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| Name | Team | Age |
| John Leppert | Retired (2011, Age 34) | Died (2050, Age 73) |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 20 (1995) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Hank Aaron League | 0 | 2 years (117 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 10/19/1977 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year | Type
|
Chances
|
Endurance | Velocity | Control | Total |
| 1995 | Minors | 8.00 | 0 / 0 | 2 / 5 | 0 / 3 | 2 / 8 |
| 1996 | Minors | 7.00 | 0 / 0 | 1 / 2 | 0 / 5 | 1 / 7 |
| 1997 | Minors | 10.00 | 0 / 0 | 3 / 6 | 1 / 4 | 4 / 10 |
| 1998 | Minors | 10.00 | 0 / 0 | 1 / 5 | 0 / 5 | 1 / 10 |
| 1999 | Minors | 10.00 | 0 / 0 | 1 / 4 | 4 / 6 | 5 / 10 |
| 1999 | Majors | 5.22 | 0 / 0 | 0 / 1 | 0 / 4 | 0 / 5 |
| 2000 | Minors | 1.00 | 0 / 0 | 0 / 0 | 0 / 1 | 0 / 1 |
| 2000 | Majors | 31.22 | 0 / 1 | 2 / 14 | 5 / 16 | 7 / 31 |
| 2001 | Minors | 4.00 | 0 / 0 | 1 / 4 | 0 / 0 | 1 / 4 |
| 2001 | Majors | 28.89 | 1 / 1 | 1 / 18 | 3 / 9 | 5 / 28 |
| 2002 | Minors | 8.00 | 0 / 0 | 0 / 4 | 0 / 4 | 0 / 8 |
| 2003 | Minors | 7.00 | 0 / 0 | 0 / 7 | 0 / 0 | 0 / 7 |
| 2004 | Minors | 8.00 | 0 / 0 | 0 / 5 | 0 / 3 | 0 / 8 |
| 2005 | Minors | 11.00 | 0 / 0 | 0 / 6 | 1 / 5 | 1 / 11 |
| 2006 | Majors | 18.69 | 0 / 0 | 0 / 9 | 0 / 9 | 0 / 18 |
| 2007 | Minors | 3.00 | 0 / 1 | 0 / 0 | 0 / 2 | 0 / 3 |
| 2008 | Minors | 4.00 | 0 / 0 | 0 / 2 | 0 / 2 | 0 / 4 |
| 2009 | Minors | 3.00 | 0 / 1 | 0 / 0 | 1 / 2 | 1 / 3 |
| 2009 | Majors | 2.34 | 0 / 0 | 0 / 0 | 0 / 2 | 0 / 2 |
| 2010 | Minors | 10.00 | 0 / 0 | 0 / 3 | 0 / 7 | 0 / 10 |
| 2011 | Minors | 6.00 | 0 / 0 | 0 / 3 | 0 / 3 | 0 / 6 |
| Total | 1 / 4 | 12 / 98 | 15 / 92 | 28 / 194 |
| Date | Transaction |
| 2011-11-01 | John Leppert has retired from the St. Louis Sliders |
| 2009-04-14 | The St. Louis Sliders have promoted Ron Riley to the major league team. The St. Louis Sliders have promoted Tony Hanski to the major league team. The St. Louis Sliders have designated John Leppert for assignment. The St. Louis Sliders have designated Pete Pellagrini for assignment. |
| 2009-03-25 | The St. Louis Sliders have promoted John Leppert to the major league team. The St. Louis Sliders have sent Chris Lampkin to the minors. |
| 2008-04-09 | The St. Louis Sliders have acquired John Leppert from the waiver wire. |
| 2008-03-30 | The Milwaukee Potawatomis have waived John Leppert. |
| 2007-09-25 | The Milwaukee Potawatomis have acquired John Leppert from the waiver wire. |
| 2007-09-01 | The Chicago 89s have waived John Leppert. |
| 2007-03-30 | The Chicago 89s have promoted Joe Simmons to the major league team. The Chicago 89s have promoted Jim Young to the major league team. The Chicago 89s have designated John Leppert for assignment. |
| 2006-03-30 | The Chicago 89s have promoted John Leppert to the major league team. The Chicago 89s have sent Luis Delgado to the minors. |
| 2001-08-05 | The Chicago 89s have promoted Fred Lawrence to the major league team. The Chicago 89s have designated John Leppert for assignment. |
| 2001-04-27 | The Chicago 89s have promoted John Leppert to the major league team. The Chicago 89s have designated Bungie McCord for assignment. |
| 2001-04-01 | The Chicago 89s have promoted Otto Thon to the major league team. The Chicago 89s have designated John Leppert for assignment. |
| 2000-09-18 | The Chicago 89s have promoted John Leppert to the major league team. The Chicago 89s have sent Dick Hackett to the minors. |
| 2000-09-01 | The Chicago 89s have promoted Jim Stapleton to the major league team. The Chicago 89s have sent John Leppert to the minors. |
| 2000-07-22 | The Chicago 89s have promoted John Leppert to the major league team. The Chicago 89s have sent Hank Kelly to the minors. |
| 2000-07-22 | The Chicago 89s have promoted Jeremy Clemens to the major league team. The Chicago 89s have sent John Leppert to the minors. |
| 1999-08-25 | The Chicago 89s have promoted John Leppert to the major league team. |
| 1995-07-29 | The Chicago 89s have acquired John Leppert from the waiver wire. |
| 1995-07-04 | The Washington Senators have waived John Leppert. |
| 1995-06-10 | The Washington Senators have acquired John Leppert from the waiver wire. |
| 1995-03-30 | The Cleveland Indians have waived John Leppert. |