mlb players with most grand slams in rookie season

Royce Lewis and Alexei Ramirez are tied for the most grand slams by a rookie, with 4 grand slams.

	NAME	GRANDSLAM	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Royce Lewis R. Lewis	4	2023	MIN	58	217	36	67	7	0	15	52	20	2	55	6	1	239	119	22	0	0	0	5	.309	.372	.548	.921
2	Alexei Ramirez A. Ramirez	4	2008	CWS	136	480	65	139	22	2	21	77	18	3	61	13	9	509	228	45	4	4	3	14	.290	.317	.475	.792
3	Shane Spencer S. Spencer	3	1998	NYY	27	67	18	25	6	0	10	27	5	0	12	0	1	73	61	16	0	1	0	0	.373	.411	.910	1.321
4	Jackson Chourio J. Chourio	2	2024	MIL	148	528	80	145	29	4	21	79	39	3	121	22	7	573	245	54	1	2	4	7	.275	.327	.464	.791
5	Wyatt Langford W. Langford	2	2024	TEX	134	499	74	126	25	4	16	74	51	4	115	19	3	557	207	45	0	3	3	6	.253	.325	.415	.740
6	Matt Wallner M. Wallner	2	2023	MIN	76	213	42	53	11	1	14	41	28	13	80	2	1	254	108	26	0	0	1	1	.249	.370	.507	.877
7	Stone Garrett S. Garrett	2	2023	WSH	89	234	40	64	17	0	9	41	26	3	82	3	1	268	108	26	0	5	0	6	.274	.347	.462	.809
8	James Outman J. Outman	2	2023	LAD	151	483	86	120	16	3	23	70	68	12	181	16	3	567	211	42	0	4	1	4	.248	.353	.437	.790
9	Masataka Yoshida M. Yoshida	2	2023	BOS	140	537	71	155	33	3	15	72	34	7	81	8	0	580	239	51	0	2	0	20	.289	.338	.445	.783
10	Tyrone Taylor T. Taylor	2	2021	MIL	93	243	33	60	9	3	12	43	20	7	59	6	1	271	111	24	0	1	1	6	.247	.321	.457	.778
11	Dylan Carlson D. Carlson	2	2021	STL	149	542	79	144	31	4	18	65	57	11	152	2	1	619	237	53	1	8	2	5	.266	.343	.437	.780
12	Vladimir Guerrero Jr. V. Guerrero Jr.	2	2019	TOR	123	464	52	126	26	2	15	69	46	2	91	0	1	514	201	43	0	2	0	17	.272	.339	.433	.772
13	Garrett Cooper G. Cooper	2	2019	MIA	107	381	52	107	16	1	15	50	33	5	110	0	0	421	170	32	0	2	0	10	.281	.344	.446	.791
14	Eloy Jiménez E. Jiménez	2	2019	CWS	122	468	69	125	18	2	31	79	30	4	134	0	0	504	240	51	0	2	0	11	.267	.315	.513	.828
15	Rowdy Tellez R. Tellez	2	2019	TOR	111	370	49	84	19	0	21	54	29	7	116	1	1	409	166	40	0	3	3	9	.227	.293	.449	.742
16	Miguel Andujar M. Andujar	2	2018	NYY	149	573	83	170	47	2	27	92	25	4	97	2	1	606	302	76	0	4	2	9	.297	.328	.527	.855
17	Colin Moran C. Moran	2	2018	PIT	144	415	49	115	19	1	11	58	39	4	82	0	2	465	169	31	0	7	4	6	.277	.340	.407	.747
18	Taylor Motter T. Motter	2	2017	SEA	92	258	29	51	12	0	7	26	21	0	62	12	1	280	84	19	0	1	0	9	.198	.257	.326	.583
19	Kris Bryant K. Bryant	2	2015	CHC	151	559	87	154	31	5	26	99	77	9	199	13	4	650	273	62	0	5	0	7	.275	.369	.488	.858
20	Adeiny Hechavarria A. Hechavarria	2	2013	MIA	148	543	30	123	14	8	3	42	30	0	96	11	10	578	162	25	4	1	1	19	.227	.267	.298	.565
21	Ryan Kalish R. Kalish	2	2010	BOS	53	163	26	41	11	1	4	24	12	1	38	10	1	179	66	16	2	1	0	5	.252	.305	.405	.710
22	Danny Valencia D. Valencia	2	2010	MIN	85	299	30	93	18	1	7	40	20	0	46	2	0	322	134	26	0	3	0	11	.311	.351	.448	.799
23	Brooks Conrad B. Conrad	2	2010	ATL	103	156	31	39	11	1	8	33	16	1	45	5	1	177	76	20	4	0	0	0	.250	.324	.487	.811
24	Fred Lewis F. Lewis	2	2007	SFG	58	157	34	45	6	2	3	19	19	3	32	5	1	180	64	11	1	0	0	4	.287	.374	.408	.782
25	Ryan Howard R. Howard	2	2005	PHI	88	312	52	90	17	2	22	63	33	1	100	0	1	348	177	41	0	2	8	6	.288	.356	.567	.924