mlb most runs per game allowed by a team in a month since 1920

Since 1920, the Kansas City Royals have the most runs allowed per game pitched by a team in a month, with 17 in October 1995.

	TEAM	R/G	R	G	MONTH	W%	W	L	ERA	SO	SHO	SV	IP	H	ER	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Royals	17	17	1	October 1995	.000	0	1	18.00	7	0	0	8.0	19	16	2	5	0	0	48	0	7.88	5.63	1.40	2.25	14.6	10.4	3.00	.500	19.13	21.38
2	Mets	15	15	1	March 2003	.000	0	1	15.00	6	0	0	9.0	16	15	2	12	0	0	53	0	6.00	12.00	0.50	2.00	11.3	22.6	3.11	.424	15.00	16.00
3	Royals	14	14	1	October 2017	.000	0	1	12.00	8	0	0	9.0	16	12	2	8	0	0	52	0	8.00	8.00	1.00	2.00	15.4	15.4	2.67	.412	14.00	16.00
4	Rangers	14	14	1	March 2014	.000	0	1	14.00	8	0	0	9.0	17	14	3	6	0	0	50	1	8.00	6.00	1.33	3.00	16.0	12.0	2.56	.424	14.00	17.00
5	Tigers	13	13	1	March 2018	.000	0	1	7.62	10	0	0	13.0	17	11	1	4	0	0	58	0	6.92	2.77	2.50	0.69	17.2	6.9	1.62	.372	9.00	11.77
6	Blue Jays	12	12	1	October 2023	.000	0	1	12.00	9	0	0	9.0	16	12	3	3	1	0	47	2	9.00	3.00	3.00	3.00	19.1	6.4	2.11	.419	12.00	16.00
7	Twins	12	12	1	October 2000	.000	0	1	13.50	5	0	0	8.0	19	12	1	5	0	0	46	0	5.63	5.63	1.00	1.13	10.9	10.9	3.00	.514	13.50	21.38
8	Brewers	11.75	47	4	March 2025	.000	0	4	12.27	28	0	0	33.0	48	45	17	21	5	1	172	1	7.64	5.73	1.33	4.64	16.3	12.2	2.09	.307	12.82	13.09
9	Tigers	11.5	23	2	October 1921	.000	0	2	0.00	4	0	0	20.0	33	0	0	6	0		101	0	1.80	2.70	0.67	0.00	4.0	5.9	1.95	.363	10.35	14.85
10	Phillies	11	11	1	March 2023	.000	0	1	11.25	8	0	0	8.0	10	10	2	6	0	0	38	0	9.00	6.75	1.33	2.25	21.1	15.8	2.00	.364	12.38	11.25
11	Mets	11	11	1	October 2017	.000	0	1	11.25	11	0	0	8.0	11	10	2	7	0	0	42	0	12.38	7.88	1.57	2.25	26.2	16.7	2.25	.409	12.38	12.38
12	Nationals	11	11	1	October 2017	.000	0	1	11.00	10	0	0	9.0	14	11	0	7	2	0	48	0	10.00	7.00	1.43	0.00	20.8	14.6	2.33	.483	11.00	14.00
13	Pirates	11	11	1	March 2008	1.000	1	0	8.25	7	0	0	12.0	12	11	2	8	0	0	54	1	5.25	6.00	0.88	1.50	13.0	14.8	1.67	.270	8.25	9.00
14	Phillies	11	11	1	March 2008	.000	0	1	10.00	4	0	0	9.0	12	10	1	4	2	0	46	0	4.00	4.00	1.00	1.00	8.7	8.7	1.78	.314	11.00	12.00
15	Angels	11	11	1	October 2006	.000	0	1	9.90	3	0	0	10.0	17	11	1	8	1	0	53	0	2.70	7.20	0.38	0.90	5.7	15.1	2.50	.400	9.90	15.30
16	Brewers	11	11	1	March 2003	.000	0	1	9.00	5	0	0	8.0	12	8	2	6	0	1	43	0	5.63	6.75	0.83	2.25	11.6	14.0	2.25	.333	12.38	13.50
17	Tigers	11	11	1	October 2000	1.000	1	0	8.00	2	0	0	9.0	15	8	0	6	2	0	50	0	2.00	6.00	0.33	0.00	4.0	12.0	2.33	.375	11.00	15.00
18	Blue Jays	11	11	1	October 2000	.000	0	1	10.13	7	0	0	8.0	12	9	4	1	1	0	38	0	7.88	1.13	7.00	4.50	18.4	2.6	1.63	.320	12.38	13.50
19	Diamondbacks	11	11	1	October 2000	.000	0	1	10.00	11	0	0	9.0	12	10	2	8	2	0	50	1	11.00	8.00	1.38	2.00	22.0	16.0	2.22	.370	11.00	12.00
20	Rockies	11	33	3	October 1999	.333	1	2	9.67	22	0	0	27.0	41	29	6	15	1	3	135	1	7.33	5.00	1.47	2.00	16.3	11.1	2.07	.385	11.00	13.67
21	Cubs	11	11	1	March 1998	.000	0	1	12.38	9	0	0	8.0	14	11	2	4	1	0	43	1	10.13	4.50	2.25	2.25	20.9	9.3	2.25	.444	12.38	15.75
22	Devil Rays	11	11	1	March 1998	.000	0	1	11.00	7	0	0	9.0	18	11	1	2	0	0	47	0	7.00	2.00	3.50	1.00	14.9	4.3	2.22	.459	11.00	18.00
23	Diamondbacks	10.5	42	4	March 2019	.250	1	3	9.24	29	0	1	37.0	50	38	14	27	5	1	191	2	7.05	6.57	1.07	3.41	15.2	14.1	2.08	.310	10.22	12.16
24	White Sox	10.33	31	3	October 1920	.333	1	2	0.00	7	0	0	25.0	46	0	2	6	1		128	0	2.52	2.16	1.17	0.72	5.5	4.7	2.08	.393	11.16	16.56
25	Braves	10	10	1	October 2023	.000	0	1	10.00	1	0	0	9.0	15	10	0	6	0	1	47	0	1.00	6.00	0.17	0.00	2.1	12.8	2.33	.375	10.00	15.00