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| Name | Given Name | Age | Birthday | Height | Weight | Birth City | Birth Country | Batting Hand | Throwing Hand |
|---|---|---|---|---|---|---|---|---|---|
| John Thomson | John Carl | 52 | 10/01/1973 | 6'3" | 175 lbs | Vicksburg | R | R |
| Year | Team | Games | At Bats | Hits | Home Runs | RBI | Batting AVG | Wins | Losses | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | Colorado Rockies | 27 | 47 | 10 | 0 | 5 | 0.2128 | 7 | 9 | 106 | 1 | Pitcher | 2 | 2 | 24 |
| 1998 | Colorado Rockies | 26 | 50 | 6 | 0 | 2 | 0.1200 | 8 | 11 | 106 | 0 | Pitcher | 0 | 3 | 15 |
| 1999 | Colorado Rockies | 14 | 18 | 3 | 0 | 1 | 0.1667 | 1 | 10 | 34 | 0 | Pitcher | 0 | 1 | 10 |
| 2001 | Colorado Rockies | 14 | 29 | 7 | 0 | 1 | 0.2414 | 4 | 5 | 68 | 1 | Pitcher | 1 | 3 | 8 |
| 2002 | Colorado Rockies | 21 | 34 | 6 | 0 | 2 | 0.1765 | 7 | 8 | 76 | 0 | Pitcher | 0 | 0 | 22 |
| 2002 | New York Mets | 9 | 18 | 5 | 0 | 1 | 0.2778 | 2 | 6 | 31 | 0 | Pitcher | 1 | 0 | 14 |
| 2003 | Texas Rangers | 35 | 1 | 0 | 0 | 0 | 0.0000 | 13 | 14 | 136 | 1 | Pitcher | 2 | 2 | 36 |
| 2004 | Atlanta Braves | 33 | 66 | 13 | 0 | 4 | 0.1970 | 14 | 8 | 133 | 0 | Pitcher | 1 | 2 | 27 |
| 2005 | Atlanta Braves | 17 | 25 | 5 | 0 | 2 | 0.2000 | 4 | 6 | 61 | 0 | Pitcher | 0 | 2 | 14 |
| 2006 | Atlanta Braves | 18 | 30 | 8 | 0 | 4 | 0.2667 | 2 | 7 | 46 | 0 | Pitcher | 0 | 0 | 16 |
| 2007 | Kansas City Royals | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 0 | Pitcher | 0 | 0 | 1 |