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Jeffrey Leonard played 14 major-league seasons (1977-1990) as a OF (1,147), 1B (19). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 15 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1977 | 22 | LAN | 11 | 10 | 1 | 3 | 0 | 2 | 0 | 1 | 4 | .300 | .864 | 137 |
| 1978 | 23 | HOU | 8 | 26 | 2 | 10 | 0 | 4 | 0 | 1 | 2 | .385 | .869 | 151 |
| 1979 | 24 | HOU | 134 | 411 | 47 | 119 | 0 | 47 | 23 | 46 | 68 | .290 | .710 | 102 |
| 1980 | 25 | HOU | 88 | 216 | 29 | 46 | 3 | 20 | 4 | 19 | 46 | .213 | .608 | 75 |
| 1981 | 26 | HOU|SFN | 44 | 145 | 21 | 42 | 4 | 29 | 5 | 12 | 25 | .290 | .856 | 149 |
| 1982 | 27 | SFN | 80 | 278 | 32 | 72 | 9 | 49 | 18 | 19 | 65 | .259 | .727 | 109 |
| 1983 | 28 | SFN | 139 | 516 | 74 | 144 | 21 | 87 | 26 | 35 | 116 | .279 | .784 | 123 |
| 1984 | 29 | SFN | 136 | 514 | 76 | 155 | 21 | 86 | 17 | 47 | 123 | .302 | .841 | 143 |
| 1985 | 30 | SFN | 133 | 507 | 49 | 122 | 17 | 62 | 11 | 21 | 107 | .241 | .664 | 90 |
| 1986 | 31 | SFN | 89 | 341 | 48 | 95 | 6 | 42 | 16 | 20 | 62 | .279 | .703 | 100 |
| 1987 | 32 | SFN | 131 | 503 | 70 | 141 | 19 | 63 | 16 | 21 | 68 | .280 | .776 | 110 |
| 1988 | 33 | ML4 | 94 | 374 | 45 | 88 | 8 | 44 | 10 | 16 | 68 | .235 | .620 | 73 |
| 1988 | 33 | SFN | 44 | 160 | 12 | 41 | 2 | 20 | 7 | 9 | 24 | .256 | .649 | 92 |
| 1989 | 34 | SEA | 150 | 566 | 69 | 144 | 24 | 93 | 6 | 38 | 125 | .254 | .722 | 102 |
| 1990 | 35 | SEA | 134 | 478 | 39 | 120 | 10 | 75 | 4 | 37 | 97 | .251 | .660 | 85 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1977 | OF | 10 | 0 | 7 | 0 | 0 | 0 |
| 1978 | OF | 8 | 7 | 16 | 1 | 0 | 1 |
| 1979 | OF | 123 | 107 | 227 | 6 | 10 | 1 |
| 1980 | OF | 56 | 37 | 87 | 6 | 2 | 0 |
| 1980 | 1B | 11 | 9 | 74 | 3 | 1 | 7 |
| 1981 | OF | 30 | 29 | 82 | 2 | 0 | 0 |
| 1981 | 1B | 7 | 7 | 70 | 3 | 1 | 5 |
| 1982 | OF | 74 | 72 | 135 | 2 | 6 | 0 |
| 1982 | 1B | 1 | 1 | 2 | 0 | 3 | 0 |
| 1983 | OF | 136 | 135 | 253 | 17 | 7 | 2 |
| 1984 | OF | 131 | 126 | 247 | 14 | 8 | 4 |
| 1985 | OF | 126 | 124 | 203 | 10 | 5 | 0 |
| 1986 | OF | 87 | 84 | 158 | 4 | 5 | 1 |
| 1987 | OF | 127 | 114 | 193 | 7 | 7 | 2 |
| 1988 | OF | 134 | 131 | 265 | 4 | 4 | 1 |
| 1989 | OF | 26 | 25 | 54 | 2 | 1 | 0 |
| 1990 | OF | 79 | 74 | 118 | 0 | 2 | 0 |
Team codes are the source codes (e.g. NYN for the New York Mets, BS1 for the 1875 Boston club). OPS+ is league-season normalized, not park-adjusted; unrecorded source values (such as RBI in the earliest recorded seasons) are absent, never zero-filled.
Jeffrey Leonard won: NLCS MVP 1987 (NL).
MVP, Cy Young and Rookie of the Year voting history (3 ballot finishes, 0 wins). Full year pages: 1984, 1983, 1979.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1979 | Rookie of the Year | NL | 2 | 3 / 24 | 3 |
| 1983 | Most Valuable Player | NL | 20 | 2 / 336 | 0 |
| 1984 | Most Valuable Player | NL | 22 | 1 / 336 | 0 |
Every career total and season line is computed from the SABR / Sean Lahman baseball database (2025 edition, CC BY-SA 3.0), the same source behind our historical position leaderboards. Rate stats use league-season normalization only (OPS+ and ERA+ as marked, never park-adjusted); unrecorded early-era values stay absent rather than being invented. Career totals sum only what the source records.
Award winners and MVP / Cy Young / Rookie of the Year voting history come from the same database; the year pages live under MLB award voting history. Official transactions (2011 to the current season) come from the MLB StatsAPI feed on our transactions archive.