Bill Swift
Pitcher · Career Stats, Bio & Records (1985-1998)
Bill Swift was a pitcher who played in Major League Baseball from 1985 to 1998 for the Seattle Mariners, the San Francisco Giants, and the Colorado Rockies, a span of 14 seasons. Across 403 career appearances, he went 94-78 with a 3.95 ERA, 767 strikeouts, and 27 saves. He also batted .210 with 1 home runs. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 4931.5.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'0" / 170 lb
- MLB Debut
- 1985-06-07
- Last Game
- 1998-09-11
Full name: William Charles Swift
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | SEA | AL | 6 | 10 | 23 | 21 | 0 | 0 | 0 | 120.2 | 131 | 64 | 48 | 55 | 4.77 | 3.89 (-23%) | -177.4 |
| 1986 | SEA | AL | 2 | 9 | 29 | 17 | 1 | 0 | 0 | 115.1 | 148 | 70 | 55 | 55 | 5.46 | 3.97 (-38%) | -60.7 |
| 1988 | SEA | AL | 8 | 12 | 38 | 24 | 6 | 1 | 0 | 174.2 | 199 | 89 | 65 | 47 | 4.59 | 3.73 (-23%) | -2162.7 |
| 1989 | SEA | AL | 7 | 3 | 37 | 16 | 0 | 0 | 1 | 130.0 | 140 | 64 | 38 | 45 | 4.43 | 3.71 (-19%) | 55.7 |
| 1990 | SEA | AL | 6 | 4 | 55 | 8 | 0 | 0 | 6 | 128.0 | 135 | 34 | 21 | 42 | 2.39 | 3.86 (+38%) | 2124.1 |
| 1991 | SEA | AL | 1 | 2 | 71 | 0 | 0 | 0 | 17 | 90.1 | 74 | 20 | 26 | 48 | 1.99 | 3.91 (+49%) | 1816.8 |
| 1992 | SFN | NL | 10 | 4 | 30 | 22 | 3 | 2 | 1 | 164.2 | 144 | 38 | 43 | 77 | 2.08 | 3.75 (+45%) | 2493.2 |
| 1993 | SFN | NL | 21 | 8 | 34 | 34 | 1 | 1 | 0 | 232.2 | 195 | 73 | 55 | 157 | 2.82 | 4.19 (+33%) | 4629.7 |
| 1994 | SFN | NL | 8 | 7 | 17 | 17 | 0 | 0 | 0 | 109.1 | 109 | 41 | 31 | 62 | 3.38 | 4.51 (+25%) | 1251.2 |
| 1995 | COL | NL | 9 | 3 | 19 | 19 | 0 | 0 | 0 | 105.2 | 122 | 58 | 43 | 68 | 4.94 | 4.45 (-11%) | -239.6 |
| 1996 | COL | NL | 1 | 1 | 7 | 3 | 0 | 0 | 2 | 18.1 | 23 | 11 | 5 | 5 | 5.40 | 4.61 (-17%) | 210.5 |
| 1997 | COL | NL | 4 | 6 | 14 | 13 | 0 | 0 | 0 | 65.1 | 85 | 46 | 26 | 29 | 6.34 | 4.39 (-44%) | -2133.9 |
| 1998 | SEA | AL | 11 | 9 | 29 | 26 | 0 | 0 | 0 | 144.2 | 183 | 94 | 51 | 77 | 5.85 | 4.43 (-32%) | -2875.5 |
| Career · 13 seasons | 94 | 78 | 403 | 220 | 11 | 4 | 27 | 1,599.2 | 1,688 | 702 | 507 | 767 | 3.95 | — | 4,931 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 410 | 229 | 27 | 48 | 9 | 0 | 1 | 15 | 1 | 15 | 54 | .210 | .260 | .262 | .522 | -629 |
Career AVG .210 vs. league average .261 across their career seasons — 19.8% below league average.
Career OBP .260 vs. league average .329 across their career seasons — 21.0% below league average.
Career SLG .262 vs. league average .400 across their career seasons — 34.5% below league average.
Career OPS .522 vs. league average .729 across their career seasons — 28.4% below league average.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | SEA | AL | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1986 | SEA | AL | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1988 | SEA | AL | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1989 | SEA | AL | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1990 | SEA | AL | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1991 | SEA | AL | 71 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1992 | SFN | NL | 34 | 51 | 3 | 8 | 3 | 0 | 0 | 3 | 0 | 1 | 18 | .157 | .255 (-39%) | .322 (-46%) | .377 (-43%) | .699 (-44%) | -359.7 |
| 1993 | SFN | NL | 34 | 80 | 12 | 21 | 1 | 0 | 0 | 4 | 0 | 5 | 19 | .263 | .265 (-1%) | .332 (-9%) | .403 (-32%) | .735 (-22%) | -269.7 |
| 1994 | SFN | NL | 18 | 32 | 5 | 6 | 3 | 0 | 0 | 2 | 0 | 3 | 5 | .188 | — | — | — | — | 0.0 |
| 1995 | COL | NL | 19 | 36 | 5 | 7 | 1 | 0 | 1 | 4 | 1 | 2 | 5 | .194 | — | — | — | — | 0.0 |
| 1996 | COL | NL | 7 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .333 | — | — | — | — | 0.0 |
| 1997 | COL | NL | 16 | 19 | 2 | 4 | 1 | 0 | 0 | 2 | 0 | 4 | 4 | .211 | — | — | — | — | 0.0 |
| 1998 | SEA | AL | 29 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | — | — | — | — | 0.0 |
| Career · 13 seasons | 410 | 229 | 27 | 48 | 9 | 0 | 1 | 15 | 1 | 15 | 54 | .210 | — | — | — | — | -629 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (813 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 205 | 105 | 12 | 27 | 1 | 10 | .257 |
