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| Given Name: | Keiichi |
| Birth Date: | 1968-9-28 |
| Birth City: | Minami Muro-gun |
| Birth Country: | Japan |
| Height: | 72 cm |
| Weight: | 200 kg |
| Bats: | Right |
| Throws: | Right |
| Age: | 57 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 Oakland Athletics | 0.000 | 0 | 1 | 0 | 0 | 4 | 0 | 40 | 44 | 0 | P | 0 | 0 | 5 |
| 2008 San Francisco Giants | 0.000 | 0 | 1 | 0 | 0 | 3 | 6 | 60 | 48 | 0 | P | 3 | 0 | 6 |