Masaaki Koyama

Masaaki Koyama
Born: July 28, 1934
Takasago, Hyogo JP
Primary Position: Pitcher
All Position(s) Played: 1B, 2B, OF, SS
Bats: Right
Throws: Right
Height: 6'0"
Weight: 160
Career: 1953-1973

Masaaki Koyama compiled a career record of 320 wins and 232 losses and a 2.45 ERA in his 856-game pitching career with the Osaka Tigers, Hanshin Tigers, Tokyo Orions, Lotte Orions and Taiyo Whales. He began playing during the 1953 season and last took the field during the 1973 campaign.

Osaka Tigers

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Pitching:

Year	Level	Lg	Team	W	L	W%	ERA	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF
1953	Foreign Major	JPCL	Osaka Tigers	5	1	.833	3.41	16	10	3	3	1		60.7	60	24	23	4	17		22	0	0	0	253
1954	Foreign Major	JPCL	Osaka Tigers	11	7	.611	3.04	40	23	6	5	1		166.0	148	62	56	15	44		75	1	0	1	667
1955	Foreign Major	JPCL	Osaka Tigers	7	4	.636	2.27	27	14	8	5	1		131.0	110	37	33	4	34	7	75	0	0	1	515
1956	Foreign Major	JPCL	Osaka Tigers	17	13	.567	1.67	59	14	39	8	4		232.3	134	55	43	8	40	7	220	4	1	3	858
1957	Foreign Major	JPCL	Osaka Tigers	15	17	.469	2.38	52	26	25	14	5		250.0	192	76	66	9	37	4	201	7	0	0	968
1958	Foreign Major	JPCL	Osaka Tigers	24	12	.667	1.69	53	34	16	24	4		313.3	226	77	59	15	49	7	252	2	1	2	1193
1959	Foreign Major	JPCL	Osaka Tigers	20	16	.556	1.86	52	37	15	22	8		344.0	246	82	71	24	62	3	254	5	0	2	1310
1960	Foreign Major	JPCL	Osaka Tigers	25	19	.568	2.36	60	42	14	23	7		362.0	287	106	95	20	63	2	273	11	0	2	1423
1961	Foreign Major	JPCL	Hanshin Tigers	11	22	.333	2.41	46	37	6	18	4		291.3	222	91	78	20	65	8	204	4	0	5	1144
1962	Foreign Major	JPCL	Hanshin Tigers	27	11	.711	1.66	47	40	6	26	13		352.7	268	77	65	19	59	9	270	7	0	1	1354
1963	Foreign Major	JPCL	Hanshin Tigers	14	14	.500	3.59	34	33	0	12	0		233.0	218	108	93	27	66	6	98	4	0	0	971
1964	Foreign Major	JPPL	Tokyo Orions	30	12	.714	2.47	53	42	7	25	3		361.3	300	112	99	26	87	7	193	6	1	1	1439
1965	Foreign Major	JPPL	Tokyo Orions	20	20	.500	2.35	50	39	10	22	4		322.3	270	102	84	30	81	6	171	9	0	3	1303
1966	Foreign Major	JPPL	Tokyo Orions	20	13	.606	2.07	49	34	15	23	7		304.0	266	85	70	24	38	0	187	8	0	2	1191
1967	Foreign Major	JPPL	Tokyo Orions	13	11	.542	3.24	44	30	6	9	1		225.3	223	101	81	26	55	6	126	7	0	2	949
1968	Foreign Major	JPPL	Tokyo Orions	4	4	.500	3.31	25	12	12	0	0		87.0	82	38	32	11	27	2	53	4	0	0	372
1969	Foreign Major	JPPL	Lotte Orions	11	7	.611	2.96	33	29	2	8	2		182.3	173	70	60	15	31	4	136	5	0	1	747
1970	Foreign Major	JPPL	Lotte Orions	16	11	.593	2.30	38	29	6	18	4		242.7	199	74	62	19	40	3	141	8	0	2	952
1971	Foreign Major	JPPL	Lotte Orions	17	8	.680	3.24	35	28	6	16	1		211.0	213	92	76	22	42	5	111	5	0	2	877
1972	Foreign Major	JPPL	Lotte Orions	9	6	.600	4.08	28	19	6	7	2		152.3	167	74	69	21	26	3	57	8	0	0	639
1973	Foreign Major	JPCL	Taiyo Whales	4	4	.500	2.54	15	11	2	2	2		74.3	64	24	21	6	15	0	40	4	0	0	298
Totals				320	232	.580	2.45	856	583	210	290	74	0	4899.0	4068	1567	1336	365	978	89	3159	109	3	30	19423

