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| Player Name | Given Name | Birth Date | Birth Place | Height | Weight | Bat Hand | Throw Hand | Age |
|---|---|---|---|---|---|---|---|---|
| Mario Guerrero | Mario Miguel | 9/28/1949 | Santo Domingo Distrito Nacional, D.R. | 6'10" | 155 | Right | Right | 75 |
| Year | Team Name | Hits | Bats | Homeruns | RBI | Batting AVG | Wins | Loses | Total Games | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1973 | Boston Red Sox | 51 | 219 | 0 | 11 | 0.2329 | 2nd Base | 3 | 19 | 54 | |||||
| 1974 | Boston Red Sox | 70 | 284 | 0 | 23 | 0.2465 | Short Stop | 5 | 30 | 129 | |||||
| 1975 | St. Louis Cardinals | 44 | 184 | 0 | 11 | 0.2391 | Short Stop | 13 | 50 | 266 | |||||
| 1976 | California Angels | 76 | 268 | 1 | 18 | 0.2836 | Short Stop | 13 | 29 | 198 | |||||
| 1977 | California Angels | 69 | 244 | 1 | 28 | 0.2828 | 2nd Base | 5 | 19 | 97 | |||||
| 1978 | Oakland Athletics | 139 | 505 | 3 | 38 | 0.2752 | Short Stop | 9 | 13 | 75 | |||||
| 1979 | Oakland Athletics | 38 | 166 | 0 | 18 | 0.2289 | 2nd Base | 0 | 2 | 20 | |||||
| 1980 | Oakland Athletics | 91 | 381 | 2 | 23 | 0.2388 | Short Stop | 2 | 16 | 85 |