Milwaukee Preseason ID
| Name | State | School | Class | Pos | Commitment |
| Julian Alverio | WI | Case | 2015 | 1B | Lincoln Trail JC |
| Trevor Anderson | IL | Richmond Burton | 2016 | 3B | |
| Zach Bailey | WI | Janesville Parker | 2015 | 3B | Madison JC |
| Brett Barton | WI | Pacelli | 2015 | LHP | |
| Tyler Becker | WI | Menomonee Falls | 2016 | RHP | Wisconsin-Oshkosh |
| Ricky Bergstrom | IL | Warren | 2016 | C | Carthage College |
| Chris Bernatz | WI | Arrowhead | 2015 | RHP | |
| Ryan Bigalke | WI | Whitnall | 2017 | OF | |
| Ben Bosch | WI | Catholic Memorial | 2016 | LHP | |
| Kevin Brandt | WI | Janesville Craig | 2015 | 1B | |
| Austin Brewer | WI | Wilmot | 2015 | RHP | Illinois-Springfield |
| Hop Buran | WI | Lake Country Lutheran | 2016 | 3B | Grand Valley State |
| Nicholas Cafaro | WI | Marquette | 2015 | C | Creighton |
| Zach Campbell | WI | Burlington | 2017 | OF | Wisconsin-Whitewater |
| Trevor Cho | WI | Homestead | 2015 | SS | St. Cloud State University |
| Dominic Clementi | WI | Arrowhead | 2016 | OF | Michigan |
| McCauley Cox | WI | Janesville Craig | 2015 | SS | Illinois-Springfield |
| Drake Daniels | WI | Cedarburg | 2015 | 3B | Olivet Nazarene University |
| Henry Davies | WI | Whitefish Bay | 2015 | OF | |
| Ben Degracie | WI | South Milwaukee | 2016 | OF | |
| Dawson Demant | WI | Union Grove | 2018 | SS | Northern Illinois |
| Jamie DeWitt | WI | Waukesha South | 2017 | C | |
| Joe Dittmar | IL | Richmond Burton | 2016 | RHP | Wichita State |
| Ben Dragani | WI | Catholic Memorial | 2017 | LHP | Michigan |
| Jake Eigner | WI | Germantown | 2017 | RHP | North Carolina Central |
| Austin Emanuel | WI | Mukwonago | 2016 | C | Western Illinois |
| Zak Felkner | WI | Arrowhead | 2015 | SS | |
| Jake Fisher | WI | Whitefish Bay | 2016 | RHP | |
| Grant Frazer | WI | Oconto | 2016 | SS | Central Michigan |
| Joe Gahm | WI | Germantown | 2016 | RHP | Chattahoochee Valley CC |
| Garrett Gilbert | WI | Westosha Central | 2017 | C | Creighton |
| Marshall Gilbert | WI | Westosha Central | 2015 | C | Mississippi State |
| Peter Go | WI | Heritage Christian | 2017 | 1B | |
| Aaron Goecks | WI | Brookfield Academy | 2016 | OF | Southern Illinois-Edwardsville |
| Jake Hall | WI | Lake Country Lutheran | 2016 | SS | Virginia Military Institute |
| Matt Hamilton | WI | Oak Creek | 2016 | RHP | Bradley |
| Nathan Hefle | WI | Germantown | 2017 | RHP | Purdue University Fort Wayne |
| Troy Hickey | WI | Wilmot Union | 2017 | LHP | Madison JC |
| Tyler Hickey | WI | Wilmot | 2015 | RHP | |
| MJ Houdek | WI | Brookfield Central | 2017 | C | University of St. Thomas |
| Aaron Jaeck | WI | Case | 2016 | OF | |
| Taylor Just | WI | Brookfield Academy | 2017 | RHP | |
| Garrett Kaczrowski | WI | Pulaski | 2016 | LHP | Ripon College |
| Connor Kimple | WI | Marquette | 2016 | OF | South Mountain CC |
| Zach Kornburger | WI | Menomonee Falls | 2016 | SS | Wisconsin-Oshkosh |
