Pioneer Baseball - 2004 Roster
| No. | Name | Pos. | B/T | Yr. | Hometown (High School) |
| 2 | Bailey Brueggen *** | OF | R/R | Sr. | Westby, WI (Cashton) |
| 3 | Bryan Aspenson * | P | R/R | So. | Gays Mills, WI (Seneca) |
| 4 | Ryan Angst | P/OF | L/L | Fr. | Green Bay, WI (Southwest) |
| 5 | Ryan Pfaff * | P | R/R | So. | Mauston, WI |
| 6 | Jay Lindner | P | L/L | Fr. | Linden, WI (Iowa-Grant) |
| 7 | Ryan Levendoski *** | C | R/R | Sr. | Stoddard, WI (De Soto) |
| 8 | Brett Mandsager ** | OF | R/R | Jr. | Donahue, IA (North Scott) |
| 9 | Mike Davis | P | R/R | Fr. | Green Bay, WI (Pulaski) |
| 10 | Brandon Ihm * | INF | L/R | So. | Belleville, WI |
| 11 | Dan Birr | INF | L/R | Fr. | Reedsburg, WI |
| 12 | Nick Archambeau * | P | L/L | So. | Watertown, WI |
| 13 | Justin Gelhausen | C | R/R | Fr. | Antigo, WI |
| 15 | Dan Cunningham | P | R/R | Jr. | Peoria, IL (Notre Dame) |
| 16 | David Reifenberger * | C/P | R/R | Jr. | West Lafayette, IN (Harrison) |
| 17 | Nick Pepper * | INF | R/R | So. | Sterling, IL |
| 18 | Jared Sunde | OF | R/R | Fr. | Rio, WI |
| 20 | Ryan Slaght * | P | R/R | So. | Baraboo, WI |
| 21 | EJ Zbikowski | 1B | R/R | Jr. | Arlington Hts., IL (Buffalo Grove) |
| 22 | Kurt Ritschard | P | R/R | So. | Argyle, WI |
| 23 | Josh Conley *** | P | L/R | Sr. | Fennimore, WI |
| 24 | Chase Suchla | OF | R/R | Fr. | Sauk Prairie, WI |
| 26 | Jeremy Granlund * | P | R/R | So. | Oak Creek, WI |
| 27 | Jimmy Kuriatnyk | P/OF | L/L | Fr. | Milwaukee, WI (Rufus King) |
| 28 | Trevor Todd | P | L/L | Fr. | St. Croix Falls, WI |
| 29 | Paul Kane *** | P | R/R | Sr. | Wisconsin Rapids, WI (Lincoln) |
| 30 | Jesse Moore | 1B | R/R | Fr. | North Freedom, WI (Sauk Prairie) |
| 31 | Paul Meyer | C | R/R | Fr. | Belleville, WI |
| 34 | Ross Bennett | 1B | R/R | Fr. | Mequon, WI (Homestead) |
| 37 | Mike Flood | INF | R/R | Fr. | Madison, WI (LaFollette) |
| 39 | Shane Stuhr | OF | L/R | Fr. | Galesville, WI (G-E-T) |
| 40 | Eric Fields * | P | R/R | Jr. | Lancaster, OH (Harrison) |
| 41 | Nick Aplin | INF | L/R | Fr. | Marshall, WI (Deerfield) |
| 42 | Jason Watson * | INF | R/R | So. | Boscobel, WI |
| 44 | Tim Carty | P | R/R | Fr. | Dubuque, IA (Hempstead) |
*=Number of letters won at UW-Platteville
Head Coach
Jamie Sailors
Assistant Coaches
Jason Piddington
Jason Shanda
John Piddington
Brad Stangel