What years did Onan Masaoka play?

Onan Masaoka played in Major League Baseball from 1999 to 2000.

Was Onan Masaoka a pitcher?

Yes. Onan Masaoka pitched in the major leagues, recording 3 wins and 88 strikeouts.

How many home runs did Onan Masaoka hit?

Onan Masaoka hit 0 career home runs.

Onan Masaoka

Pitcher · Career Stats, Bio & Records (1999-2000)

W–L 3–5

ERA 4.23

WHIP 1.49

SO 88

Pitcher PIV 6.4

Position: Pitcher
Bats / Throws: R / L
Height / Weight: 6'0" / 188 lb
Born: 10/27/1977 in Hilo, HI, USA
MLB Debut: 1999-04-05
Last Game: 2000-09-30

Full name: Onan Kainoa Satoshi Masaoka

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
3	5	83	0	0	0	1	93.7	78	44	10	62	88	4.23	6.4

Career ERA 4.23 vs. league average 4.74 across their career seasons — 10.8% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	W	L	G	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1999	LAN	NL	2	4	54	1	66.7	55	32	47	61	4.32	4.71 (+8%)	-600.8
2000	LAN	NL	1	1	29	0	27.0	23	12	15	27	4.00	4.77 (+16%)	607.2
Career · 2 seasons			3	5	83	1	93.2	78	44	62	88	4.23	—	6

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
83	4	0	0	0	0	0	0	0	0	2	.000	.000	.000	.000	0

Career AVG .000 vs. league average .271 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .345 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .436 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .780 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	G	AB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1999	LAN	NL	54	4	2	.000	—	—	—	—	0.0
2000	LAN	NL	29	0	0	.000	—	—	—	—	0.0
Career · 2 seasons			83	4	2	.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 (166 games) →

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

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	37	3	0	0	0	0	.000
Away	46	1	0	0	0	0	.000

Pitching — Home / Away

Split	G	IP	H	ER	BB	SO	ERA
Home	37	45.0	36	21	28	38	4.20
Away	46	48.2	42	23	34	50	4.25

Last 10 Games — Pitching

Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO
2000-09-30	LAD	SDP	—	2.0	2	1	1	1	2
2000-09-28	LAD	SFG	—	0.1	0	0	0	0	0
2000-09-22	LAD	SDP	—	0.1	0	0	0	1	1
2000-09-14	LAD	COL	—	1.0	0	0	0	0	2
2000-09-12	LAD	AZ	L	1.0	0	1	1	0	1
2000-09-09	LAD	COL	—	0.2	1	0	0	0	1
2000-09-08	LAD	COL	—	1.0	1	0	0	0	2
2000-09-05	LAD	PIT	—	1.0	0	0	0	1	0
2000-09-04	LAD	PIT	—	0.0	2	4	4	2	0
2000-07-27	LAD	COL	W	0.2	0	0	0	0	0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	83	0	2	6	1	0

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1999	LAN	P	54	0	1	4	1	0
2000	LAN	P	29	0	1	2	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
Pitcher	83

Salary History

Year	Team	League	Salary
2000	LAN	NL	$230,000
1999	LAN	NL	$200,000
Total Career Earnings			$430,000

Frequently Asked Questions about Onan Masaoka

What years did Onan Masaoka play?: Onan Masaoka played in Major League Baseball from 1999 to 2000.
Was Onan Masaoka a pitcher?: Yes. Onan Masaoka pitched in the major leagues, recording 3 wins and 88 strikeouts.
How many home runs did Onan Masaoka hit?: Onan Masaoka hit 0 career home runs.