2009 Roster
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| Coaches | Alphabetical | Numerical |
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| Alphabetical |
| No. | Name | Ht. | Wt. | Pos. | Year | B/T | Hometown | High School | Last College |
16 | Nick Addison | 6-3 | 195 | OF | FR | R/R | Barrington, Ill. | Fremd | |
| 7 | Tony Altavilla | 5-11 | 180 | INF/OF | SR | L/R | Lakeville, Minn. | Lakeville | College of Southern Idaho |
| 38 | Mike Bjerke | 6-0 | 180 | RHP | RS FR | R/R | Brooklyn Center, Minn. | Champlin Park | |
| 13 | Jake Carr | 5-11 | 195 | OF/INF | SR | R/R | Frankfort, Ill. | Marian Catholic | |
| 9 | Jason Ganek | 6-3 | 185 | INF | SO | R/R | Mount Prospect, Ill. | Hersey | |
| 14 | Rafael Garcia | 6-2 | 190 | SS | SO | R/R | Chicago, Ill. | Clemente | |
| 6 | Brandon Harwell | 5-9 | 175 | INF | SR | L/R | Arlington Heights, Ill. | Hersey | Vernon College |
| 27 | Michael Heesch | 6-5 | 220 | LHP | FR | L/L | Crystal Lake, Ill. | Prairie Ridge | |
| 23 | Steven Humble | 6-3 | 190 | C | JR | R/R | Eugene, Ore. | North Eugene | Chemeketa College |
| 49 | Peter Ifft | 6-5 | 215 | RHP | JR | R/R | Rockford, Ill. | Boylan | |
| 34 | Harry Kammholz | 6-3 | 180 | INF | FR | L/R | Chicago, Ill. | Mount Carmel | |
| 17 | Mike Kool | 6-0 | 185 | RHP | SR | R/R | Davenport, Iowa | Davenport Central | Black Hawk College |
| 18 | Chris Kovacevich | 6-5 | 210 | LHP | JR | L/L | Frankfort, Ill. | Lincoln-Way East | Coastal Carolina |
| 3 | Andy Leonard | 5-10 | 165 | INF | SO | R/R | Palos Heights, Ill. | Stagg | |
| 5 | Steve McGuiggan | 5-11 | 195 | OF | SO | R/R | Apple Valley, Minn. | Apple Valley | |
| 50 | Ryan Meehan | 6-2 | 215 | C | JR | R/R | Grayslake, Ill. | Carmel | |
| 2 | Devin Melecio | 5-7 | 165 | OF | SO | R/R | Chicago, Ill. | Clemente | |
| 20 | Derrick Miramontes | 5-10 | 180 | RHP | SR | R/R | Durham, Calif. | Durham | Butte College |
| 10 | Nathan Orf | 5-8 | 165 | C | FR | R/R | Wentzville, Mo. | Francis Howell | |
| 37 | Brad Riegler | 6-0 | 180 | RHP | JR | R/R | Downers Grove, Ill. | Downers Grove South | |
| 25 | John Rosinski | 6-2 | 200 | OF | SO | R/R | Wilmette, Ill. | New Trier | |
| 11 | Ty Rubio | 5-8 | 160 | OF | JR | R/R | Palatine, Ill. | Palatine | |
| 32 | Chris Rutta | 6-4 | 215 | OF | JR | R/R | Rothschild, Wis. | D.C. Everest | |
| 35 | Matt Salemi | 6-0 | 180 | RHP | FR | R/R | Spring Grove, Ill. | Richmond-Burton | |
| 22 | Brett Schaefer | 6-4 | 235 | 1B/DH | SR | R/R | Orland Park, Ill. | Brother Rice | |
| 51 | Ryan Schweikert | 6-4 | 220 | INF | SR | L/L | Brookfield, Wis. | Brookfield Central | Spartanburg Methodist |
| 24 | Matt Serna | 6-1 | 165 | INF/OF | JR | R/R | Arlington Heights, Ill. | Rolling Meadows | Lincoln College |
| 21 | Adam Worthington | 5-10 | 185 | RHP | SR | R/R | Gurnee, Ill. | Warren | |
| 31 | Zack Wright | 6-5 | 205 | RHP | SR | R/R | Tinley Park, Ill. | Andrew | |
| 33 | Eric Wyman | 6-3 | 195 | LHP | SO | L/L | West Chicago, Ill. | West Chicago | |