| Peter Koscinski | WI | Catholic Memorial | 2016 | 1B | Carthage College |
| Nickolas Lackney | WI | Whitefish Bay | 2015 | LHP | Minnesota |
| Dane Lamont | WI | Marquette | 2015 | 3B | Edgewood College |
| Dustin Landers | WI | Kaukauna | 2015 | RHP | St. Cloud State University |
| Justin Lavey | WI | Tremper | 2016 | 3B | Louisville |
| Jacob Lindemann | WI | Burlington | 2017 | RHP | Wichita State |
| Gavin Lux | WI | Indian Trail | 2016 | SS | Arizona State |
| Mitchel Makarewicz | WI | Oak Creek | 2015 | RHP | Xavier |
| Tucker Maris | WI | Homestead | 2015 | RHP | |
| Matt McCarty | WI | South Milwaukee | 2016 | RHP | Louisville |
| Christian McKelvey | WI | Germantown | 2017 | 2B | McHenry County JC |
| Nick McLees | WI | Marquette | 2014 | 3B | Olivet Nazarene University |
| Logan McShane | WI | Wisconsin Lutheran | 2015 | RHP | North Dakota State |
| Takoda Metoxen | WI | Franklin | 2016 | RHP | Memphis |
| Augie Mihlbauer | WI | Mukwonago | 2017 | LHP | Texas Christian |
| Owen Miller | WI | Ozaukee | 2015 | SS | Illinois State |
| Dylan Moser | WI | Homestead | 2017 | OF | Milwaukee Area Technical JC |
| Austin Nowicki | WI | Stoughton | 2016 | SS | |
| Allen Primack | WI | Whitefish Bay | 2017 | 1B | |
| Angel Ramirez | WI | Greendale | 2015 | 2B | Wisconsin-Stevens Point |
| Ty Ramirez | WI | Greendale | 2015 | RHP | Wisconsin-Stevens Point |
| Nolan Rebernick | WI | Union Grove | 2017 | RHP | Madison JC |
| Ben Rortvedt | WI | Verona Area | 2016 | C | Arkansas |
| Boyd Sansone | WI | Menomonee Falls | 2016 | SS | |
| Jake Schultz | WI | East Troy | 2015 | OF | Quincy University |
| Joshua Schwechel | WI | Menomonee Falls | 2016 | C | |
| Kurtis Sippy | WI | Oak Creek | 2016 | RHP | JC of Lake County |
| Patrick Sisk | WI | Marquette | 2017 | SS | Furman |
| Evan Spry | WI | Janesville Craig | 2017 | RHP | Creighton |
| Aaron Steinhoff | WI | Horlick | 2016 | RHP | McHenry County JC |
| Connor Stoming | WI | Germantown | 2017 | SS | University of St. Thomas |
| Kabe Stucker | WI | Catholic Memorial | 2016 | 2B | |
| Aaron Trattner | WI | Nicolet | 2016 | 2B | Benedictine University (IL) |
| Doran Turchin | WI | Oak Creek | 2015 | OF | Illinois |
| Chris Van Handel | WI | Menasha | 2016 | SS | |
| Nikola Vasic | WI | New Berlin Eisenhower | 2015 | 2B | Southern Illinois |
| Jayson Walczak-Zelem | WI | Oak Creek | 2017 | 2B | Wisconsin Lutheran College |
| TD Walker | WI | Milwaukee Lutheran | 2016 | OF | Jacksonville |
| Cyrillo Watson | WI | South Milwaukee | 2016 | RHP | Illinois |
| Xavier Watson | WI | South Milwaukee | 2019 | SS | Illinois |
| Ty Weber | WI | Menomonee Falls | 2016 | RHP | Illinois |
| Ricky West | WI | Homestead | 2016 | 1B | Triton JC |
| Michael Wojcik | IL | Richmond Burton | 2017 | SS | Wisconsin-Oshkosh |
| James Wright | WI | Milwaukee Lutheran | 2016 | RHP | Benedictine University (IL) |
| Christopher Zak | WI | Shorewood | 2017 | RHP | |
| Ryan Zimmer | IL | Richmond Burton | 2017 | 2B |