Jim Ray Hart has launched the most homers by a Giants rookie, with 31 homers in 1964.

	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	Jim Ray Hart J. Ray Hart	31	1964	SFG	153	566	71	162	15	6	81	47	4	94	5	2	625	282	52	2	6	4	13	.286	.342	.498	.840	95	28.5	.367	135	24.7
2	Dave Kingman D. Kingman	29	1972	SFG	135	472	65	106	17	4	83	51	4	140	16	6	531	218	50	0	4	2	9	.225	.303	.462	.765	68	16.4	.347	116	9.2
3	Bobby Thomson B. Thomson	29	1947	NYG	138	545	105	154	26	5	85	40	4	78	1		591	277	60	2			11	.283	.336	.508	.844	89	21.9	.384	118	13.3
4	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
5	Heliot Ramos H. Ramos	22	2024	SFG	121	475	54	128	23	3	72	37	2	135	6	1	518	223	48	0	4	2	12	.269	.322	.469	.792	73	11.9	.339	120	12.4
6	Bill White B. White	22	1956	NYG	138	508	63	130	23	7	59	47	4	72	15	8	568	233	52	5	4	3	6	.256	.321	.459	.780	74	7.8	.343	108	5.5
7	Mike Yastrzemski M. Yastrzemski	21	2019	SFG	107	371	64	101	22	3	55	32	4	107	2	4	411	192	46	1	3	1	4	.272	.334	.518	.852	63	11.6	.353	121	11.1
8	Daryl Spencer D. Spencer	20	1953	NYG	118	408	55	85	18	5	56	42	3	74	0	1	455	173	43	2			11	.208	.287	.424	.711	48	-6.1	.319	81	-11.7
9	Willie Mays W. Mays	20	1951	NYG	121	464	59	127	22	5	68	57	2	60	7	4	524	219	47	1			11	.274	.356	.472	.828	78	16.8	.378	120	12.9
10	Chili Davis C. Davis	19	1982	SFG	154	641	86	167	27	6	76	45	2	115	24	13	701	263	52	7	6	2	13	.261	.308	.410	.719	79	0.6	.319	103	2.2
11	LaMonte Wade Jr. L. Wade Jr.	18	2021	SFG	109	336	52	85	17	3	56	33	5	89	6	1	381	162	38	4	3	1	3	.253	.326	.482	.808	55	9	.343	117	8.5
12	Buster Posey B. Posey	18	2010	SFG	108	406	58	124	23	2	67	30	4	55	0	2	443	205	43	0	3	5	12	.305	.357	.505	.862	69	17.9	.371	133	17.7
13	Tom Haller T. Haller	18	1962	SFG	99	272	53	71	13	1	55	51	4	59	1	4	331	140	32	3	1	1	3	.261	.384	.515	.899	58	19.7	.397	144	18
14	Danny Gardella D. Gardella	18	1945	NYG	121	430	54	117	10	1	71	46	5	55	2		484	183	29	3			9	.272	.349	.426	.775	67	14.1	.369	113	7.4
15	Babe Young B. Young	17	1940	NYG	149	556	75	159	27	4	101	69	2	28	4		632	245	48	5			11	.286	.367	.441	.807	94	17.9	.370	122	16.7
16	Chris Brown C. Brown	16	1985	SFG	131	432	50	117	20	3	61	38	11	78	2	3	482	191	39	1	0	4	19	.271	.345	.442	.787	67	12	.349	125	13.6
17	Tyler Fitzgerald T. Fitzgerald	15	2024	SFG	96	314	53	88	19	2	34	22	4	108	17	4	341	156	36	0	1	0	2	.280	.334	.497	.831	53	12.8	.357	132	13.1
18	Monte Irvin M. Irvin	15	1950	NYG	110	374	61	112	19	5	66	52	5	41	3		432	186	39	1			7	.299	.392	.497	.889	74	20.3	.404	133	18.4
19	Willie Kirkland W. Kirkland	14	1958	SFG	122	418	48	108	25	6	56	43	5	69	3	2	470	187	45	0	4	7	5	.258	.332	.447	.779	60	7.2	.339	104	2.6
20	Bob Schmidt B. Schmidt	14	1958	SFG	127	393	46	96	20	2	54	33	3	59	0	1	432	162	36	1	2	5	19	.244	.306	.412	.718	47	-1.5	.316	89	-5.7
21	Foster Castleman F. Castleman	14	1956	NYG	124	385	33	87	16	3	45	15	2	50	2	1	409	151	33	3	4	2	9	.226	.256	.392	.648	34	-13.7	.283	69	-15.4
22	Jack Graham J. Graham	14	1946	NYG	100	270	34	59	6	4	47	23	1	37	1		295	115	24	1			5	.219	.282	.426	.708	31	0.5	.331	95	-1.8
23	Blake Sabol B. Sabol	13	2023	SFG	110	310	36	73	10	0	44	24	6	117	4	2	344	122	23	2	2	0	4	.235	.301	.394	.695	38	-4.4	.303	91	-3.8
24	Jack Clark J. Clark	13	1977	SFG	136	413	64	104	17	4	51	49	2	73	12	4	468	168	34	1	3	2	7	.252	.332	.407	.739	57	2.1	.329	101	0.3
25	Willie McCovey W. McCovey	13	1959	SFG	52	192	32	68	9	5	38	22	4	35	2	0	219	126	27	0	1	1	7	.354	.429	.656	1.085	51	25.5	.467	185	23.5