| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Jim Mason |
| Given Name | James Percy |
| Birth Date | 1950-8-14 |
| Birth City | Mobile, AL |
| Height | 6'2" |
| Weight | 185 lbs. |
| Batting Hand | Left |
| Pitching Hand | Right |
| Alive | Yes |
| Age | 75 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | Washington Senators | 3 | 9 | 0 | 0 | 0.333333 | |||||
| 1972 | Texas Rangers | 29 | 147 | 0 | 10 | 0.197279 | |||||
| 1973 | Texas Rangers | 49 | 238 | 3 | 19 | 0.205882 | |||||
| 1974 | New York Yankees | 110 | 440 | 5 | 37 | 0.25 | |||||
| 1975 | New York Yankees | 34 | 223 | 2 | 16 | 0.152466 | |||||
| 1976 | New York Yankees | 39 | 217 | 1 | 14 | 0.179724 | |||||
| 1977 | Texas Rangers | 13 | 79 | 0 | 2 | 0.164557 | |||||
| 1977 | Texas Rangers | 12 | 55 | 1 | 7 | 0.218182 | |||||
| 1977 | Toronto Blue Jays | 13 | 79 | 0 | 2 | 0.164557 | |||||
| 1977 | Toronto Blue Jays | 12 | 55 | 1 | 7 | 0.218182 | |||||
| 1978 | Texas Rangers | 20 | 105 | 0 | 3 | 0.190476 | |||||
| 1979 | Montreal Expos | 13 | 71 | 0 | 6 | 0.183099 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1971 | Shortstop | 1 | 1 | 13 |
| 1972 | 3rd Base | 2 | 0 | 13 |
| 1972 | Shortstop | 8 | 14 | 93 |
| 1973 | 2nd Base | 2 | 8 | 24 |
| 1973 | 3rd Base | 0 | 0 | 0 |
| 1973 | Shortstop | 18 | 43 | 206 |
| 1974 | Shortstop | 25 | 87 | 430 |
| 1975 | 2nd Base | 0 | 0 | 0 |
| 1975 | Shortstop | 16 | 45 | 209 |
| 1976 | Shortstop | 13 | 47 | 245 |
| 1977 | 3rd Base | 1 | 0 | 0 |
| 1977 | Shortstop | 2 | 11 | 57 |
| 1977 | Shortstop | 3 | 9 | 51 |
| 1978 | 2nd Base | 0 | 0 | 0 |
| 1978 | 3rd Base | 2 | 2 | 13 |
| 1978 | Shortstop | 8 | 12 | 79 |
| 1979 | 3rd Base | 0 | 1 | 9 |
| 1979 | Shortstop | 3 | 9 | 53 |