Between the 1930 and 1939 seasons, Johnny Murphy had the most saves in a month, with 8 saves in May 1939.

Interpreted as:

most saves by a player in a month in the 1930s

	NAME	SV	MONTH	G	W	L	W%	GS	ERA	SO	CG	SHO	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Johnny Murphy J. Murphy	8	May 1939	10	1	0	1.000	0	4.34	10	0	0	18.2	18	9	9	0	8	0	9	79	0	4.82	3.86	1.25	0.00	12.7	10.1	1.39	.295	4.34	8.68
2	Clint Brown C. Brown	6	June 1937	8	0	0		0	0.87	3	0	0	10.1	4	1	1	0	4	0	7	38	0	2.61	3.48	0.75	0.00	7.9	10.5	0.77	.129	0.87	3.48
3	Wilcy Moore W. Moore	6	July 1933	9	0	0		0	4.11	1	0	0	15.1	18	7	9	0	4	0	8	64	1	0.59	2.35	0.25	0.00	1.6	6.3	1.43	.305	5.28	10.57
4	Clint Brown C. Brown	5	August 1939	12	2	3	.400	0	4.66	8	0	0	19.1	24	10	12	1	5	0	12	85	0	3.72	2.33	1.60	0.47	9.4	5.9	1.50	.324	5.59	11.17
5	Pete Appleton P. Appleton	5	August 1939	11	1	2	.333	0	4.85	10	0	0	26.0	29	14	18	2	12	2	10	123	0	3.46	4.15	0.83	0.69	8.1	9.8	1.58	.278	6.23	10.04
6	Clyde Shoun C. Shoun	5	August 1939	14	1	0	1.000	0	3.80	6	0	0	23.2	19	10	12	1	9	1	8	100	0	2.28	3.42	0.67	0.38	6.0	9.0	1.18	.217	4.56	7.23
7	Oral Hildebrand O. Hildebrand	5	September 1935	11	1	0	1.000	1	4.37	8	0	0	22.2	24	11	11	1	5	0	8	92	0	3.18	1.99	1.60	0.40	8.7	5.4	1.28	.295	4.37	9.53
8	Jack Russell J. Russell	5	June 1933	12	4	0	1.000	1	1.45	7	1	0	31.0	22	5	5	0	6	0	9	119	0	2.03	1.74	1.17	0.00	5.9	5.0	0.90	.208	1.45	6.39
9	Johnny Murphy J. Murphy	4	July 1939	9	0	1	.000	0	2.79	7	0	0	9.2	5	3	3	1	3	0	8	36	0	6.52	2.79	2.33	0.93	19.4	8.3	0.83	.160	2.79	4.66
10	Johnny Murphy J. Murphy	4	June 1939	7	0	2	.000	0	6.75	4	0	0	9.1	7	7	8	0	8	0	5	41	0	3.86	7.71	0.50	0.00	9.8	19.5	1.61	.241	7.71	6.75
11	Clint Brown C. Brown	4	May 1939	8	2	0	1.000	0	1.59	5	0	0	11.1	12	2	2	1	2	0	7	46	0	3.97	1.59	2.50	0.79	10.9	4.3	1.24	.289	1.59	9.53
12	Chubby Dean C. Dean	4	May 1939	11	2	1	.667	0	3.54	13	0	0	20.1	15	8	10	0	15	0	10	89	1	5.75	6.64	0.87	0.00	14.6	16.9	1.48	.246	4.43	6.64
13	Eddie Smith E. Smith	4	August 1938	13	1	3	.250	0	3.93	21	0	0	34.1	31	15	21	4	21	0	11	156	0	5.50	5.50	1.00	1.05	13.5	13.5	1.51	.245	5.50	8.13
14	Johnny Murphy J. Murphy	4	August 1937	11	4	1	.800	0	3.75	11	0	0	24.0	30	10	11	2	8	0	9	107	0	4.13	3.00	1.38	0.75	10.3	7.5	1.58	.326	4.13	11.25
15	Clint Brown C. Brown	4	May 1937	10	1	1	.500	0	3.54	12	0	0	20.1	17	8	9	1	8	0	8	82	0	5.31	3.54	1.50	0.44	14.6	9.8	1.23	.262	3.98	7.52
16	Dizzy Dean D. Dean	4	September 1936	12	2	5	.286	6	2.54	45	5	1	56.2	47	16	20	2	10	0	6	228	2	7.15	1.59	4.50	0.32	19.7	4.4	1.01	.263	3.18	7.46
17	Dick Coffman D. Coffman	4	August 1936	8	2	1	.667	0	0.66	1	0	0	13.2	13	1	2	0	5	0	5	58	0	0.66	3.29	0.20	0.00	1.7	8.6	1.32	.250	1.32	8.56
18	Dizzy Dean D. Dean	4	June 1936	10	4	2	.667	6	4.13	26	5	0	52.1	62	24	24	7	10	0	4	223	1	4.47	1.72	2.60	1.20	11.7	4.5	1.38	.306	4.13	10.66
19	Syl Johnson S. Johnson	4	June 1935	12	7	0	1.000	5	2.56	28	5	1	52.2	45	15	16	6	3	1	6	206	0	4.78	0.51	9.33	1.03	13.6	1.5	0.91	.232	2.73	7.69
20	Lloyd Brown L. Brown	4	July 1934	11	1	2	.333	2	4.50	8	0	0	18.0	15	9	13	1	12	0	7	78	0	4.00	6.00	0.67	0.50	10.3	15.4	1.50	.246	6.50	7.50
21	Jack Russell J. Russell	4	August 1933	11	2	2	.500	0	3.82	8	0	0	30.2	31	13	13	1	13	0	7	126	0	2.35	3.82	0.62	0.29	6.3	10.3	1.43	.288	3.82	9.10
22	Lefty Grove L. Grove	4	May 1933	10	4	0	1.000	1	2.17	13	0	0	29.0	20	7	7	1	15	0	8	119	0	4.03	4.66	0.87	0.31	10.9	12.6	1.21	.211	2.17	6.21
23	Lloyd Brown L. Brown	4	September 1932	8	1	2	.333	1	4.42	8	0	0	18.1	21	9	12	1	4	0	7	74	2	3.93	1.96	2.00	0.49	10.8	5.4	1.36	.328	5.89	10.31
24	George Uhle G. Uhle	4	August 1932	11	0	1	.000	0	5.40	8	0	0	18.1	18	11	12	2	6	1	10	81	0	3.93	2.95	1.33	0.98	9.9	7.4	1.31	.250	5.89	8.84
25	Jack Quinn J. Quinn	4	July 1932	9	1	1	.500	0	2.65	3	0	0	17.0	19	5	6	0	8	0	8	77	0	1.59	4.24	0.38	0.00	3.9	10.4	1.59	.288	3.18	10.06