhower | 2018 | RHP | |
| Evan Sankey | WI | Appleton North | 2017 | RHP | Iowa Lakes CC |
| Collin Sathe | WI | Germantown | 2017 | 2B | |
| Daniel Schiff | WI | Nicolet | 2017 | LHP | |
| Michael Schmidt | WI | Hale | 2017 | SS | |
| Lucas Schramm | WI | Watertown | 2018 | C | |
| Sam Smith | WI | Madison Memorial | 2018 | SS | Barstow Community College |
| Calvin Snyder | WI | Shorewood | 2017 | RHP | |
| Josh Sobczak | WI | South Milwaukee | 2018 | OF | Des Moines Area CC |
| Evan Spry | WI | Janesville Craig | 2017 | RHP | Creighton |
| Nicholas Steele | WI | Cudahy | 2017 | 3B | McHenry County JC |
| Andrew Stekiel | WI | Catholic Memorial | 2017 | RHP | Wisconsin-Whitewater |
| Brett Strode | WI | McFarland | 2018 | 3B | |
| Devin Toburen | WI | Greenwood | 2018 | SS | Wisconsin-La Crosse |
| Paul Toetz | WI | Greendale | 2019 | SS | Indiana |
| Trent Turzenski | WI | Burlington | 2019 | RHP | Valparaiso |
| Trentin Uttech | WI | Luther Prep | 2017 | RHP | Madison JC |
| Antonio Valadez | WI | Riverside University | 2017 | RHP | Ellsworth CC |
| Sam Valona | WI | West Allis Hale | 2017 | OF | |
| Max Van Boxel | WI | Green Bay East | 2017 | LHP | Winona State University |
| Jackson Wagner | WI | Oak Creek | 2018 | OF | |
| Xavier Watson | WI | South Milwaukee | 2019 | SS | Illinois |
| Hunter Weddel | WI | Kenosha Tremper | 2017 | 2B | Wisconsin-Parkside |
| Cullen Weiss | WI | Kettle Moraine | 2017 | OF | Iowa Central CC |
| Michael Wojcik | IL | Richmond Burton | 2017 | SS | Wisconsin-Oshkosh |
| Scott Wojcik | IL | Dundee Crown | 2017 | SS | Aurora University |
| Sam Zarling | WI | Kettle Moraine Lutheran | 2017 | OF | John A. Logan JC |
| Ryan Zizzo | WI | Muskego | 2017 | C | McHenry County JC |