Aaron Judge has the best slugging percentage by a rookie, with a slugging percentage of .627 in 2017.

Interpreted as:

highest slugging with a minimum of 3.1 PA per team game in a rookie season

	NAME	SLG	SEASON	TM	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	Aaron Judge A. Judge	.627	2017	NYY	155	542	128	154	24	3	52	114	127	5	208	9	4	678	340	79	0	4	11	15	.284	.422	1.049	145	62.5	.430	174	61.5
2	Mark McGwire M. McGwire	.618	1987	OAK	151	557	97	161	28	4	49	118	71	5	131	1	1	641	344	81	0	8	8	6	.289	.370	.987	124	45.2	.411	157	46.2
3	Wally Berger W. Berger	.614	1930	BSN	151	555	98	172	27	14	38	119	54	4	69	3		625	341	79	12				.310	.375	.990	125	36.7	.422	130	29.6
4	Albert Pujols A. Pujols	.610	2001	STL	161	590	112	194	47	4	37	130	69	9	93	1	3	676	360	88	1	7	6	21	.329	.403	1.013	139	54.7	.423	159	51.9
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	Jeff Heath J. Heath	.602	1938	CLE	126	502	104	172	31	18	21	112	33	0	55	3	1	538	302	70	3				.343	.383	.985	108	40.3	.436	137	29.3
7	Bob Hamelin B. Hamelin	.599	1994	KCR	101	312	64	88	25	1	24	65	56	1	62	4	3	374	187	50	0	5	3	4	.282	.388	.987	73	25.4	.414	146	22.8
8	Hal Trosky Sr. H. Trosky Sr.	.598	1934	CLE	154	625	117	206	45	9	35	142	58	2	49	2	2	685	374	89	0				.330	.388	.987	139	52.9	.437	143	41.2
9	Joe Jackson J. Jackson	.590	1911	CLE	147	571	126	233	45	19	7	83	56	8	43	41		641	337	71	6				.408	.468	1.058	151	75.1	.494	184	68.6
10	Ross Barnes R. Barnes	.590	1876	CWS	66	322	126	138	21	14	1	59	20		8			342	190	36					.429			105	53.2	.478	197	50.5
11	Walt Dropo W. Dropo	.583	1950	BSA	136	559	101	180	28	8	34	144	45	5	75	0	0	609	326	70	0			16	.322	.378	.961	115	39.3	.425	132	26.7
12	Pete Alonso P. Alonso	.583	2019	NYM	161	597	103	155	30	2	53	120	72	21	183	1	0	693	348	85	0	3	6	13	.260	.358	.941	126	38.4	.384	144	40.3
13	Cody Bellinger C. Bellinger	.581	2017	LAD	132	480	87	128	26	4	39	97	64	1	146	10	3	548	279	69	0	3	13	5	.267	.352	.933	94	27.3	.380	137	26.3
14	José Abreu J. Abreu	.581	2014	CWS	145	556	80	176	35	2	36	107	51	11	131	3	1	622	323	73	0	4	15	14	.317	.383	.964	115	48.3	.411	167	46.1
15	Dale Alexander D. Alexander	.580	1929	DET	155	626	110	215	43	15	25	137	56	0	63	5	9	700	363	83	18				.343	.397	.977	139	46.4	.431	143	40.9
16	Joe DiMaggio J. DiMaggio	.576	1936	NYY	138	637	132	206	44	15	29	125	24	4	39	4	0	668	367	88	3				.323	.352	.928	121	33.1	.409	122	22.2
17	Fred Lynn F. Lynn	.566	1975	BOS	145	528	103	175	47	7	21	105	62	3	90	10	5	605	299	75	6	6	10	11	.331	.401	.967	114	48.1	.427	161	41.5
18	Mike Trout M. Trout	.564	2012	LAA	139	559	129	182	27	8	30	83	67	6	139	49	5	639	315	65	0	7	4	7	.326	.399	.963	121	48.2	.409	167	50
19	Buck Freeman B. Freeman	.563	1899	WSH	155	588	107	187	19	25	25	122	23	18	25	21		634	331	69	5				.318	.362	.925	128	40.1	.422	137	34.5
20	Mike Piazza M. Piazza	.561	1993	LAD	149	547	81	174	24	2	35	112	46	3	86	3	4	602	307	61	0	6	6	10	.318	.370	.932	108	36.3	.401	150	37.5
21	Frank Robinson F. Robinson	.558	1956	CIN	152	572	122	166	27	6	38	83	64	20	95	8	4	668	319	71	8	4	7	14	.290	.379	.936	120	42.9	.407	145	36.4
22	Dick Allen D. Allen	.557	1964	PHI	162	632	125	201	38	13	29	91	67	0	138	3	4	708	352	80	6	3	13	8	.318	.382	.939	128	52.3	.405	162	49.5
23	Tony Oliva T. Oliva	.557	1964	MIN	161	672	109	217	43	9	32	94	34	6	68	12	6	718	374	84	3	3	8	9	.323	.359	.916	126	49.1	.397	148	40.3
24	Rico Carty R. Carty	.554	1964	MIL	133	455	72	150	28	4	22	88	43	3	78	1	2	505	252	54	0	4	4	16	.330	.388	.942	93	39.3	.410	166	37.3
25	Zeke Bonura Z. Bonura	.545	1934	CWS	127	510	86	154	35	4	27	110	64	0	31	0	2	575	278	66	1				.302	.380	.925	106	33.5	.414	131	25.2