who had the most home runs by a rookie first baseman

Pete Alonso has launched the most homers by a rookie first baseman, with 53 home runs in 2019.

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Pete Alonso P. Alonso	53	2019	NYM	161	597	103	155	30	2	120	72	21	183	1	0	693	348	85	0	3	6	13	.260	.358	.583	.941	126	38.4	.384	144	40.3
2	Mark McGwire M. McGwire	49	1987	OAK	151	557	97	161	28	4	118	71	5	131	1	1	641	344	81	0	8	8	6	.289	.370	.618	.987	124	45.2	.411	157	46.2
3	Cody Bellinger C. Bellinger	39	2017	LAD	132	480	87	128	26	4	97	64	1	146	10	3	548	279	69	0	3	13	5	.267	.352	.581	.933	94	27.3	.380	137	26.3
4	José Abreu J. Abreu	36	2014	CWS	145	556	80	176	35	2	107	51	11	131	3	1	622	323	73	0	4	15	14	.317	.383	.581	.964	115	48.3	.411	167	46.1
5	Hal Trosky Sr. H. Trosky Sr.	35	1934	CLE	154	625	117	206	45	9	142	58	2	49	2	2	685	374	89	0				.330	.388	.598	.987	139	52.9	.437	143	41.2
6	Walt Dropo W. Dropo	34	1950	BSA	136	559	101	180	28	8	144	45	5	75	0	0	609	326	70	0			16	.322	.378	.583	.961	115	39.3	.425	132	26.7
7	Ryan Mountcastle R. Mountcastle	33	2021	BAL	144	534	77	136	23	1	89	41	4	161	4	3	586	260	57	0	7	2	12	.255	.309	.487	.796	81	10	.335	111	7.8
8	Christian Walker C. Walker	29	2019	ARI	152	529	86	137	26	1	73	67	6	155	8	1	603	252	56	0	1	6	11	.259	.348	.476	.825	89	13.3	.346	111	8.9
9	Mark Trumbo M. Trumbo	29	2011	LAA	149	539	65	137	31	1	87	25	5	120	9	4	573	257	61	0	4	6	17	.254	.291	.477	.768	70	5.4	.328	108	5.7
10	Prince Fielder P. Fielder	28	2006	MIL	157	569	82	154	35	1	81	59	12	125	7	2	648	275	64	0	8	5	17	.271	.347	.483	.831	94	12.2	.354	110	8.8
11	David Justice D. Justice	28	1990	ATL	127	439	76	124	23	2	78	64	0	92	11	6	504	235	53	0	1	4	2	.282	.373	.535	.908	88	31.5	.400	145	26.3
12	Luke Easter L. Easter	28	1950	CLE	141	540	96	151	20	4	107	70	10	95	0	3	623	263	52	3			15	.280	.373	.487	.860	100	22.3	.390	122	18.7
13	Tony Clark T. Clark	27	1996	DET	100	376	56	94	14	0	72	29	0	127	0	1	411	189	41	0	6	1	7	.250	.299	.503	.802	54	1	.338	94	-3.6
14	Alvin Davis A. Davis	27	1984	SEA	152	567	80	161	34	3	116	97	7	78	5	4	678	282	64	0	7	16	7	.284	.391	.497	.888	113	37.1	.389	140	31.9
15	George Scott G. Scott	27	1966	BOS	162	601	73	147	18	7	90	65	8	152	4	0	681	260	52	2	5	13	25	.245	.324	.433	.757	85	13.2	.329	106	4.7
16	Norm Zauchin N. Zauchin	27	1955	BOS	130	477	65	114	10	0	93	69	3	105	3	0	556	205	37	1	6	1	8	.239	.335	.430	.765	72	7.7	.344	98	-1.3
17	Zeke Bonura Z. Bonura	27	1934	CWS	127	510	86	154	35	4	110	64	0	31	0	2	575	278	66	1				.302	.380	.545	.925	106	33.5	.414	131	25.2
18	Josh Bell J. Bell	26	2017	PIT	159	549	75	140	26	6	90	66	1	117	2	4	620	256	58	0	4	4	15	.255	.334	.466	.800	85	9.1	.338	108	6.5
19	Mark Teixeira M. Teixeira	26	2003	TEX	146	529	66	137	29	5	84	44	14	120	1	2	589	254	60	0	2	5	14	.259	.331	.480	.811	82	9.4	.347	105	3.5
20	Bobby Dalbec B. Dalbec	25	2021	BOS	133	417	50	100	21	5	78	28	7	156	2	0	453	206	51	0	1	1	3	.240	.298	.494	.792	62	7.3	.334	106	3.3
21	Todd Helton T. Helton	25	1998	COL	152	530	78	167	37	1	97	53	6	54	3	3	595	281	63	1	5	5	15	.315	.380	.530	.911	103	29.7	.391	114	10.4
22	Orlando Cepeda O. Cepeda	25	1958	SFG	148	603	88	188	38	4	96	29	3	84	15	11	644	309	67	0	9	7	18	.312	.342	.512	.854	97	24.5	.369	123	18.2
23	Dale Alexander D. Alexander	25	1929	DET	155	626	110	215	43	15	137	56	0	63	5	9	700	363	83	18				.343	.397	.580	.977	139	46.4	.431	143	40.9
24	Del Bissonette D. Bissonette	25	1928	BKN	155	587	90	188	30	13	106	70	4	75	5		669	319	68	8				.320	.396	.543	.940	124	42.6	.424	143	37.9
25	Triston Casas T. Casas	24	2023	BOS	132	429	66	113	21	2	65	70	1	126	0	0	502	210	47	0	2	2	7	.263	.367	.490	.856	82	20.4	.367	129	17.7