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| Name | Given Name | Age | Birthday | Height | Weight | Birth City | Birth Country | Batting Hand | Throwing Hand |
|---|---|---|---|---|---|---|---|---|---|
| Jon Lieber | Jonathan Ray | 56 | 04/02/1970 | 6'3" | 220 lbs | Council Bluffs | L | R |
| Year | Team | Games | At Bats | Hits | Home Runs | RBI | Batting AVG | Wins | Losses | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1994 | Pittsburgh Pirates | 17 | 39 | 4 | 0 | 0 | 0.1026 | 6 | 7 | 71 | 0 | Pitcher | 2 | 1 | 8 |
| 1995 | Pittsburgh Pirates | 21 | 21 | 1 | 0 | 0 | 0.0476 | 4 | 7 | 45 | 0 | Pitcher | 1 | 0 | 16 |
| 1996 | Pittsburgh Pirates | 51 | 36 | 7 | 0 | 3 | 0.1944 | 9 | 5 | 94 | 0 | Pitcher | 0 | 0 | 25 |
| 1997 | Pittsburgh Pirates | 33 | 58 | 7 | 0 | 8 | 0.1207 | 11 | 14 | 160 | 0 | Pitcher | 1 | 1 | 25 |
| 1998 | Pittsburgh Pirates | 29 | 48 | 8 | 0 | 1 | 0.1667 | 8 | 14 | 138 | 0 | Pitcher | 0 | 1 | 17 |
| 1999 | Chicago Cubs | 31 | 58 | 7 | 0 | 2 | 0.1207 | 10 | 11 | 186 | 1 | Pitcher | 2 | 1 | 17 |
| 2000 | Chicago Cubs | 35 | 82 | 18 | 0 | 4 | 0.2195 | 12 | 11 | 192 | 1 | Pitcher | 1 | 1 | 31 |
| 2001 | Chicago Cubs | 34 | 76 | 12 | 0 | 2 | 0.1579 | 20 | 6 | 148 | 1 | Pitcher | 0 | 4 | 35 |
| 2002 | Chicago Cubs | 21 | 43 | 7 | 0 | 0 | 0.1628 | 6 | 8 | 87 | 0 | Pitcher | 0 | 1 | 19 |
| 2004 | New York Yankees | 27 | 3 | 1 | 0 | 0 | 0.3333 | 14 | 8 | 102 | 0 | Pitcher | 4 | 1 | 19 |
| 2005 | Philadelphia Phillies | 35 | 73 | 7 | 0 | 4 | 0.0959 | 17 | 13 | 149 | 0 | Pitcher | 4 | 0 | 27 |
| 2006 | Philadelphia Phillies | 27 | 53 | 5 | 0 | 0 | 0.0943 | 9 | 11 | 100 | 1 | Pitcher | 3 | 0 | 19 |
| 2007 | Philadelphia Phillies | 14 | 17 | 1 | 0 | 1 | 0.0588 | 3 | 6 | 54 | 1 | Pitcher | 2 | 1 | 5 |
| 2008 | Chicago Cubs | 26 | 5 | 0 | 0 | 0 | 0.0000 | 2 | 3 | 27 | 0 | Pitcher | 0 | 0 | 6 |