most home runs by a player in regular season and playoffs single season 1871 to 1999

Between the 1871 and 1999 seasons, Mark McGwire smashed the most home runs in a combined regular-season and postseason, with 70 home runs in 1998.

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Mark McGwire M. McGwire	70	1998	STL	155	509	130	152	21	0	147	162	6	155	1	0	681	383	91	0	4	28	8	.299	.470	.752	1.222	176	91.7	.492	205	90.7
2	Sammy Sosa S. Sosa	66	1998	CHC	162	654	134	200	21	0	158	74	1	175	18	11	734	419	87	0	5	14	20	.306	.375	.641	1.015	146	56.6	.425	156	53.7
3	Mark McGwire M. McGwire	65	1999	STL	153	521	118	145	21	1	147	133	2	141	0	0	661	363	87	0	5	21	12	.278	.424	.697	1.120	150	64.2	.453	169	61.5
4	Sammy Sosa S. Sosa	63	1999	CHC	162	625	114	180	24	2	141	78	3	171	7	8	712	397	89	0	6	8	17	.288	.367	.635	1.002	138	45.2	.414	143	41.3
5	Roger Maris R. Maris	62	1961	NYY	166	609	136	161	17	4	143	98	7	73	0	0	721	372	83	0	7	1	16	.264	.369	.611	.980	138	55.9	.424	157	55.1
6	Babe Ruth B. Ruth	62	1927	NYY	155	555	162	198	29	8	172	139	0	91	8		709	429	99	14				.357	.486	.773	1.259	195	109.9	.545	207	104.8
7	Babe Ruth B. Ruth	60	1921	NYY	158	556	180	209	44	16	172	150	4	89	19		714	465	120	4				.376	.511	.836	1.348	214	127.8	.575	218	118.7
8	Mark McGwire M. McGwire	58	1997	TOT	156	540	86	148	27	0	123	101	9	159	3	0	657	349	85	0	7	16	9	.274	.393	.646	1.039	134	52.9	.429	161	51.4
9	Hank Greenberg H. Greenberg	58	1938	DET	155	556	143	175	23	4	147	119	3	92	7	5	681	380	85	3				.315	.438	.683	1.122	166	80.3	.489	162	62
10	Jimmie Foxx J. Foxx	58	1932	PHA	154	585	151	213	33	9	169	116	0	96	3	7	701	438	100	0				.364	.469	.749	1.218	193	105.6	.522	198	95.8
11	Babe Ruth B. Ruth	57	1928	NYY	158	552	172	183	32	8	150	138	3	89	4		701	402	97	8				.332	.468	.728	1.196	174	90.6	.510	196	89.3
12	Ken Griffey Jr. K. Griffey Jr.	56	1998	SEA	161	633	120	180	33	3	146	76	7	121	20	5	720	387	92	0	4	11	14	.284	.365	.611	.977	135	46	.408	145	41.8
13	Ken Griffey Jr. K. Griffey Jr.	56	1997	SEA	161	623	125	187	34	3	149	77	8	124	17	4	720	395	93	0	12	23	12	.300	.378	.634	1.012	139	52.2	.421	151	49
14	Hack Wilson H. Wilson	56	1930	CHC	155	585	146	208	35	6	191	105	1	84	3		709	423	97	18				.356	.454	.723	1.177	189	89	.497	171	78.9
15	Mickey Mantle M. Mantle	55	1956	NYY	157	557	138	194	23	5	134	118	2	104	11	1	682	392	83	1	4	7	5	.348	.461	.704	1.165	164	88.9	.498	193	84.6
16	Albert Belle A. Belle	54	1995	CLE	157	592	129	184	54	1	134	87	7	93	5	3	690	402	109	0	4	9	24	.311	.403	.679	1.082	143	64.3	.456	158	59.9
17	Mickey Mantle M. Mantle	54	1961	NYY	155	520	131	164	16	6	128	126	0	114	12	1	652	354	76	1	5	9	2	.315	.445	.681	1.126	156	79.6	.478	195	78.8
18	Ralph Kiner R. Kiner	54	1949	PIT	152	549	116	170	19	5	127	117	1	61	6		667	361	78	0			10	.310	.432	.658	1.089	153	73.4	.484	179	65.8
19	Babe Ruth B. Ruth	54	1920	NYY	142	458	158	172	36	9	135	150	3	80	14	14	616	388	99	5				.376	.532	.847	1.379	191	120.9	.597	237	110.5
20	Greg Vaughn G. Vaughn	53	1998	SDP	169	611	118	165	29	4	124	81	5	128	11	5	702	361	86	0	5	6	8	.270	.358	.591	.948	121	39.6	.403	142	42.7
21	Brady Anderson B. Anderson	53	1996	BAL	158	617	125	181	38	5	115	81	23	114	21	9	732	388	96	6	5	1	11	.293	.393	.629	1.021	147	58	.434	145	52.1
22	Juan Gonzalez J. Gonzalez	52	1996	TEX	138	557	94	177	33	2	153	48	3	84	2	0	611	370	87	0	3	13	10	.318	.373	.664	1.037	118	41.8	.418	137	33.7
23	Mark McGwire M. McGwire	52	1996	OAK	130	423	104	132	21	0	113	116	8	112	0	0	548	309	73	0	1	16	14	.312	.467	.730	1.198	142	71.8	.489	190	68.5
24	George Foster G. Foster	52	1977	CIN	158	615	124	197	31	2	149	61	5	107	6	4	689	388	85	0	8	10	17	.320	.382	.631	1.013	139	58.4	.430	165	54.1
25	Willie Mays W. Mays	52	1965	SFG	157	558	118	177	21	3	112	76	0	71	9	4	638	360	76	2	2	16	11	.317	.398	.645	1.043	136	68.2	.448	186	62.7