most home runs in a season by a lefty after 1980

Since 1981, Barry Bonds has launched the most home runs by a left-hander in a season, with 73 home runs in 2001.

	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	Barry Bonds B. Bonds	73	2001	SFG	153	476	129	156	32	2	137	177	9	93	13	3	664	411	107	0	2	35	5	.328	.515	.863	1.379	200	117.7	.537	234	116.6
2	Ryan Howard R. Howard	58	2006	PHI	159	581	104	182	25	1	149	108	9	181	0	0	704	383	84	0	6	37	7	.313	.425	.659	1.084	151	63	.436	162	57.5
3	Luis Gonzalez L. Gonzalez	57	2001	ARI	162	609	128	198	36	7	142	100	14	83	1	1	728	419	100	0	5	24	14	.325	.429	.688	1.117	168	77.8	.454	173	69.4
4	Kyle Schwarber K. Schwarber	56	2025	PHI	162	604	111	145	23	2	132	108	11	197	10	2	724	340	81	0	1	6	4	.240	.365	.563	.928	132	46	.391	153	45.8
5	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
6	Ken Griffey Jr. K. Griffey Jr.	56	1997	SEA	157	608	125	185	34	3	147	76	8	121	15	4	704	393	93	0	12	23	12	.304	.382	.646	1.028	139	52.2	.421	155	49
7	Shohei Ohtani S. Ohtani	55	2025	LAD	158	611	146	172	25	9	102	109	3	187	20	6	725	380	89	0	2	20	9	.282	.392	.622	1.014	147	61.7	.418	173	63.1
8	Shohei Ohtani S. Ohtani	54	2024	LAD	159	636	134	197	38	7	130	81	6	162	59	4	728	411	99	0	5	10	7	.310	.390	.646	1.036	156	70.5	.431	181	70.3
9	Matt Olson M. Olson	54	2023	ATL	162	608	127	172	27	3	139	104	4	167	1	0	720	367	84	0	4	8	13	.283	.389	.604	.993	144	56.4	.413	161	54.1
10	David Ortiz D. Ortiz	54	2006	BOS	151	558	115	160	29	2	137	119	4	117	1	0	686	355	85	0	5	23	12	.287	.413	.636	1.049	142	56	.427	157	50.9
11	Chris Davis C. Davis	53	2013	BAL	160	584	103	167	42	1	138	72	10	199	4	1	673	370	96	0	7	12	4	.286	.370	.634	1.004	130	56.3	.421	167	51.4
12	Jim Thome J. Thome	52	2002	CLE	147	480	101	146	19	2	118	122	5	139	1	2	613	325	73	0	6	18	5	.304	.445	.677	1.122	142	68.3	.461	189	67.1
13	Prince Fielder P. Fielder	50	2007	MIL	158	573	109	165	35	2	119	90	14	121	2	2	681	354	87	0	4	21	9	.288	.395	.618	1.013	134	50.1	.419	153	46.7
14	Brady Anderson B. Anderson	50	1996	BAL	149	579	117	172	37	5	110	76	22	106	21	8	687	369	92	6	4	1	11	.297	.396	.637	1.034	147	58	.434	155	52.1
15	Shawn Green S. Green	49	2001	LAD	161	619	121	184	31	4	125	72	5	107	20	4	701	370	84	0	5	10	10	.297	.372	.598	.970	131	44.5	.402	149	45
16	Todd Helton T. Helton	49	2001	COL	159	587	132	197	54	2	146	98	5	104	7	5	696	402	105	1	5	15	14	.336	.432	.685	1.116	163	76.6	.457	160	54.8
17	Jim Thome J. Thome	49	2001	CLE	156	526	101	153	26	1	124	111	4	185	0	1	644	328	76	0	3	14	9	.291	.416	.624	1.040	136	55.7	.429	167	54.4
18	Barry Bonds B. Bonds	49	2000	SFG	143	480	129	147	28	4	106	117	3	77	11	3	607	330	81	0	7	22	6	.306	.440	.688	1.127	141	61	.456	174	61.2
19	Larry Walker L. Walker	49	1997	COL	153	568	143	208	46	4	130	78	14	90	33	8	664	409	99	0	4	14	15	.366	.452	.720	1.172	168	86.1	.488	177	64.8
20	Ken Griffey Jr. K. Griffey Jr.	49	1996	SEA	140	545	125	165	26	2	140	78	7	104	16	1	638	342	77	1	7	13	7	.303	.392	.628	1.020	130	47.5	.423	147	41.2
21	Ryan Howard R. Howard	48	2008	PHI	162	610	105	153	26	4	146	81	3	199	1	1	700	331	78	0	6	17	11	.251	.339	.543	.881	107	22.6	.368	121	18.2
22	Ken Griffey Jr. K. Griffey Jr.	48	1999	SEA	160	606	123	173	26	3	134	91	7	108	24	7	706	349	77	0	2	17	8	.285	.384	.576	.960	129	37.1	.401	141	38.3
23	Kyle Schwarber K. Schwarber	47	2023	PHI	160	585	108	115	19	1	104	126	6	215	0	2	720	277	67	0	3	5	4	.197	.343	.474	.817	107	19	.350	120	17.5
24	Cody Bellinger C. Bellinger	47	2019	LAD	156	558	121	170	34	3	115	95	3	108	15	5	660	351	84	0	4	21	10	.305	.406	.629	1.035	137	54.2	.415	160	52.6
25	Chris Davis C. Davis	47	2015	BAL	160	573	100	150	31	0	117	84	8	208	2	3	670	322	78	0	5	6	6	.262	.361	.562	.923	116	40.9	.390	149	38