Yoshihisa Hirano

Pitcher · Career Stats, Bio & Records (2018-2020)

Yoshihisa Hirano was a pitcher who played in Major League Baseball from 2018 to 2020 for the Arizona Diamondbacks and the Seattle Mariners, a span of 3 seasons. Across 150 career appearances, he went 9-9 with a 3.69 ERA and 131 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 1005.5.

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

W–L 9–9
ERA 3.69
WHIP 1.30
SO 131
Pitcher PIV 1005.5
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'1" / 185 lb
Born
3/8/1984 in Uji, Kyoto, Japan
MLB Debut
2018-03-29
Last Game
2020-09-27

Career Pitching Statistics

Yoshihisa Hirano — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
9 9 150 0 0 0 8 131.2 118 54 15 53 131 3.69 1005.5

Career ERA 3.69 vs. league average 4.35 across their career seasons — 15.1% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

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

Yoshihisa Hirano — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
150 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

Career AVG .000 vs. league average .249 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .321 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .422 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .742 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

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.

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

Batting — Home / Away

Yoshihisa Hirano — Batting — Home / Away
SplitGABRHHRRBIAVG
Home7410000.000
Away7600000—

Pitching — Home / Away

Yoshihisa Hirano — Pitching — Home / Away
SplitGIPHERBBSOERA
Home7464.2552723693.76
Away7667.0632730623.63

Last 10 Games — Pitching

Yoshihisa Hirano — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
2020-09-27 SEAOAK L 0.1333211
2020-09-23 SEAHOU SV 1.0322110
2020-09-20 SEASDP — 1.0110110
2020-09-19 SEASDP SV 1.0300000
2020-09-14 SEAOAK SV 1.0000010
2020-09-13 SEAAZ — 1.0000010
2020-09-12 SEAAZ — 1.0100000
2020-09-06 SEATEX SV 1.0111031
2020-09-04 SEATEX — 1.0322100
2020-08-30 SEALAA — 1.0100110

Fielding Statistics

Career Fielding Totals by Position

Yoshihisa Hirano — Career Fielding Totals by Position
Position G GS PO A E DP
P 150 0 6 18 1 4

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Yoshihisa Hirano — Career Games by Position
Position Games
Pitcher 150

Award Voting History

Yoshihisa Hirano — Award Voting History
Year Award League Finish Points Won Points Max Votes First
2018 Rookie of the Year NL 6th 1.0 150 0

Yoshihisa Hirano: the record in brief

Yoshihisa Hirano played a first major league game on March 29, 2018 and a last one on September 27, 2020. Club by club, the record runs the Arizona Diamondbacks (2018 through 2019) and the Seattle Mariners (2020). Hirano played primarily as a pitcher and threw and hit right-handed. The bio adds a birth date on March 8, 1984, in Uji, Kyoto, Japan and a listed size of 185 pounds on a 6-foot-1 frame.

Across 150 games (0 starts), Hirano recorded 9 wins against 9 losses with a 3.69 ERA. Hirano had 131 strikeouts. That 3.69 ERA compares with a 4.35 league average across the same seasons, 15.1% better. Hirano won 5 games in 2019, the most of any season listed. Among the heaviest workloads, the lowest ERA was 2.44 in 2018, when the league's was 4.15. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Hirano's career adds up to 1,005.5.

Frequently Asked Questions about Yoshihisa Hirano

What years did Yoshihisa Hirano play?
Yoshihisa Hirano played in Major League Baseball from 2018 to 2020.
Was Yoshihisa Hirano a pitcher?
Yes. Yoshihisa Hirano pitched in the major leagues, recording 9 wins and 131 strikeouts.
How many home runs did Yoshihisa Hirano hit?
Yoshihisa Hirano hit 0 career home runs.
What teams did Yoshihisa Hirano play for?
Yoshihisa Hirano played for 2 teams: the Arizona Diamondbacks (2018–2019) and the Seattle Mariners (2020).
What were Yoshihisa Hirano's career stats?
In 150 games, Yoshihisa Hirano went 9-9 with a 3.69 ERA, 131 strikeouts, 131.2 innings pitched, and 8 saves.
What position did Yoshihisa Hirano play?
Yoshihisa Hirano played primarily as a pitcher, the position where he appeared in the most games.
How tall was Yoshihisa Hirano and how much did he weigh?
Yoshihisa Hirano was listed at 6 feet 1 inch and 185 pounds.
What was Yoshihisa Hirano's career ERA?
Yoshihisa Hirano finished with a 3.69 career ERA, going 9-9 with 131 strikeouts.
How many strikeouts did Yoshihisa Hirano have?
Yoshihisa Hirano recorded 131 career strikeouts.
Is Yoshihisa Hirano in the Hall of Fame?
No. Yoshihisa Hirano has not been inducted into the National Baseball Hall of Fame.