Jimmie Foxx had the highest slugging percentage in 1939, with a slugging percentage of .694.

Interpreted as:

highest slg with a minimum of 3.1 PA per team game by a player in 1939

	NAME	SLG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	GIDP	AVG	OBP	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Jimmie Foxx J. Foxx	.694	1939	BSA	124	467	130	168	31	10	35	105	89	2	72	4	3	563	324	76	5	17	.360	.464	1.158	144	74.3	.507	181	63.5
2	Joe DiMaggio J. DiMaggio	.671	1939	NYY	120	462	108	176	32	6	30	126	52	4	20	3	0	524	310	68	6	11	.381	.448	1.119	129	64	.495	180	58.5
3	Johnny Mize J. Mize	.626	1939	SLN	153	564	104	197	44	14	28	108	92	4	49	0		670	353	86	10	9	.349	.444	1.070	154	71	.475	178	65.5
4	Hank Greenberg H. Greenberg	.622	1939	DET	138	500	111	156	42	7	33	113	91	2	95	8	3	604	311	82	11	8	.312	.420	1.042	132	56.8	.460	151	43
5	Ted Williams T. Williams	.609	1939	BSA	149	565	131	185	44	11	31	145	107	2	64	2	1	677	344	86	3	10	.327	.436	1.045	150	66.1	.464	156	53.1
6	Hal Trosky Sr. H. Trosky Sr.	.589	1939	CLE	122	448	89	150	31	4	25	104	52	1	28	2	3	511	264	60	10	6	.335	.405	.994	105	41.2	.444	150	35.2
7	Mel Ott M. Ott	.581	1939	NYG	125	396	85	122	23	2	27	80	100	1	50	2		508	230	52	11	5	.308	.449	1.030	111	48.5	.462	173	46.9
8	Bob Johnson B. Johnson	.553	1939	PHA	150	544	115	184	30	9	23	114	99	0	59	15	5	653	301	62	10	12	.338	.440	.993	137	55.7	.449	150	45.6
9	Charlie Gehringer C. Gehringer	.544	1939	DET	118	406	86	132	29	6	16	86	68	1	16	4	3	486	221	51	11	7	.325	.423	.967	97	36.7	.437	138	25.6
10	Dolph Camilli D. Camilli	.524	1939	BKN	157	565	105	164	30	12	26	104	110	4	107	1		684	296	68	5	12	.290	.409	.933	128	43.7	.423	146	39.8
11	George Selkirk G. Selkirk	.517	1939	NYY	128	418	103	128	17	4	21	101	103	8	49	12	5	537	216	42	8	3	.306	.452	.969	110	43.7	.444	151	38.1
12	George McQuinn G. McQuinn	.515	1939	SLA	154	617	101	195	37	13	20	94	65	2	42	6	5	702	318	70	18	11	.316	.383	.898	122	35.2	.406	121	20.9
13	Ival Goodman I. Goodman	.515	1939	CIN	124	470	85	152	37	16	7	84	54	7	32	2		553	242	60	22	6	.323	.401	.916	100	31.8	.415	147	32.8
14	Bill Dickey B. Dickey	.513	1939	NYY	128	480	98	145	23	3	24	105	77	4	37	5	0	565	246	50	4	9	.302	.403	.915	103	33.2	.416	135	27.3
15	Frankie Hayes F. Hayes	.510	1939	PHA	124	431	66	122	28	5	20	83	40	3	55	4	1	486	220	53	12	10	.283	.348	.859	77	16.3	.385	113	8.8
16	Joe Medwick J. Medwick	.507	1939	SLN	150	606	98	201	48	8	14	117	45	2	44	6		667	307	70	14	15	.332	.380	.886	114	31	.401	130	25.6
17	Joe Gordon J. Gordon	.506	1939	NYY	151	567	92	161	32	5	28	111	75	2	57	11	10	648	287	65	4	15	.284	.370	.876	107	27.2	.396	123	20.4
18	Charlie Keller C. Keller	.500	1939	NYY	111	398	87	133	21	6	11	83	81	0	49	6	3	490	199	38	11	4	.334	.447	.947	97	36.5	.436	146	31.4
19	Max West M. West	.497	1939	BSN	130	449	67	128	26	6	19	82	51	5	55	1		513	223	51	8	9	.285	.364	.861	83	19	.390	135	22.5
20	Red Rolfe R. Rolfe	.495	1939	NYY	152	648	139	213	46	10	14	80	81	1	41	7	6	731	321	70	1	6	.329	.404	.899	130	39.5	.411	131	31.9
21	Frank McCormick F. McCormick	.495	1939	CIN	156	630	99	209	41	4	18	128	40	2	16	1		688	312	63	16	23	.332	.374	.869	113	28.1	.394	134	29.3
22	Joe Cronin J. Cronin	.492	1939	BSA	143	520	97	160	33	3	19	107	87	0	48	6	6	627	256	55	20	18	.308	.407	.899	112	34.5	.412	126	22.5
23	Ken Keltner K. Keltner	.489	1939	CLE	154	587	84	191	35	11	13	97	51	0	41	6	6	648	287	59	10	15	.325	.379	.868	107	26.6	.394	121	19
24	Ernie Lombardi E. Lombardi	.487	1939	CIN	130	450	43	129	26	2	20	85	35	3	19	0		494	219	48	6	24	.287	.342	.829	73	12.2	.374	121	13
25	Enos Slaughter E. Slaughter	.482	1939	SLN	149	604	95	193	52	5	12	86	44	5	53	2		664	291	69	11	11	.320	.371	.852	106	23.6	.388	122	18.2