Babe Ruth had the best slugging percentage in the AL in 1930, with a slugging percentage of .732.

Interpreted as:

best slg with a minimum of 3.1 PA per team game by a player in the al in 1930

	NAME	SLG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Babe Ruth B. Ruth	.732	1930	NYY	145	518	150	186	28	9	49	153	136	1	61	10	10	676	379	86	21	.359	.493	1.225	192	97	.517	204	100.6
2	Lou Gehrig L. Gehrig	.721	1930	NYY	154	581	143	220	42	17	41	173	101	3	63	12	14	703	419	100	18	.379	.473	1.194	193	94.5	.507	198	98.3
3	Al Simmons A. Simmons	.708	1930	PHA	138	554	152	211	41	16	36	165	39	1	34	9	2	611	392	93	17	.381	.423	1.130	153	67.4	.480	173	63.8
4	Jimmie Foxx J. Foxx	.637	1930	PHA	153	562	127	188	33	13	37	156	93	0	66	7	7	673	358	83	18	.335	.429	1.066	156	61	.458	159	57
5	Goose Goslin G. Goslin	.601	1930	TOT	148	584	115	180	36	12	37	138	67	3	54	17	11	668	351	85	14	.308	.382	.983	133	39	.421	138	36.3
6	Ed Morgan E. Morgan	.601	1930	CLE	150	584	122	204	47	11	26	136	62	1	66	8	4	666	351	84	19	.349	.413	1.014	143	49.7	.440	146	43.9
7	Carl Reynolds C. Reynolds	.584	1930	CWS	138	563	103	202	25	18	22	104	20	7	39	16	4	602	329	65	12	.359	.388	.973	120	35.4	.422	143	36.9
8	Earl Averill E. Averill	.537	1930	CLE	139	534	102	181	33	8	19	119	56	2	48	10	7	605	287	60	13	.339	.404	.941	117	32	.415	131	26.7
9	Charlie Gehringer C. Gehringer	.534	1930	DET	154	610	144	201	47	15	16	98	69	7	17	19	15	699	326	78	13	.330	.404	.938	135	36.3	.414	133	33.1
10	Heinie Manush H. Manush	.531	1930	TOT	137	554	100	194	49	12	9	94	31	0	24	7	4	602	294	70	17	.350	.385	.915	110	25	.402	128	23.7
11	Mickey Cochrane M. Cochrane	.526	1930	PHA	130	487	110	174	42	5	10	85	55	1	18	5	0	561	256	57	18	.357	.424	.949	113	33.7	.423	138	30.4
12	Earl Webb E. Webb	.523	1930	BSA	127	449	61	145	30	6	16	66	44	1	56	2	1	506	235	52	12	.323	.385	.908	91	19.9	.400	128	20.5
13	Earle Combs E. Combs	.523	1930	NYY	137	532	129	183	30	22	7	82	74	0	26	16	10	617	278	59	11	.344	.424	.947	123	36.1	.422	145	39.4
14	Joe Cronin J. Cronin	.513	1930	WSH	154	587	127	203	41	9	13	126	72	5	36	17	10	686	301	63	22	.346	.422	.934	135	38.1	.418	139	37.9
15	Joe Judge J. Judge	.509	1930	WSH	126	442	83	144	29	11	10	80	60	3	29	13	6	515	225	50	10	.326	.410	.919	97	24.8	.410	134	24.6
16	Dale Alexander D. Alexander	.507	1930	DET	154	602	86	196	33	8	20	135	42	2	56	6	5	660	305	61	14	.326	.372	.878	111	18.6	.387	117	15.6
17	Johnny Hodapp J. Hodapp	.502	1930	CLE	154	635	111	225	51	8	9	121	32	1	29	6	5	687	319	68	19	.354	.386	.889	121	23.8	.395	118	17.8
18	Dick Porter D. Porter	.498	1930	CLE	119	480	100	168	43	8	4	57	55	3	31	3	3	552	239	55	14	.350	.420	.918	106	28	.413	130	23.2
19	Smead Jolley S. Jolley	.492	1930	CWS	152	616	76	193	38	12	16	114	28	3	52	3	1	651	303	66	4	.313	.346	.838	99	7	.368	109	8.7
20	Red Kress R. Kress	.487	1930	SLA	154	614	94	192	43	8	16	112	50	2	56	3	12	679	299	67	13	.313	.366	.853	109	13.6	.378	110	9.5
21	Marty McManus M. McManus	.475	1930	DET	132	484	74	155	40	4	9	89	59	2	28	23	8	561	230	53	16	.320	.396	.872	97	18.3	.392	120	15.7
22	Ben Chapman B. Chapman	.474	1930	NYY	138	513	74	162	31	10	10	81	43	2	58	14	6	564	243	51	6	.316	.371	.845	90	10.5	.377	117	13.5
23	Tony Lazzeri T. Lazzeri	.462	1930	NYY	143	571	109	173	34	15	9	121	60	3	62	4	4	650	264	58	16	.303	.372	.835	102	10.4	.374	115	13.9
24	Sam Rice S. Rice	.457	1930	WSH	147	593	121	207	35	13	1	73	55	3	14	13	8	668	271	49	17	.349	.407	.864	116	21.9	.393	123	21.7
25	Bing Miller B. Miller	.438	1930	PHA	154	585	89	177	38	7	9	100	47	3	22	13	13	654	256	54	19	.303	.357	.795	93	1.2	.358	97	-2.7