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| Given Name: | Ronald Thomas |
| Birth Date: | 1970-1-16 |
| Birth City: | Englewood |
| Birth Country: | |
| Height: | 75 cm |
| Weight: | 245 kg |
| Bats: | Left |
| Throws: | Left |
| Age: | 56 |
| Teams and Years | Batting Average | Hits | At Bats | Home Runs | Runs Batted In | Wins | Losses | Games Pitched In | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 San Diego Padres | 0.000 | 0 | 1 | 0 | 0 | 2 | 1 | 19 | 37 | 0 | P | 0 | 0 | 2 |
| 1995 Seattle Mariners | 0 | 0 | 0 | 0 | 0 | 2 | 19 | 26 | 0 | P | 1 | 0 | 2 | |
| 1996 Milwaukee Brewers | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 19 | 0 | P | 1 | 0 | 1 | |
| 1996 San Diego Padres | 0 | 0 | 0 | 0 | 1 | 1 | 21 | 19 | 0 | P | 1 | 0 | 4 | |
| 1997 Milwaukee Brewers | 0.000 | 0 | 1 | 0 | 0 | 1 | 0 | 50 | 40 | 0 | P | 1 | 2 | 6 |
| 1998 Cleveland Indians | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 15 | 0 | P | 0 | 0 | 4 | |
| 1999 Cincinnati Reds | 0.070 | 3 | 43 | 0 | 0 | 9 | 7 | 29 | 97 | 0 | P | 6 | 1 | 28 |
| 2000 Cincinnati Reds | 0.163 | 7 | 43 | 0 | 4 | 10 | 10 | 35 | 77 | 0 | P | 4 | 1 | 23 |
| 2001 Colorado Rockies | 0.000 | 0 | 9 | 0 | 0 | 1 | 3 | 22 | 48 | 0 | P | 0 | 0 | 3 |
| 2001 Houston Astros | 0.077 | 1 | 13 | 0 | 0 | 5 | 7 | 31 | 65 | 0 | P | 0 | 1 | 10 |
| 2002 Pittsburgh Pirates | 0.250 | 4 | 16 | 0 | 1 | 4 | 6 | 45 | 55 | 0 | P | 2 | 2 | 20 |
| 2003 Houston Astros | 0.167 | 7 | 42 | 1 | 2 | 6 | 6 | 19 | 91 | 0 | P | 0 | 0 | 16 |
| 2004 Seattle Mariners | 0 | 0 | 0 | 0 | 8 | 6 | 56 | 86 | 0 | P | 4 | 2 | 17 | |
| 2005 Florida Marlins | 0.000 | 0 | 1 | 0 | 0 | 3 | 2 | 27 | 29 | 0 | P | 1 | 0 | 2 |
| 2005 Seattle Mariners | 0 | 0 | 0 | 0 | 2 | 3 | 52 | 41 | 0 | P | 0 | 0 | 8 | |
| 2006 New York Yankees | 0 | 0 | 0 | 0 | 3 | 3 | 70 | 72 | 0 | P | 1 | 1 | 19 | |
| 2007 New York Yankees | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 25 | 0 | P | 0 | 1 | 4 | |
| 2008 St. Louis Cardinals | 0.000 | 0 | 1 | 0 | 0 | 1 | 2 | 74 | 50 | 0 | P | 1 | 2 | 8 |
| 2009 Washington Nationals | 0 | 0 | 0 | 0 | 5 | 6 | 63 | 33 | 0 | P | 1 | 0 | 7 |