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| Given Name: | Leoncio |
| Birth Date: | 1975-2-20 |
| Birth City: | Puerto Plata |
| Birth Country: | D.R. |
| Height: | 73 cm |
| Weight: | 185 kg |
| Bats: | Right |
| Throws: | Right |
| Age: | 51 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 Toronto Blue Jays | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | P | 0 | 0 | 1 | |
| 2003 Milwaukee Brewers | 0 | 0 | 0 | 0 | 7 | 3 | 58 | 25 | 0 | P | 1 | 1 | 14 | |
| 2004 San Francisco Giants | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | P | 0 | 0 | 0 |