Batting:

Year	Level	Lg	Team	GP	PA	AB	R	H	2B	3B	HR	RBI	SB	CS	BB	SO	BA	OBP	SLG	OPS	TB	DP	HBP	SH	SF	IBB
1953	Foreign Major	JPCL	Osaka Tigers	16	23	20	1	1	0	1	0	1	0	0	0	4	.050	.050	.150	.200	3	0	0	3
1954	Foreign Major	JPCL	Osaka Tigers	40	56	49	0	1	0	0	0	0	0	0	2	9	.020	.059	.020	.079	1	0	0	5	0
1955	Foreign Major	JPCL	Osaka Tigers	27	44	40	2	5	2	0	0	2	0	0	0	7	.125	.125	.175	.300	7	1	0	4	0	0
1956	Foreign Major	JPCL	Osaka Tigers	59	69	66	4	15	3	0	1	6	0	1	2	19	.227	.250	.318	.568	21	0	0	1	0	0
1957	Foreign Major	JPCL	Osaka Tigers	52	79	74	3	14	2	0	0	2	1	0	0	25	.189	.189	.216	.405	16	2	0	5	0	0
1958	Foreign Major	JPCL	Osaka Tigers	53	110	103	6	17	3	0	1	7	0	0	2	25	.165	.181	.223	.404	23	2	0	5	0	0
1959	Foreign Major	JPCL	Osaka Tigers	52	127	122	8	25	3	0	1	6	0	0	2	30	.205	.224	.254	.478	31	1	1	2	0	0
1960	Foreign Major	JPCL	Osaka Tigers	60	133	115	4	16	1	0	0	6	0	0	4	41	.139	.175	.148	.323	17	3	1	13	0	0
1961	Foreign Major	JPCL	Hanshin Tigers	46	100	94	6	17	3	0	2	5	0	0	1	23	.181	.189	.277	.466	26	2	0	5	0	0
1962	Foreign Major	JPCL	Hanshin Tigers	47	126	115	3	14	1	0	0	4	0	0	3	28	.122	.143	.130	.273	15	2	0	7	1	0
1963	Foreign Major	JPCL	Hanshin Tigers	34	81	78	7	20	2	0	3	8	0	0	1	13	.256	.266	.397	.663	31	3	0	2	0	0
1964	Foreign Major	JPPL	Tokyo Orions	53	135	124	5	19	2	0	1	5	0	0	1	25	.153	.160	.194	.354	24	2	0	10	0	0
1965	Foreign Major	JPPL	Tokyo Orions	51	107	97	3	13	2	0	0	5	0	0	2	28	.134	.150	.155	.305	15	1	0	7	1	0
1966	Foreign Major	JPPL	Tokyo Orions	51	103	89	5	19	2	0	0	3	0	0	1	22	.213	.222	.236	.458	21	1	0	13	0	0
1967	Foreign Major	JPPL	Tokyo Orions	47	79	71	5	13	1	0	0	7	0	0	3	15	.183	.216	.197	.413	14	1	0	5	0	0
1968	Foreign Major	JPPL	Tokyo Orions	31	26	23	1	3	1	0	0	0	0	0	0	3	.130	.130	.174	.304	4	0	0	3	0	0
1969	Foreign Major	JPPL	Lotte Orions	33	63	58	3	11	0	0	0	1	0	0	1	9	.190	.203	.190	.393	11	2	0	4	0	0
1970	Foreign Major	JPPL	Lotte Orions	39	90	80	2	6	0	0	0	1	0	0	3	14	.075	.119	.075	.194	6	2	1	6	0	0
1971	Foreign Major	JPPL	Lotte Orions	35	81	70	6	7	2	0	0	3	0	0	4	12	.100	.149	.129	.277	9	2	0	7	0	0
1972	Foreign Major	JPPL	Lotte Orions	28	53	51	1	7	0	0	0	4	0	0	2	14	.137	.170	.137	.307	7	2	0	0	0	0
1973	Foreign Major	JPCL	Taiyo Whales	15	19	16	0	1	0	0	0	0	0	0	1	6	.062	.118	.062	.180	1	1	0	2	0	0
Totals				869	1704	1555	75	244	30	1	9	76	1	1	35	372	.157	.177	.195	.372	303	30	3	109	2	0