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| Numerical |
| No. | Name | Ht. | Wt. | Pos. | Year | B/T | Hometown | High School | Last College |
| 2 | Devin Melecio | 5-7 | 165 | OF | SO | R/R | Chicago, Ill. | Clemente | |
| 3 | Andy Leonard | 5-10 | 165 | INF | SO | R/R | Palos Heights, Ill. | Stagg | |
| 5 | Steve McGuiggan | 5-11 | 195 | OF | SO | R/R | Apple Valley, Minn. | Apple Valley | |
| 6 | Brandon Harwell | 5-9 | 175 | INF | SR | L/R | Arlington Heights, Ill. | Hersey | Vernon College |
| 7 | Tony Altavilla | 5-11 | 180 | INF/OF | SR | L/R | Lakeville, Minn. | Lakeville | College of Southern Idaho |
| 9 | Jason Ganek | 6-3 | 185 | INF | SO | R/R | Mount Prospect, Ill. | Hersey | |
| 10 | Nathan Orf | 5-8 | 165 | C | FR | R/R | Wentzville, Mo. | Francis Howell | |
| 11 | Ty Rubio | 5-8 | 160 | OF | JR | R/R | Palatine, Ill. | Palatine | |
| 13 | Jake Carr | 5-11 | 195 | OF/INF | SR | R/R | Frankfort, Ill. | Marian Catholic | |
| 14 | Rafael Garcia | 6-2 | 190 | SS | SO | R/R | Chicago, Ill. | Clemente | |
| 16 | Nick Addison | 6-3 | 195 | OF | FR | R/R | Barrington, Ill. | Fremd | |
| 17 | Mike Kool | 6-0 | 185 | RHP | SR | R/R | Davenport, Iowa | Davenport Central | Black Hawk College |
| 18 | Chris Kovacevich | 6-5 | 210 | LHP | JR | L/L | Frankfort, Ill. | Lincoln-Way East | Coastal Carolina |
| 20 | Derrick Miramontes | 5-10 | 180 | RHP | SR | R/R | Durham, Calif. | Durham | Butte College |
| 21 | Adam Worthington | 5-10 | 185 | RHP | SR | R/R | Gurnee, Ill. | Warren | |
| 22 | Brett Schaefer | 6-4 | 235 | 1B/DH | SR | R/R | Orland Park, Ill. | Brother Rice | |
| 23 | Steven Humble | 6-3 | 190 | C | JR | R/R | Eugene, Ore. | North Eugene | Chemeketa College |
| 24 | Matt Serna | 6-1 | 165 | INF/OF | JR | R/R | Arlington Heights, Ill. | Rolling Meadows | Lincoln College |
| 25 | John Rosinski | 6-2 | 200 | OF | SO | R/R | Wilmette, Ill. | New Trier | |
| 27 | Michael Heesch | 6-5 | 220 | LHP | FR | L/L | Crystal Lake, Ill. | Prairie Ridge | |
| 31 | Zack Wright | 6-5 | 205 | RHP | SR | R/R | Tinley Park, Ill. | Andrew | |
| 32 | Chris Rutta | 6-4 | 215 | OF | JR | R/R | Rothschild, Wis. | D.C. Everest | |
| 33 | Eric Wyman | 6-3 | 195 | LHP | SO | L/L | West Chicago, Ill. | West Chicago | |
| 34 | Harry Kammholz | 6-3 | 180 | INF | FR | L/R | Chicago, Ill. | Mount Carmel | |
| 35 | Matt Salemi | 6-0 | 180 | RHP | FR | R/R | Spring Grove, Ill. | Richmond-Burton | |
| 37 | Brad Riegler | 6-0 | 180 | RHP | JR | R/R | Downers Grove, Ill. | Downers Grove South | |
| 38 | Mike Bjerke | 6-0 | 180 | RHP | RS FR | R/R | Brooklyn Center, Minn. | Champlin Park | |
| 49 | Peter Ifft | 6-5 | 215 | RHP | JR | R/R | Rockford, Ill. | Boylan | |
| 50 | Ryan Meehan | 6-2 | 215 | C | JR | R/R | Grayslake, Ill. | Carmel | |
| 51 | Ryan Schweikert | 6-4 | 220 | INF | SR | L/L | Brookfield, Wis. | Brookfield Central | Spartanburg Methodist |
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