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Shigetoshi Hasegawa played 9 major-league seasons (1997-2005) as a P (517). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 1 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | 32 | ANA | 66 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | -100 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 29 | ANA | 50 | 7 | 3 | 7 | 0 | 116.2 | 83 | 46 | 3.93 | 116 |
| 1998 | 30 | ANA | 61 | 0 | 8 | 3 | 5 | 97.1 | 73 | 32 | 3.14 | 148 |
| 1999 | 31 | ANA | 64 | 1 | 4 | 6 | 2 | 77 | 44 | 34 | 4.91 | 99 |
| 2000 | 32 | ANA | 66 | 0 | 10 | 5 | 9 | 95.2 | 59 | 38 | 3.48 | 141 |
| 2001 | 33 | ANA | 46 | 0 | 5 | 6 | 0 | 55.2 | 41 | 20 | 4.04 | 111 |
| 2002 | 34 | SEA | 53 | 0 | 8 | 3 | 1 | 70.1 | 39 | 30 | 3.20 | 139 |
| 2003 | 35 | SEA | 63 | 0 | 2 | 4 | 16 | 73 | 32 | 18 | 1.48 | 306 |
| 2004 | 36 | SEA | 68 | 0 | 4 | 6 | 0 | 68 | 46 | 31 | 5.16 | 90 |
| 2005 | 37 | SEA | 46 | 0 | 1 | 3 | 0 | 66.2 | 30 | 16 | 4.18 | 104 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1997 | P | 50 | 7 | 8 | 21 | 1 | 3 |
| 1998 | P | 61 | 0 | 3 | 16 | 0 | 2 |
| 1999 | P | 64 | 1 | 5 | 14 | 0 | 1 |
| 2000 | P | 66 | 0 | 6 | 10 | 0 | 1 |
| 2001 | P | 46 | 0 | 3 | 6 | 1 | 1 |
| 2002 | P | 53 | 0 | 5 | 10 | 0 | 3 |
| 2003 | P | 63 | 0 | 10 | 12 | 0 | 2 |
| 2004 | P | 68 | 0 | 6 | 8 | 1 | 0 |
| 2005 | P | 46 | 0 | 7 | 12 | 0 | 1 |
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.
Shigetoshi Hasegawa ranks on 2 all-time single-season position leaderboards (1871-2025, league-season-normalized OPS+ / ERA+).
| Rank | Board | Year | Stat |
|---|---|---|---|
| #42 | closers | 2003 | 306 ERA+ |
| #61 | relief pitchers | 2003 | 306 ERA+ |
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.