Fielding:

Year	Level	Lg	Team	Pos	GP	PO	A	E	DP	RF/G
1953	Foreign Major	JPCL	Osaka Tigers	P	16					.000
1954	Foreign Major	JPCL	Osaka Tigers	P	40					.000
1955	Foreign Major	JPCL	Osaka Tigers	P	27					.000
1956	Foreign Major	JPCL	Osaka Tigers	P	59					.000
1957	Foreign Major	JPCL	Osaka Tigers	P	52					.000
1958	Foreign Major	JPCL	Osaka Tigers	P	53					.000
1959	Foreign Major	JPCL	Osaka Tigers	P	52					.000
1960	Foreign Major	JPCL	Osaka Tigers	P	60					.000
1961	Foreign Major	JPCL	Hanshin Tigers	P	46					.000
1962	Foreign Major	JPCL	Hanshin Tigers	P	47					.000
1963	Foreign Major	JPCL	Hanshin Tigers	P	34					.000
1964	Foreign Major	JPPL	Tokyo Orions	P	53					.000
1965	Foreign Major	JPPL	Tokyo Orions	P	50					.000
1965	Foreign Major	JPPL	Tokyo Orions	OF	1					.000
1966	Foreign Major	JPPL	Tokyo Orions	P	49					.000
1966	Foreign Major	JPPL	Tokyo Orions	OF	2					.000
1967	Foreign Major	JPPL	Tokyo Orions	P	44					.000
1967	Foreign Major	JPPL	Tokyo Orions	2B	3					.000
1968	Foreign Major	JPPL	Tokyo Orions	OF	4					.000
1968	Foreign Major	JPPL	Tokyo Orions	P	25					.000
1968	Foreign Major	JPPL	Tokyo Orions	1B	1					.000
1968	Foreign Major	JPPL	Tokyo Orions	2B	1					.000
1969	Foreign Major	JPPL	Lotte Orions	P	33					.000
1970	Foreign Major	JPPL	Lotte Orions	P	38					.000
1970	Foreign Major	JPPL	Lotte Orions	SS	1					.000
1971	Foreign Major	JPPL	Lotte Orions	P	35					.000
1972	Foreign Major	JPPL	Lotte Orions	P	28					.000
1973	Foreign Major	JPCL	Taiyo Whales	P	15					.000
Totals					869	0	0	0	0	.000

Minor League Service:

Year	Level	League	Team
1953	Foreign Major	Japan Central League	Osaka Tigers
1954	Foreign Major	Japan Central League	Osaka Tigers
1955	Foreign Major	Japan Central League	Osaka Tigers
1956	Foreign Major	Japan Central League	Osaka Tigers
1957	Foreign Major	Japan Central League	Osaka Tigers
1958	Foreign Major	Japan Central League	Osaka Tigers
1959	Foreign Major	Japan Central League	Osaka Tigers
1960	Foreign Major	Japan Central League	Osaka Tigers
1961	Foreign Major	Japan Central League	Hanshin Tigers
1962	Foreign Major	Japan Central League	Hanshin Tigers
1963	Foreign Major	Japan Central League	Hanshin Tigers
1964	Foreign Major	Japan Pacific League	Tokyo Orions
1965	Foreign Major	Japan Pacific League	Tokyo Orions
1966	Foreign Major	Japan Pacific League	Tokyo Orions
1967	Foreign Major	Japan Pacific League	Tokyo Orions
1968	Foreign Major	Japan Pacific League	Tokyo Orions
1969	Foreign Major	Japan Pacific League	Lotte Orions
1970	Foreign Major	Japan Pacific League	Lotte Orions
1971	Foreign Major	Japan Pacific League	Lotte Orions
1972	Foreign Major	Japan Pacific League	Lotte Orions
1973	Foreign Major	Japan Central League	Taiyo Whales

Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.