Masato Yoshii

Pitcher · Career Stats, Bio & Records (1998-2002)

Masato Yoshii was a pitcher who played in Major League Baseball from 1998 to 2002 for the New York Mets, the Colorado Rockies, and the Montreal Expos, a span of 5 seasons. Across 162 career appearances, he went 32-47 with a 4.62 ERA and 447 strikeouts. He also batted .123 with 1 home runs.

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

W–L 32–47
ERA 4.62
WHIP 1.36
SO 447
Pitcher PIV -4989.0
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'2" / 210 lb
Born
4/20/1965 in Osaka, Osaka, Japan
MLB Debut
1998-04-05
Last Game
2002-09-11
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Career Pitching Statistics

Masato Yoshii — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
32 47 162 118 3 0 0 757.3 805 389 112 222 447 4.62 -4989.0

Career ERA 4.62 vs. league average 4.52 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Masato Yoshii — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1998 NYN NL 6 8 29 29 1 0 0 171.7 166 75 53 117 3.93 4.43 (+11%) -178.1
1999 NYN NL 12 8 31 29 1 0 0 174.0 168 85 58 105 4.40 4.71 (+7%) -826.0
2000 COL NL 6 15 29 29 0 0 0 167.3 201 109 53 88 5.86 4.77 (-23%) -3283.7
2001 MON NL 4 7 42 11 0 0 0 113.0 127 60 26 63 4.78 4.42 (-8%) -1159.3
2002 MON NL 4 9 31 20 1 0 0 131.3 143 60 32 74 4.11 4.28 (+4%) 457.9
Career · 5 seasons 32 47 162 118 3 0 0 757.1 805 389 222 447 4.62 — -4,989

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

Masato Yoshii — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
162 204 10 25 3 0 1 13 1 9 76 .123 .164 .152 .316 -1,466

Career AVG .123 vs. league average .267 across their career seasons — 54.0% below league average.

Career OBP .164 vs. league average .338 across their career seasons — 51.6% below league average.

Career SLG .152 vs. league average .427 across their career seasons — 64.4% below league average.

Career OPS .316 vs. league average .765 across their career seasons — 58.7% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Masato Yoshii — Season-by-Season Batting
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1998 NYN NL 29 48 3 3 1 0 0 3 0 3 27 .062 — — — — -586.8
1999 NYN NL 31 55 1 9 0 0 0 2 0 0 16 .164 .271 (-40%) .344 (-53%) .433 (-62%) .778 (-58%) -536.6
2000 COL NL 29 50 4 9 1 0 1 8 1 2 13 .180 .270 (-33%) .344 (-39%) .437 (-41%) .782 (-40%) -342.2
2001 MON NL 42 16 0 2 0 0 0 0 0 1 7 .125 — — — — 0.0
2002 MON NL 31 35 2 2 1 0 0 0 0 3 13 .057 — — — — 0.0
Career · 5 seasons 162 204 10 25 3 0 1 13 1 9 76 .123 — — — — -1,466

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.

Postseason Statistics

Playoff Career Batting

Masato Yoshii — Playoff Career Batting
G AB R H 2B 3B HR RBI BB SO AVG
3 5 0 0 0 0 0 0 0 2 .000

Playoff Batting by Year

Masato Yoshii — Playoff Batting by Year
Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1999 NLCS NYN 2 3 0 0 0 0 0 0 0 1 .000
1999 NLDS2 NYN 1 2 0 0 0 0 0 0 0 1 .000

Playoff Career Pitching

Masato Yoshii — Playoff Career Pitching
W L G GS SV IP H ER BB SO ERA
0 1 3 3 0 13.0 15 8 3 7 5.54

Playoff Pitching by Year

Masato Yoshii — Playoff Pitching by Year
Year Round Team W L G GS SV IP H ER BB SO ERA
1999 NLCS NYN 0 1 2 2 0 7.7 9 4 3 4 4.70
1999 NLDS2 NYN 0 0 1 1 0 5.3 6 4 0 3 6.75

Game Log & Splits

View full game log (324 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Masato Yoshii — Batting — Home / Away
SplitGABRHHRRBIAVG
Home739671519.156
Away8910831004.093

Pitching — Home / Away

Masato Yoshii — Pitching — Home / Away
SplitGIPHERBBSOERA
Home73348.03711731052114.47
Away89409.14342161172364.75

Last 10 Games — Batting

Masato Yoshii — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
2002-09-11 WSNCHCL 100000001
2002-09-06 WSNATLL 000000000
2002-09-01 WSNATLL 100000000
2002-08-27 WSNPHIL 200000001
2002-08-21 WSNCOLW 200000001
2002-08-16 WSNSDPW 201100000
2002-08-11 WSNMILL 200000001
2002-08-06 WSNSTLW 400000001
2002-07-31 WSNAZL 200000002
2002-07-25 WSNMIAL 201000010

Last 10 Games — Pitching

Masato Yoshii — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
2002-09-11 WSNCHC L 5.0664142
2002-09-06 WSNATL L 1.2755000
2002-09-01 WSNATL L 6.0833320
2002-08-27 WSNPHI L 5.1832131
2002-08-21 WSNCOL W 5.0311130
2002-08-16 WSNSDP — 5.0966131
2002-08-11 WSNMIL L 6.0533042
2002-08-06 WSNSTL W 9.0711040
2002-07-31 WSNAZ L 7.0533231
2002-07-25 WSNMIA — 7.2822040

Fielding Statistics

Career Fielding Totals by Position

Masato Yoshii — Career Fielding Totals by Position
Position G GS PO A E DP
P 162 118 51 87 6 9

Season-by-Season Fielding

Masato Yoshii — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1998 NYN P 29 29 14 20 3 2
1999 NYN P 31 29 7 10 0 1
2000 COL P 29 29 16 20 0 2
2001 MON P 42 11 5 18 3 1
2002 MON P 31 20 9 19 0 3

Career Games by Position

Position Diamond

Circle size = games played at each position.

Masato Yoshii — Career Games by Position
Position Games
Pitcher 162

Salary History

Masato Yoshii — Salary History
Year Team League Salary
2002 MON NL $300,000
2000 COL NL $3,000,000
1999 NYN NL $2,000,000
1998 NYN NL $1,075,000
Total Career Earnings $6,375,000

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Masato Yoshii (highlighted) compared to peers across the same era.

  1. 98
    Jeff D'Amico
    45-52, 4.61 ERA
  2. 81
    Carlos Perez
    40-53, 4.44 ERA
  3. 71
    Jeff Karstens
    26-40, 4.44 ERA
  4. 70
    Jimmy Jones
    43-39, 4.46 ERA
  5. 64
    Eric Stults
    36-48, 4.24 ERA
  6. 62
    Todd Ritchie
    43-54, 4.71 ERA

Frequently Asked Questions about Masato Yoshii

What years did Masato Yoshii play?
Masato Yoshii played in Major League Baseball from 1998 to 2002.
Was Masato Yoshii a pitcher?
Yes. Masato Yoshii pitched in the major leagues, recording 32 wins and 447 strikeouts.
How many home runs did Masato Yoshii hit?
Masato Yoshii hit 1 career home runs with 25 hits.
What was Masato Yoshii's career batting average?
Masato Yoshii batted .123 over his career, with 25 hits in 204 at bats.
How many RBI did Masato Yoshii have?
Masato Yoshii drove in 13 runs in his career.
What was Masato Yoshii's career ERA?
Masato Yoshii finished with a 4.62 career ERA, going 32-47 with 447 strikeouts.