| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Oswaldo Mairena |
| Given Name | Oswaldo Antonio |
| Birth Date | 1975-7-30 |
| Birth City | Chinandega, Chinandega |
| Birth Country | Nicaragua |
| Height | 5'11" |
| Weight | 165 lbs. |
| Batting Hand | Left |
| Pitching Hand | Left |
| Alive | Yes |
| Age | 50 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | Chicago Cubs | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 2 | 0 | 0 |
| 2002 | Florida Marlins | 0 | 0 | 0 | 0 | NAN | 2 | 3 | 31 | 21 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 2000 | Pitcher | 0 | 0 | 0 |
| 2002 | Pitcher | 0 | 0 | 5 |