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 was Yoshihisa Hirano's career batting average?

Yoshihisa Hirano batted .000 over his career, with 0 hits in 1 at bats.

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.

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 September 9, 2026

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

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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	131.7	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.

Yoshihisa Hirano — Season-by-Season Pitching
Year	Team	Lg	W	L	G	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2018	ARI	NL	4	3	75	3	66.3	49	18	23	59	2.44	4.15 (+41%)	774.2
2019	ARI	NL	5	5	62	1	53.0	51	28	22	61	4.75	4.51 (-6%)	617.2
2020	SEA	AL	0	1	13	4	12.3	18	8	8	11	5.84	4.45 (-31%)	-385.9
Career · 3 seasons			9	9	150	8	131.2	118	54	53	131	3.69	—	1,005

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.

Yoshihisa Hirano — Season-by-Season Batting
Year	Team	Lg	G	AB	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2018	ARI	NL	75	1	.000	—	—	—	—	0.0
2019	ARI	NL	62	0	.000	—	—	—	—	0.0
2020	SEA	AL	13	0	.000	—	—	—	—	0.0
Career · 3 seasons			150	1	.000	—	—	—	—	0

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 (300 games) →

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

Batting — Home / Away

Yoshihisa Hirano — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	74	1	0	0	0	0	.000
Away	76	0	0	0	0	0	—

Pitching — Home / Away

Yoshihisa Hirano — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	74	64.2	55	27	23	69	3.76
Away	76	67.0	63	27	30	62	3.63

Last 10 Games — Pitching

Yoshihisa Hirano — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2020-09-27	SEA	OAK	L	0.1	3	3	3	2	1	1
2020-09-23	SEA	HOU	SV	1.0	3	2	2	1	1	0
2020-09-20	SEA	SDP	—	1.0	1	1	0	1	1	0
2020-09-19	SEA	SDP	SV	1.0	3	0	0	0	0	0
2020-09-14	SEA	OAK	SV	1.0	0	0	0	0	1	0
2020-09-13	SEA	AZ	—	1.0	0	0	0	0	1	0
2020-09-12	SEA	AZ	—	1.0	1	0	0	0	0	0
2020-09-06	SEA	TEX	SV	1.0	1	1	1	0	3	1
2020-09-04	SEA	TEX	—	1.0	3	2	2	1	0	0
2020-08-30	SEA	LAA	—	1.0	1	0	0	1	1	0

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

Yoshihisa Hirano — Season-by-Season Fielding
Year	Team	Pos	G	PO	A	E	DP
2018	ARI	P	75	3	8	0	2
2019	ARI	P	62	3	7	1	1
2020	SEA	P	13	0	3	0	1

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

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 was Yoshihisa Hirano's career batting average?: Yoshihisa Hirano batted .000 over his career, with 0 hits in 1 at bats.
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.