lowest hr/xbh by a player in a season with a minimum of 40 hr

Chuck Klein has the fewest home runs per extra-base hit with 40+ home runs in a season, with 0.37 in 1930.

	NAME	HR/XBH	HR	XBH	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Chuck Klein C. Klein	0.37	40	107	1930	PHN	156	648	158	250	59	8	170	54	4	50	4		719	445	13				.386	.436	.687	1.123	181	80	.481	152	58.7
2	Hank Greenberg H. Greenberg	0.39	40	103	1937	DET	154	594	137	200	49	14	184	102	3	101	8	3	701	397	2				.337	.436	.668	1.105	167	79.5	.483	164	65.3
3	Lou Gehrig L. Gehrig	0.4	47	117	1927	NYY	155	584	149	218	52	18	173	109	3	84	10	8	717	447	21				.373	.474	.765	1.240	199	110.9	.540	209	105.6
4	Todd Helton T. Helton	0.41	42	103	2000	COL	160	580	138	216	59	2	147	103	4	61	5	3	697	405	0	10	22	12	.372	.463	.698	1.162	174	82.4	.476	161	58
5	Lou Gehrig L. Gehrig	0.41	41	100	1930	NYY	154	581	143	220	42	17	173	101	3	63	12	14	703	419	18				.379	.473	.721	1.194	193	94.5	.507	198	98.3
6	Rogers Hornsby R. Hornsby	0.41	42	102	1922	SLN	154	623	141	250	46	14	152	65	1	50	17	12	704	450	15				.401	.459	.722	1.181	186	97.8	.520	197	92.7
7	Carlos Delgado C. Delgado	0.41	41	99	2000	TOR	162	569	115	196	57	1	137	123	15	104	0	1	711	378	0	4	18	12	.344	.470	.664	1.134	174	81	.471	179	76
8	Hank Greenberg H. Greenberg	0.41	41	99	1940	DET	148	573	129	195	50	8	150	93	1	75	6	3	670	384	3			15	.340	.433	.670	1.103	160	78.8	.482	168	62.8
9	Babe Ruth B. Ruth	0.41	41	99	1923	NYY	152	522	151	205	45	13	130	170	4	93	17	21	699	399	3				.393	.545	.764	1.309	211	124.7	.571	230	120.4
10	Ellis Burks E. Burks	0.43	40	93	1996	COL	156	613	142	211	45	8	128	61	6	114	32	6	685	392	3	2	2	19	.344	.408	.639	1.047	151	62.8	.443	151	44.1
11	Hal Trosky Sr. H. Trosky Sr.	0.44	42	96	1936	CLE	151	629	124	216	45	9	162	36	3	58	6	5	671	405	3				.343	.382	.644	1.026	144	55.7	.449	140	41.2
12	Duke Snider D. Snider	0.45	40	89	1954	BKN	149	584	120	199	39	10	130	84	4	96	6	6	679	378	1	6		12	.341	.423	.647	1.071	149	72.1	.470	171	61
13	David Ortiz D. Ortiz	0.45	41	91	2004	BOS	150	582	94	175	47	3	139	75	4	133	0	0	669	351	0	8	8	12	.301	.380	.603	.983	127	44	.408	147	39.9
14	Albert Pujols A. Pujols	0.45	43	95	2003	STL	157	591	137	212	51	1	124	79	10	65	5	1	685	394	0	5	12	13	.359	.439	.667	1.106	160	76.4	.461	184	74.1
15	Chuck Klein C. Klein	0.46	43	94	1929	PHN	149	616	126	219	45	6	145	54	0	61	5		679	405	9				.356	.407	.657	1.065	153	63.4	.463	146	46.2
16	Juan Gonzalez J. Gonzalez	0.46	45	97	1998	TEX	154	606	110	193	50	2	157	46	6	126	2	1	669	382	0	11	9	20	.318	.366	.630	.997	129	46.3	.414	145	39.1
17	Derrek Lee D. Lee	0.46	46	99	2005	CHC	158	594	120	199	50	3	107	85	5	109	15	3	691	393	0	7	23	12	.335	.418	.662	1.080	150	67.4	.444	170	60.9
18	Albert Pujols A. Pujols	0.46	46	99	2004	STL	154	592	133	196	51	2	123	84	7	52	5	5	692	389	0	9	12	21	.331	.415	.657	1.072	151	65.3	.442	171	63.6
19	Todd Helton T. Helton	0.47	49	105	2001	COL	159	587	132	197	54	2	146	98	5	104	7	5	696	402	1	5	15	14	.336	.432	.685	1.116	163	76.6	.457	160	54.8
20	Willie Mays W. Mays	0.47	41	87	1954	NYG	151	565	119	195	33	13	110	66	2	57	8	5	640	377	0	7		12	.345	.411	.667	1.078	141	68.5	.471	174	60.3
21	Nolan Arenado N. Arenado	0.47	42	89	2015	COL	157	616	97	177	43	4	130	34	4	110	2	5	665	354	0	11	13	17	.287	.323	.575	.898	106	30.8	.371	121	16.1
22	Joe DiMaggio J. DiMaggio	0.48	46	96	1937	NYY	151	621	151	215	35	15	167	64	5	37	3	0	692	418	2				.346	.412	.673	1.085	160	73.6	.474	165	64.8
23	Shawn Green S. Green	0.48	42	87	1999	TOR	153	614	134	190	45	0	123	66	11	117	20	7	696	361	0	5	4	13	.309	.384	.588	.972	133	42.4	.411	142	39.1
24	Albert Belle A. Belle	0.49	50	103	1995	CLE	143	546	121	173	52	1	126	73	6	80	5	2	629	377	0	4	5	24	.317	.401	.690	1.091	143	64.3	.456	173	59.9
25	Josh Donaldson J. Donaldson	0.49	41	84	2015	TOR	158	620	122	184	41	2	123	73	6	133	6	0	711	352	2	10	0	16	.297	.371	.568	.939	128	47.9	.398	154	44.8