Joe Medwick has the most RBIs per home run with 30+ home runs in a season, with 4.97 in 1937.

Interpreted as:

most rbi/hr by a player in a season, minimum 30 hr

	NAME	RBI/HR	HR	RBI	SEASON	TM	G	AB	R	H	2B	3B	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Joe Medwick J. Medwick	4.97	31	154	1937	SLN	156	633	111	237	56	10	41	2	50	4		677	406	97	1			11	.374	.414	.641	1.056	153	68	.467	180	67.4
2	Vern Stephens V. Stephens	4.8	30	144	1950	BSA	149	628	125	185	34	6	65	0	43	1	0	693	321	70	0			21	.295	.361	.511	.872	112	25.3	.391	111	10.9
3	Ted Williams T. Williams	4.68	31	145	1939	BSA	149	565	131	185	44	11	107	2	64	2	1	677	344	86	3			10	.327	.436	.609	1.045	150	66.1	.464	156	53.1
4	Hank Greenberg H. Greenberg	4.67	36	168	1935	DET	152	619	120	203	46	16	87	0	91	4	3	710	389	98	4				.328	.411	.628	1.039	155	66.7	.457	158	56.8
5	Al Simmons A. Simmons	4.62	34	157	1929	PHA	143	581	114	212	41	9	31	1	38	4	3	629	373	84	16				.365	.398	.642	1.040	137	53.9	.454	160	51.4
6	Hank Greenberg H. Greenberg	4.6	40	184	1937	DET	154	594	137	200	49	14	102	3	101	8	3	701	397	103	2				.337	.436	.668	1.105	167	79.5	.483	164	65.3
7	Al Simmons A. Simmons	4.58	36	165	1930	PHA	138	554	152	211	41	16	39	1	34	9	2	611	392	93	17				.381	.423	.708	1.130	153	67.4	.480	173	63.8
8	Dante Bichette D. Bichette	4.55	31	141	1996	COL	159	633	114	198	39	3	45	6	105	31	12	694	336	73	0	10	4	18	.313	.359	.531	.890	115	25.7	.379	108	6.7
9	Earl Averill E. Averill	4.47	32	143	1931	CLE	155	627	140	209	36	10	68	6	38	9	9	701	361	78	0				.333	.404	.576	.979	143	55.9	.439	146	43.5
10	Lou Gehrig L. Gehrig	4.44	34	151	1932	NYY	156	596	138	208	42	9	108	3	38	4	11	708	370	85	1				.349	.451	.621	1.072	167	77.9	.472	174	73.4
11	Miguel Tejada M. Tejada	4.41	34	150	2004	BAL	162	653	107	203	40	2	48	10	73	4	1	725	349	76	0	14	6	24	.311	.360	.534	.894	118	28.2	.376	130	27.3
12	Jim Bottomley J. Bottomley	4.39	31	136	1928	SLN	149	576	123	187	42	20	71	3	54	10		667	362	93	17				.325	.402	.628	1.030	140	59	.455	159	51.9
13	Joe DiMaggio J. DiMaggio	4.38	32	140	1938	NYY	145	599	129	194	32	13	59	2	21	6	1	660	348	77	0				.324	.386	.581	.967	129	46.5	.430	136	35.4
14	Lou Gehrig L. Gehrig	4.38	32	140	1933	NYY	152	593	138	198	41	12	92	1	42	9	13	687	359	85	1				.334	.424	.605	1.030	149	69.6	.462	168	62.5
15	Al Simmons A. Simmons	4.31	35	151	1932	PHA	154	670	144	216	28	9	47	1	76	4	2	718	367	72	0				.322	.368	.548	.915	130	39.9	.405	130	29.9
16	Hack Wilson H. Wilson	4.3	30	129	1927	CHC	146	551	119	175	30	12	71	6	70	13		646	319	72	18				.318	.401	.579	.980	129	49.1	.441	159	48.4
17	Joe DiMaggio J. DiMaggio	4.29	31	133	1940	NYY	132	508	93	179	28	9	61	3	30	1	2	572	318	68	0			16	.352	.425	.626	1.051	128	59.2	.464	167	52.5
18	Lou Gehrig L. Gehrig	4.27	37	158	1937	NYY	157	569	138	200	37	9	127	4	49	4	3	700	366	83	0				.351	.473	.643	1.116	173	85.5	.494	176	76.5
19	Chuck Klein C. Klein	4.25	40	170	1930	PHN	156	648	158	250	59	8	54	4	50	4		719	445	107	13				.386	.436	.687	1.123	181	80	.481	152	58.7
20	Walt Dropo W. Dropo	4.24	34	144	1950	BSA	136	559	101	180	28	8	45	5	75	0	0	609	326	70	0			16	.322	.378	.583	.961	115	39.3	.425	132	26.7
21	Lou Gehrig L. Gehrig	4.22	41	173	1930	NYY	154	581	143	220	42	17	101	3	63	12	14	703	419	100	18				.379	.473	.721	1.194	193	94.5	.507	198	98.3
22	Jimmie Foxx J. Foxx	4.22	37	156	1930	PHA	153	562	127	188	33	13	93	0	66	7	7	673	358	83	18				.335	.429	.637	1.066	156	61	.458	159	57
23	Cecil Cooper C. Cooper	4.2	30	126	1983	MIL	160	661	106	203	37	3	37	1	63	2	1	710	336	70	3	8	7	17	.307	.341	.508	.849	108	28	.370	133	27.8
24	Ted Williams T. Williams	4.2	30	126	1951	BSA	148	531	109	169	28	4	144	0	45	1	1	675	295	62	0			10	.318	.464	.556	1.019	146	66.5	.463	166	55.4
25	Joe DiMaggio J. DiMaggio	4.2	30	126	1939	NYY	120	462	108	176	32	6	52	4	20	3	0	524	310	68	6			11	.381	.448	.671	1.119	129	64	.495	180	58.5