which rookie has the highest slg in a season with at least 300 ab

Yordan Alvarez has the highest slugging percentage by a rookie with 300+ at-bats, with a slugging percentage of .655 in 2019.

	NAME	SLG	AB	SEASON	TM	G	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	Yordan Alvarez Y. Alvarez	.655	313	2019	HOU	87	58	98	26	0	27	78	52	2	94	0	0	369	205	53	0	2	4	9	.313	.412	1.067	82	35.8	.432	176	36
2	Rudy York R. York	.651	375	1937	DET	104	72	115	18	3	35	101	41	0	52	3	2	417	244	56	1				.307	.375	1.026	87	35.1	.447	144	26.7
3	Ryan Braun R. Braun	.634	451	2007	MIL	113	91	146	26	6	34	97	29	7	112	15	5	492	286	66	0	5	1	13	.324	.370	1.004	98	37.2	.421	154	34.8
4	Aaron Judge A. Judge	.627	542	2017	NYY	155	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
5	George Watkins G. Watkins	.621	391	1930	SLN	119	85	146	32	7	17	87	24	4	49	5		424	243	56	5				.373	.415	1.037	95	35.2	.449	142	28
6	Nick Kurtz N. Kurtz	.619	420	2025	ATH	117	90	122	26	2	36	86	63	2	151	2	1	488	260	64	0	3	3	4	.290	.383	1.002	100	41.9	.419	173	42.1
7	Mark McGwire M. McGwire	.618	557	1987	OAK	151	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
8	Wally Berger W. Berger	.614	555	1930	BSN	151	98	172	27	14	38	119	54	4	69	3		625	341	79	12				.310	.375	.990	125	36.7	.422	130	29.6
9	Albert Pujols A. Pujols	.610	590	2001	STL	161	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
10	Ted Williams T. Williams	.609	565	1939	BSA	149	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
11	Jeff Heath J. Heath	.602	502	1938	CLE	126	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
12	Bob Hamelin B. Hamelin	.599	312	1994	KCR	101	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
13	Hal Trosky Sr. H. Trosky Sr.	.598	625	1934	CLE	154	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
14	Joe Jackson J. Jackson	.590	571	1911	CLE	147	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
15	Ross Barnes R. Barnes	.590	322	1876	CWS	66	126	138	21	14	1	59	20		8			342	190	36					.429			105	53.2	.478	197	50.5
16	Fernando Tatis Jr. F. Tatis Jr.	.590	334	2019	SDP	84	61	106	13	6	22	53	30	5	110	16	6	372	197	41	0	3	1	4	.317	.379	.969	72	25.2	.398	151	24.8
17	Walt Dropo W. Dropo	.583	559	1950	BSA	136	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
18	Pete Alonso P. Alonso	.583	597	2019	NYM	161	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
19	Cody Bellinger C. Bellinger	.581	480	2017	LAD	132	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
20	José Abreu J. Abreu	.581	556	2014	CWS	145	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
21	Dale Alexander D. Alexander	.580	626	1929	DET	155	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
22	Johnny Mize J. Mize	.577	414	1936	SLN	126	76	136	30	8	19	93	50	1	32	1		469	239	57	4			4	.329	.402	.979	95	33.9	.436	156	33.6
23	Joe DiMaggio J. DiMaggio	.576	637	1936	NYY	138	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
24	Mike Greenwell M. Greenwell	.570	412	1987	BOS	125	71	135	31	6	19	89	35	6	40	5	4	456	235	56	0	3	1	7	.328	.386	.956	87	31.2	.408	148	28.1
25	Keston Hiura K. Hiura	.570	314	2019	MIL	84	51	95	23	2	19	49	25	8	107	9	3	348	179	44	0	1	1	6	.303	.368	.938	64	20.4	.388	139	17.8