| Away | 205 | 124 | 15 | 21 | 0 | 5 | .169 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 200 | 822.1 | 853 | 339 | 261 | 385 | 3.71 |
| Away | 203 | 777.1 | 835 | 363 | 246 | 382 | 4.20 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1998-09-11 | SEA | KCR | L | 1.0 | 6 | 5 | 5 | 1 | 0 | 1 |
| 1998-09-07 | SEA | BAL | — | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1998-09-04 | SEA | BAL | — | 2.0 | 3 | 2 | 2 | 1 | 1 | 0 |
| 1998-08-30 | SEA | NYY | W | 6.2 | 5 | 2 | 2 | 2 | 2 | 1 |
| 1998-08-25 | SEA | CLE | L | 4.0 | 7 | 6 | 6 | 5 | 0 | 1 |
| 1998-08-20 | SEA | TOR | L | 6.0 | 12 | 7 | 7 | 2 | 2 | 1 |
| 1998-08-15 | SEA | CHW | W | 5.0 | 5 | 2 | 1 | 2 | 4 | 0 |
| 1998-08-09 | SEA | DET | — | 5.0 | 6 | 3 | 3 | 2 | 5 | 0 |
| 1998-08-04 | SEA | BOS | — | 5.2 | 4 | 1 | 1 | 3 | 6 | 0 |
| 1998-07-30 | SEA | CLE | — | 5.0 | 7 | 3 | 3 | 2 | 1 | 1 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1985 | SEA | P | 23 | 21 | 10 | 18 | 1 | 1 |
| 1986 | SEA | P | 29 | 17 | 13 | 21 | 1 | 1 |
| 1988 | SEA | P | 38 | 24 | 19 | 33 | 4 | 3 |
| 1989 | SEA | P | 37 | 16 | 18 | 39 | 2 | 5 |
| 1990 | SEA | P | 55 | 8 | 10 | 21 | 2 | 1 |
| 1991 | SEA | P | 71 | 0 | 6 | 25 | 3 | 4 |
| 1992 | SFN | P | 30 | 22 | 18 | 33 | 1 | 3 |
| 1993 | SFN | P | 34 | 34 | 17 | 44 | 6 | 3 |
| 1994 | SFN | P | 17 | 17 | 8 | 13 | 2 | 1 |
| 1995 | COL | P | 19 | 19 | 9 | 28 | 1 | 2 |
| 1996 | COL | P | 7 | 3 | 2 | 4 | 0 | 0 |
| 1997 | COL | P | 14 | 13 | 4 | 22 | 1 | 2 |
| 1998 | SEA | P | 29 | 26 | 17 | 29 | 4 | 3 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 403 |
Awards & Honors
| Year | Award | Notes |
|---|---|---|
| 1993 | Pitcher of the Month | July |
| 1992 | Pitcher of the Month | April |
Salary History
| Year | Team | League | Salary |
|---|---|---|---|
| 1998 | SEA | AL | $425,000 |
| 1997 | COL | NL | $4,608,333 |
| 1996 | COL | NL | $4,608,333 |
| 1995 | COL | NL | $3,933,333 |
| 1994 | SFN | NL | $2,316,667 |
| 1993 | SFN | NL | $3,316,667 |
| 1992 | SFN | NL | $2,316,667 |
| 1991 | SEA | AL | $950,000 |
| 1990 | SEA | AL | $370,000 |
| 1989 | SEA | AL | $195,000 |
| 1988 | SEA | AL | $77,500 |
| 1986 | SEA | AL | $75,000 |
| Total Career Earnings | $23,192,500 | ||
College History
| School Name | City | State | Years Attended |
|---|---|---|---|
| University of Maine at Orono | Orono | ME | 1981, 1982, 1983, 1984 |
Award Voting History
| Year | Award | League | Finish | Points Won | Points Max | Votes First |
|---|---|---|---|---|---|---|
| 1993 | Cy Young Award | NL | 2nd | 61.0 | 140 | 2 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Bill Swift (highlighted) compared to peers across the same era.
Bill Swift: the record in brief
Bill Swift's major league career runs from a debut on June 7, 1985 to a final game on September 11, 1998. The season rows list, in order, the Seattle Mariners (1985 to 1998), the San Francisco Giants (1992 through 1994), and the Colorado Rockies (1995 through 1997). Swift played primarily as a pitcher and threw and hit right-handed. The bio adds a birth date on October 27, 1961, in Portland, ME, USA and a listed size of 6'0" and 170 pounds. Swift's full given name, per the bio, is William Charles Swift.
Across 403 games (220 starts), Swift recorded 94 wins against 78 losses with a 3.95 ERA. The totals include 767 strikeouts, 11 complete games, and 27 saves. Swift's 3.95 ERA was close to the 4.11 league figure for those seasons. 1993 brought Swift a season-high 21 wins. Swift saved 17 games in 1991, the season high. Among the heaviest workloads, the lowest ERA was 2.08 in 1992, when the league's was 3.75.
Frequently Asked Questions about Bill Swift
- What years did Bill Swift play?
- Bill Swift played in Major League Baseball from 1985 to 1998.
- Was Bill Swift a pitcher?
- Yes. Bill Swift pitched in the major leagues, recording 94 wins and 767 strikeouts.
- How many home runs did Bill Swift hit?
- Bill Swift hit 1 career home runs with 48 hits.
- What was Bill Swift's career batting average?
- Bill Swift batted .210 over his career, with 48 hits in 229 at bats.
- How many RBI did Bill Swift have?
- Bill Swift drove in 15 runs in his career.
- What was Bill Swift's career ERA?
- Bill Swift finished with a 3.95 career ERA, going 94-78 with 767 strikeouts.