Rudy York has the most RBIs by a rookie in a month, with 50 RBIs in August 1937.

	NAME	RBI	MONTH	G	AB	R	H	2B	3B	HR	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Rudy York R. York	50	August 1937	30	113	27	41	5	2	18	13	0	14	1		126	104	25	0				.363	.429	.920	1.349
2	Bob Meusel B. Meusel	42	July 1920	33	124	25	49	17	0	7	6	0	18	0		135	87	24	5				.395	.423	.702	1.125
3	Hal Trosky Sr. H. Trosky Sr.	38	July 1934	33	139	32	54	13	3	7	12	1	7	1		152	94	23	0				.388	.441	.676	1.117
4	Walt Dropo W. Dropo	37	June 1950	29	133	26	46	8	3	7	8	2	14	0		143	81	18	0			3	.346	.392	.609	1.001
5	Frank Malzone F. Malzone	36	June 1957	29	116	18	48	7	1	5	10	1	6	0	0	127	72	13	0	0	0	3	.414	.465	.621	1.085
6	Ted Williams T. Williams	36	August 1939	32	121	28	35	5	2	6	21	0	8	1		143	62	13	1			4	.289	.394	.512	.907
7	Ed Coleman E. Coleman	35	June 1933	31	130	19	38	11	1	2	8	0	20	0		139	57	14	1				.292	.333	.438	.772
8	Mandy Brooks M. Brooks	34	June 1925	26	103	25	42	10	4	9	5	0	6	5		111	87	23	3				.408	.435	.845	1.280
9	Aristides Aquino A. Aquino	33	August 2019	29	103	22	33	4	0	14	10	2	26	2	0	115	79	18	0	0	2	4	.320	.391	.767	1.158
10	Walt Dropo W. Dropo	33	May 1950	29	115	18	40	4	1	10	9	1	17	0		125	76	15	0			1	.348	.400	.661	1.061
11	Maurice Vanrobays M. Vanrobays	33	September 1940	34	141	26	37	5	0	5	6	1	13	0		148	57	10	0			4	.262	.297	.404	.702
12	Jeff Heath J. Heath	33	August 1938	38	162	31	58	8	7	4	6	0	15	1		168	92	19	0				.358	.381	.568	.949
13	Aaron Judge A. Judge	32	September 2017	27	90	29	28	7	0	15	28	0	32	2	0	121	80	22	0	3	1	1	.311	.463	.889	1.352
14	James Loney J. Loney	32	September 2007	28	110	18	42	7	1	9	9	0	17	0	0	119	78	17	0	0	2	2	.382	.429	.709	1.138
15	Fred Lynn F. Lynn	32	June 1975	31	123	29	40	6	4	7	15	1	18	2	0	140	75	17	1	0	3	4	.325	.403	.610	1.013
16	Al Rosen A. Rosen	32	June 1950	29	107	28	33	3	3	11	19	1	7	0		128	75	17	1			7	.308	.417	.701	1.118
17	Smead Jolley S. Jolley	32	July 1930	37	156	21	52	13	3	4	4	0	9	0		162	83	20	2				.333	.350	.532	.882
18	José Abreu J. Abreu	31	April 2014	28	111	19	29	7	1	10	9	3	28	0	0	124	68	18	0	1	3	2	.261	.331	.613	.943
19	Garret Anderson G. Anderson	31	July 1995	25	105	22	43	8	0	7	3	0	17	0	1	109	72	15	0	1	0	4	.410	.422	.686	1.108
20	Dick Gernert D. Gernert	31	July 1952	29	109	20	26	5	1	9	13	1	31	1	0	123	60	15	0			2	.239	.325	.550	.876
21	Luke Easter L. Easter	31	June 1950	29	118	30	39	5	1	11	15	0	18	0		133	79	17	0			3	.331	.406	.669	1.076
22	Maurice Vanrobays M. Vanrobays	31	July 1940	30	118	22	36	8	4	3	4	0	12	2		123	61	15	1			5	.305	.328	.517	.845
23	Ted Williams T. Williams	31	May 1939	25	101	14	26	6	1	7	10	0	15	1		111	55	14	0			1	.257	.324	.545	.869
24	Jeff Heath J. Heath	31	September 1938	29	120	25	45	9	2	10	5	0	19	0		126	88	21	1				.375	.400	.733	1.133
25	Hal Trosky Sr. H. Trosky Sr.	31	September 1934	31	122	22	42	8	2	7	16	0	8	1		138	75	17	0				.344	.420	.615	1.035