| Home | Teams and Players | Homerun Kings | Top Salaries | Top RBIs | Hall of Fame |
| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| Jeffrey | Leonard | Jeffrey | 1955 | 9 | 22 | Philadelphia | USA | 74 | 200 | -1956 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1977 | Los Angeles Dodgers | 10 | 0 | 2 | 0.3000 |
| 1978 | Houston Astros | 26 | 0 | 4 | 0.3846 |
| 1979 | Houston Astros | 411 | 0 | 47 | 0.2895 |
| 1980 | Houston Astros | 216 | 3 | 20 | 0.2130 |
| 1981 | Houston Astros | 18 | 0 | 3 | 0.1667 |
| 1981 | San Francisco Giants | 127 | 4 | 26 | 0.3071 |
| 1982 | San Francisco Giants | 278 | 9 | 49 | 0.2590 |
| 1983 | San Francisco Giants | 516 | 21 | 87 | 0.2791 |
| 1984 | San Francisco Giants | 514 | 21 | 86 | 0.3016 |
| 1985 | San Francisco Giants | 507 | 17 | 62 | 0.2406 |
| 1986 | San Francisco Giants | 341 | 6 | 42 | 0.2786 |
| 1987 | San Francisco Giants | 503 | 19 | 63 | 0.2803 |
| 1988 | Milwaukee Brewers | 374 | 8 | 44 | 0.2353 |
| 1988 | San Francisco Giants | 160 | 2 | 20 | 0.2563 |
| 1989 | Seattle Mariners | 566 | 24 | 93 | 0.2544 |
| 1990 | Seattle Mariners | 478 | 10 | 75 | 0.2510 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1977 | Los Angeles Dodgers | 0 | 0 | 0 | 0 |
| 1978 | Houston Astros | 0 | 0 | 0 | 0 |
| 1979 | Houston Astros | 0 | 0 | 0 | 0 |
| 1980 | Houston Astros | 0 | 0 | 0 | 0 |
| 1981 | Houston Astros | 0 | 0 | 0 | 0 |
| 1981 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1982 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1983 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1984 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1985 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1986 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1987 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1988 | Milwaukee Brewers | 0 | 0 | 0 | 0 |
| 1988 | San Francisco Giants | 0 | 0 | 0 | 0 |
| 1989 | Seattle Mariners | 0 | 0 | 0 | 0 |
| 1990 | Seattle Mariners | 0 | 0 | 0 | 0 |
| Year | Team | POS | E | DP | A |
|---|---|---|---|---|---|
| 1977 | Los Angeles Dodgers | OF | 0 | 0 | 0 |
| 1978 | Houston Astros | OF | 0 | 1 | 1 |
| 1979 | Houston Astros | OF | 10 | 1 | 6 |
| 1980 | Houston Astros | 1B | 1 | 7 | 3 |
| 1980 | Houston Astros | OF | 2 | 0 | 6 |
| 1981 | Houston Astros | 1B | 0 | 0 | 1 |
| 1981 | Houston Astros | OF | 0 | 0 | 0 |
| 1981 | San Francisco Giants | 1B | 1 | 5 | 2 |
| 1981 | San Francisco Giants | OF | 0 | 0 | 2 |
| 1982 | San Francisco Giants | 1B | 3 | 0 | 0 |
| 1982 | San Francisco Giants | OF | 6 | 0 | 2 |
| 1983 | San Francisco Giants | OF | 7 | 2 | 17 |
| 1984 | San Francisco Giants | OF | 8 | 4 | 14 |
| 1985 | San Francisco Giants | OF | 5 | 0 | 10 |
| 1986 | San Francisco Giants | OF | 5 | 1 | 4 |
| 1987 | San Francisco Giants | OF | 7 | 2 | 7 |
| 1988 | Milwaukee Brewers | OF | 3 | 1 | 4 |
| 1988 | San Francisco Giants | OF | 1 | 0 | 0 |
| 1989 | Seattle Mariners | OF | 1 | 0 | 2 |
| 1990 | Seattle Mariners | OF | 2 | 0 | 0 |