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Bob Welch played 17 major-league seasons (1978-1994) as a P (506), OF (1). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 11 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 22 | LAN | 23 | 29 | 3 | 5 | 0 | 1 | 0 | 0 | 7 | .172 | .379 | 10 |
| 1979 | 23 | LAN | 25 | 19 | 1 | 3 | 0 | 3 | 0 | 0 | 6 | .158 | .358 | 3 |
| 1980 | 24 | LAN | 34 | 70 | 1 | 17 | 0 | 3 | 0 | 1 | 13 | .243 | .539 | 55 |
| 1981 | 25 | LAN | 23 | 45 | 3 | 10 | 0 | 2 | 0 | 1 | 16 | .222 | .506 | 48 |
| 1982 | 26 | LAN | 38 | 85 | 5 | 12 | 0 | 3 | 0 | 3 | 32 | .141 | .320 | -7 |
| 1983 | 27 | LAN | 31 | 73 | 2 | 7 | 1 | 2 | 0 | 1 | 22 | .096 | .271 | -23 |
| 1984 | 28 | LAN | 32 | 51 | 0 | 4 | 0 | 3 | 0 | 2 | 15 | .078 | .192 | -43 |
| 1985 | 29 | LAN | 25 | 50 | 4 | 9 | 0 | 4 | 0 | 3 | 13 | .180 | .426 | 25 |
| 1986 | 30 | LAN | 35 | 76 | 2 | 8 | 1 | 4 | 0 | 4 | 23 | .105 | .305 | -12 |
| 1987 | 31 | LAN | 38 | 83 | 5 | 13 | 0 | 5 | 0 | 7 | 24 | .157 | .379 | 6 |
| 1994 | 38 | OAK | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | -100 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 22 | LAN | 23 | 13 | 7 | 4 | 3 | 111.1 | 66 | 26 | 2.02 | 177 |
| 1979 | 23 | LAN | 25 | 12 | 5 | 6 | 5 | 81.1 | 64 | 32 | 3.98 | 94 |
| 1980 | 24 | LAN | 32 | 32 | 14 | 9 | 0 | 213.2 | 141 | 79 | 3.29 | 110 |
| 1981 | 25 | LAN | 23 | 23 | 9 | 5 | 0 | 141.1 | 88 | 41 | 3.44 | 101 |
| 1982 | 26 | LAN | 36 | 36 | 16 | 11 | 0 | 235.2 | 176 | 81 | 3.36 | 107 |
| 1983 | 27 | LAN | 31 | 31 | 15 | 12 | 0 | 204 | 156 | 72 | 2.65 | 137 |
| 1984 | 28 | LAN | 31 | 29 | 13 | 13 | 0 | 178.2 | 126 | 58 | 3.78 | 95 |
| 1985 | 29 | LAN | 23 | 23 | 14 | 4 | 0 | 167.1 | 96 | 35 | 2.31 | 155 |
| 1986 | 30 | LAN | 33 | 33 | 7 | 13 | 0 | 235.2 | 183 | 55 | 3.28 | 113 |
| 1987 | 31 | LAN | 35 | 35 | 15 | 9 | 0 | 251.2 | 196 | 86 | 3.22 | 127 |
| 1988 | 32 | OAK | 36 | 36 | 17 | 9 | 0 | 244.2 | 158 | 81 | 3.64 | 109 |
| 1989 | 33 | OAK | 33 | 33 | 17 | 8 | 0 | 209.2 | 137 | 78 | 3.00 | 129 |
| 1990 | 34 | OAK | 35 | 35 | 27 | 6 | 0 | 238 | 127 | 77 | 2.95 | 132 |
| 1991 | 35 | OAK | 35 | 35 | 12 | 13 | 0 | 220 | 101 | 91 | 4.58 | 89 |
| 1992 | 36 | OAK | 20 | 20 | 11 | 7 | 0 | 123.2 | 47 | 43 | 3.27 | 120 |
| 1993 | 37 | OAK | 30 | 28 | 9 | 11 | 0 | 166.2 | 63 | 56 | 5.29 | 82 |
| 1994 | 38 | OAK | 25 | 8 | 3 | 6 | 0 | 68.2 | 44 | 43 | 7.08 | 68 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1978 | P | 23 | 13 | 6 | 12 | 1 | 0 |
| 1979 | P | 25 | 12 | 2 | 8 | 3 | 3 |
| 1980 | P | 32 | 32 | 15 | 26 | 1 | 3 |
| 1981 | P | 23 | 23 | 4 | 18 | 0 | 1 |
| 1982 | P | 36 | 36 | 19 | 26 | 2 | 0 |
| 1982 | OF | 1 | 0 | 0 | 0 | 0 | 0 |
| 1983 | P | 31 | 31 | 14 | 27 | 3 | 1 |
| 1984 | P | 31 | 29 | 20 | 28 | 2 | 5 |
| 1985 | P | 23 | 23 | 15 | 27 | 3 | 1 |
| 1986 | P | 33 | 33 | 21 | 26 | 2 | 2 |
| 1987 | P | 35 | 35 | 25 | 38 | 0 | 3 |
| 1988 | P | 36 | 36 | 16 | 32 | 1 | 2 |
| 1989 | P | 33 | 33 | 26 | 21 | 4 | 3 |
| 1990 | P | 35 | 35 | 20 | 31 | 0 | 2 |
| 1991 | P | 35 | 35 | 15 | 29 | 2 | 1 |
| 1992 | P | 20 | 20 | 5 | 13 | 1 | 1 |
| 1993 | P | 30 | 28 | 16 | 26 | 0 | 2 |
| 1994 | P | 25 | 8 | 4 | 6 | 1 | 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.
Bob Welch won: Cy Young Award 1990 (AL), TSN All-Star 1990 (AL).
MVP, Cy Young and Rookie of the Year voting history (4 ballot finishes, 1 win). Full year pages: 1990, 1987, 1983.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1983 | Cy Young Award | NL | 8 | 2 / 120 | 0 |
| 1987 | Cy Young Award | NL | 8 | 3 / 120 | 0 |
| 1990 | Cy Young Award (winner) | AL | 1 | 107 / 140 | 15 |
| 1990 | Most Valuable Player | AL | 9 | 54 / 392 | 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.