Before 2022, Babe Ruth had the best slugging percentage, with a slugging percentage of .690.

Interpreted as:

best slugging percentage with a minimum of 1.55 PA per team game by a player before 2022

	NAME	SLG	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Babe Ruth B. Ruth	.690	2,503	8,399	2,174	2,873	506	136	714	2,214	2,062	43	1,330	123		10,617	5,793	1,356	113				.342	.474	1.164	2727	1,436.8	.513	197	1,369.6
2	Ted Williams T. Williams	.634	2,292	7,706	1,798	2,654	525	71	521	1,839	2,021	39	709	24	4	9,791	4,884	1,117	5	20	86	197	.344	.482	1.116	2349	1,219.7	.493	188	1,067
3	Lou Gehrig L. Gehrig	.632	2,164	8,001	1,888	2,721	534	163	493	1,995	1,508	45	790	102		9,660	5,060	1,190	106			2	.340	.447	1.080	2265	1,046.8	.477	173	980
4	Jimmie Foxx J. Foxx	.609	2,317	8,134	1,751	2,646	458	125	534	1,922	1,452	13	1,311	87		9,670	4,956	1,117	71			69	.325	.428	1.038	2135	934.1	.460	158	780.8
5	Barry Bonds B. Bonds	.607	2,986	9,847	2,227	2,935	601	77	762	1,996	2,558	106	1,539	514	141	12,606	5,976	1,440	4	91	688	165	.298	.444	1.051	2663	1,143.3	.435	172	1,142
6	Hank Greenberg H. Greenberg	.605	1,394	5,193	1,046	1,628	379	71	331	1,274	852	16	844	58		6,096	3,142	781	35			66	.313	.412	1.017	1287	556.1	.453	154	446.7
7	Fernando Tatis Jr. F. Tatis Jr.	.596	273	1,036	210	303	55	8	81	195	119	12	324	52	13	1,175	617	144	0	8	8	15	.292	.369	.965	226	80.8	.399	154	82
8	Mark McGwire M. McGwire	.588	1,874	6,187	1,167	1,626	252	6	583	1,414	1,317	75	1,596	12	8	7,660	3,639	841	3	78	150	147	.263	.394	.982	1480	564.9	.415	157	558.2
9	Manny Ramirez M. Ramirez	.585	2,302	8,244	1,544	2,574	547	20	555	1,831	1,329	109	1,813	38	33	9,774	4,826	1,122	2	90	216	243	.312	.411	.996	1931	719.5	.418	153	658.7
10	Mike Trout M. Trout	.583	1,288	4,656	967	1,419	268	49	310	816	865	86	1,215	203	37	5,659	2,715	627	0	52	109	58	.305	.419	1.002	1134	478.3	.419	172	481.2
11	Joe DiMaggio J. DiMaggio	.579	1,736	6,821	1,390	2,214	389	131	361	1,537	790	46	369	30	0	7,671	3,948	881	14			130	.325	.398	.977	1517	604.1	.439	152	528.8
12	Yordan Alvarez Y. Alvarez	.577	233	858	152	249	61	1	61	186	102	11	240	1	0	976	495	123	0	5	7	26	.290	.371	.948	184	63.6	.393	152	63.7
13	Rogers Hornsby R. Hornsby	.577	2,259	8,173	1,579	2,930	541	169	301	1,584	1,038	48	679	135		9,475	4,712	1,011	216				.358	.434	1.010	2018	899	.459	173	863.2
14	Larry Walker L. Walker	.565	1,988	6,907	1,355	2,160	471	62	383	1,311	913	138	1,231	230	76	8,030	3,904	916	7	65	117	153	.313	.400	.965	1532	556.6	.412	140	406.2
15	Albert Belle A. Belle	.564	1,539	5,853	974	1,726	389	21	381	1,239	683	55	961	88	41	6,673	3,300	791	4	78	91	193	.295	.369	.933	1184	366.5	.396	139	338.6
16	Johnny Mize J. Mize	.562	1,884	6,443	1,118	2,011	367	83	359	1,337	856	52	524	28	0	7,371	3,621	809	20			76	.312	.397	.959	1421	546.3	.433	157	508.1
17	Juan Gonzalez J. Gonzalez	.561	1,689	6,556	1,061	1,936	388	25	434	1,404	457	62	1,273	26	19	7,155	3,676	847	2	78	74	184	.295	.343	.904	1190	314.6	.383	129	264.9
18	Stan Musial S. Musial	.559	3,026	10,972	1,949	3,630	725	177	475	1,951	1,599	53	696	78	31	12,712	6,134	1,377	35	53	127	243	.331	.417	.976	2474	1,032.5	.435	158	896.7
19	Willie Mays W. Mays	.557	2,992	10,881	2,062	3,283	523	140	660	1,903	1,464	44	1,526	338	103	12,493	6,066	1,323	13	91	192	251	.302	.384	.941	2266	894.8	.409	154	802.7
20	Mickey Mantle M. Mantle	.557	2,401	8,102	1,676	2,415	344	72	536	1,509	1,733	13	1,710	153	38	9,909	4,511	952	14	47	126	113	.298	.421	.977	1941	840	.428	170	821.8
21	Frank Thomas F. Thomas	.555	2,322	8,199	1,494	2,468	495	12	521	1,704	1,667	87	1,397	32	23	10,074	4,550	1,028	0	121	168	226	.301	.419	.974	1954	721.1	.416	154	692
22	Hank Aaron H. Aaron	.555	3,298	12,364	2,174	3,771	624	98	755	2,297	1,402	32	1,383	240	73	13,940	6,856	1,477	21	121	293	328	.305	.374	.928	2453	936.4	.403	153	858.5
23	Aaron Judge A. Judge	.554	572	2,068	402	571	93	4	158	366	361	18	733	24	12	2,463	1,146	255	0	16	20	59	.276	.386	.940	456	156.8	.394	151	154.8
24	Jim Thome J. Thome	.554	2,543	8,422	1,583	2,328	451	26	612	1,699	1,747	69	2,548	19	20	10,313	4,667	1,089	1	74	173	165	.276	.402	.956	1925	653.9	.406	145	589.5
25	Vladimir Guerrero V. Guerrero	.553	2,147	8,155	1,328	2,590	477	46	449	1,496	737	103	985	181	94	9,059	4,506	972	0	64	250	277	.318	.379	.931	1575	464.6	.390	136	419