The New York Mets have 4.21 runs allowed per game pitched all-time.

Interpreted as:

MLB nym avg runs per game allowed

	TEAM	R/G	R	G	SEASON	W%	W	L	GS	ERA	SO	CG	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	Mets	5.89	948	161	1962	.250	40	120	161	5.04	772	43	4	10	1430.0	1,577	801	192	571	52	28	6,365	71	4.86	3.59	1.35	1.21	12.1	9.0	1.50	.290	5.97	9.93
2	Mets	4.78	774	162	1963	.315	51	111	162	4.12	806	42	5	12	1427.2	1,452	654	162	529	48	26	6,208	57	5.08	3.33	1.52	1.02	13.0	8.5	1.39	.277	4.88	9.15
3	Mets	4.76	776	163	1964	.327	53	109	163	4.25	717	40	10	15	1438.2	1,511	680	130	466	50	24	6,190	53	4.49	2.92	1.54	0.81	11.6	7.5	1.37	.286	4.85	9.45
4	Mets	4.59	752	164	1965	.309	50	112	164	4.06	776	29	6	14	1454.2	1,462	656	147	498	49	29	6,232	53	4.80	3.08	1.56	0.91	12.5	8.0	1.35	.276	4.65	9.05
5	Mets	4.73	761	161	1966	.410	66	95	161	4.17	773	37	8	22	1427.0	1,497	661	166	521	35	57	6,177	76	4.88	3.29	1.48	1.05	12.5	8.4	1.41	.284	4.80	9.44
6	Mets	4.15	672	162	1967	.377	61	101	162	3.73	893	36	8	19	1433.2	1,369	594	124	536	28	88	6,100	54	5.61	3.36	1.67	0.78	14.6	8.8	1.33	.276	4.22	8.59
7	Mets	3.06	499	163	1968	.451	73	89	163	2.72	1,014	45	17	33	1483.1	1,250	449	87	430	45	67	6,028	59	6.15	2.61	2.36	0.53	16.8	7.1	1.13	.261	3.03	7.58
8	Mets	3.34	541	162	1969	.617	100	62	162	2.99	1,012	51	16	35	1468.1	1,217	487	119	517	29	70	6,027	56	6.20	3.17	1.96	0.73	16.8	8.6	1.18	.252	3.32	7.46
9	Mets	3.89	630	162	1970	.512	83	79	162	3.45	1,064	47	10	32	1459.2	1,260	559	135	575	26	96	6,134	48	6.56	3.55	1.85	0.83	17.3	9.4	1.26	.260	3.88	7.77
10	Mets	3.4	550	162	1971	.512	83	79	162	2.99	1,157	42	9	22	1466.1	1,227	487	100	529	40	63	6,078	41	7.10	3.25	2.19	0.61	19.0	8.7	1.20	.265	3.38	7.53
11	Mets	3.71	578	156	1972	.532	83	73	156	3.26	1,059	32	8	41	1414.2	1,263	513	118	486	30	63	5,897	53	6.74	3.09	2.18	0.75	18.0	8.2	1.24	.272	3.68	8.04
12	Mets	3.65	588	161	1973	.509	82	79	161	3.26	1,027	47	9	40	1465.0	1,345	531	127	490	23	67	6,127	39	6.31	3.01	2.10	0.78	16.8	8.0	1.25	.273	3.61	8.26
13	Mets	3.99	646	162	1974	.438	71	91	162	3.42	908	46	14	14	1470.1	1,433	558	99	504	27	78	6,228	40	5.56	3.09	1.80	0.61	14.6	8.1	1.32	.284	3.95	8.77
14	Mets	3.86	625	162	1975	.506	82	80	162	3.39	989	40	13	31	1466.0	1,344	552	99	580	24	64	6,190	48	6.07	3.56	1.71	0.61	16.0	9.4	1.31	.277	3.84	8.25
15	Mets	3.32	538	162	1976	.531	86	76	162	2.94	1,025	53	17	25	1449.0	1,248	473	97	419	23	56	5,908	43	6.37	2.60	2.45	0.60	17.3	7.1	1.15	.265	3.34	7.75
16	Mets	4.09	663	162	1977	.395	64	98	162	3.77	911	27	10	28	1433.2	1,378	601	118	490	32	76	6,061	25	5.72	3.08	1.86	0.74	15.0	8.1	1.30	.279	4.16	8.65
17	Mets	4.26	690	162	1978	.407	66	96	162	3.87	775	21	5	26	1455.1	1,447	626	114	531	28	94	6,165	33	4.79	3.28	1.46	0.70	12.6	8.6	1.36	.283	4.27	8.95
18	Mets	4.33	706	163	1979	.389	63	99	163	3.84	819	16	5	36	1482.2	1,486	633	120	607	24	107	6,357	45	4.97	3.68	1.35	0.73	12.9	9.5	1.41	.285	4.29	9.02
19	Mets	4.33	702	162	1980	.414	67	95	162	3.85	886	17	6	33	1451.1	1,473	621	140	510	21	77	6,204	38	5.49	3.16	1.74	0.87	14.3	8.2	1.37	.287	4.35	9.13
20	Mets	4.11	432	105	1981	.398	41	62	105	3.55	490	7	1	24	926.1	906	365	74	336	13	35	3,951	26	4.76	3.26	1.46	0.72	12.4	8.5	1.34	.274	4.20	8.80
21	Mets	4.46	723	162	1982	.401	65	97	162	3.88	759	15	3	37	1447.1	1,508	624	119	582	17	49	6,271	32	4.72	3.62	1.30	0.74	12.1	9.3	1.44	.290	4.50	9.38
22	Mets	4.2	680	162	1983	.420	68	94	162	3.68	717	18	5	33	1451.0	1,384	593	97	615	21	82	6,181	46	4.45	3.81	1.17	0.60	11.6	9.9	1.38	.272	4.22	8.58
23	Mets	4.17	676	162	1984	.556	90	72	162	3.60	1,028	12	6	50	1442.2	1,371	577	104	573	27	43	6,141	41	6.41	3.57	1.79	0.65	16.7	9.3	1.35	.287	4.22	8.55
24	Mets	3.51	568	162	1985	.605	98	64	162	3.11	1,039	32	12	37	1488.0	1,306	514	111	515	18	36	6,146	41	6.28	3.11	2.02	0.67	16.9	8.4	1.22	.268	3.44	7.90
25	Mets	3.57	578	162	1986	.667	108	54	162	3.11	1,083	27	7	46	1484.0	1,304	513	103	509	31	29	6,165	40	6.57	3.09	2.13	0.62	17.6	8.3	1.22	.271	3.51	7.91
	Total	4.21	42,670	10,134		.484	4,899	5,227	10,134	3.81	67,452	1,095	333	2,267	90657.2	86,954	38,359	8,913	32,342	2,777	3,181	385,500	2,863	6.70	3.21	2.09	0.88	17.5	8.4	1.32	.285	4.24	8.63