| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Efraín J.•Nieves Soto | |
| Used name | Efraín•Nieves | |
| Born | 23 October 1967 | |
| Measurements | 77 kg | |
| NOC | Puerto Rico |  PUR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Baseball (Baseball/Softball) | PUR |
Efraín Nieves | |||
| Baseball, Men (Olympic) | Puerto Rico | 5 |
