The Washington Nationals have 4.37 runs allowed per game pitched all-time.

Interpreted as:

nationals average 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	Expos	4.88	791	162	1969	.321	52	110	162	4.33	973	26	8	21	1426.0	1,429	686	145	702	49	76	6,307	64	6.14	4.43	1.39	0.92	15.4	11.1	1.49	.289	4.99	9.02
2	Expos	4.98	807	162	1970	.451	73	89	162	4.50	914	29	10	32	1438.2	1,434	720	162	716	49	76	6,347	49	5.72	4.48	1.28	1.01	14.4	11.3	1.49	.282	5.05	8.97
3	Expos	4.5	729	162	1971	.441	71	90	162	4.12	829	48	8	25	1434.1	1,418	656	133	658	31	73	6,233	62	5.20	4.13	1.26	0.83	13.3	10.6	1.45	.280	4.57	8.90
4	Expos	3.9	609	156	1972	.449	70	86	156	3.59	888	39	10	23	1401.1	1,281	559	103	579	26	60	5,914	47	5.70	3.72	1.53	0.66	15.0	9.8	1.33	.273	3.91	8.23
5	Expos	4.33	702	162	1973	.488	79	83	162	3.71	866	26	5	38	1451.2	1,356	599	128	681	31	74	6,271	59	5.37	4.22	1.27	0.79	13.8	10.9	1.40	.269	4.35	8.41
6	Expos	4.08	657	161	1974	.491	79	82	161	3.60	822	35	6	27	1429.0	1,340	571	99	544	29	52	6,052	61	5.18	3.43	1.51	0.62	13.6	9.0	1.32	.272	4.14	8.44
7	Expos	4.26	690	162	1975	.463	75	87	162	3.72	831	30	9	25	1480.0	1,448	612	102	665	37	63	6,430	65	5.05	4.04	1.25	0.62	12.9	10.3	1.43	.281	4.20	8.81
8	Expos	4.53	734	162	1976	.340	55	107	162	3.99	783	26	8	21	1440.0	1,442	639	89	659	43	75	6,282	63	4.89	4.12	1.19	0.56	12.5	10.5	1.46	.287	4.59	9.01
9	Expos	4.54	736	162	1977	.463	75	87	162	4.01	856	31	9	33	1481.0	1,426	660	135	579	25	49	6,333	50	5.20	3.52	1.48	0.82	13.5	9.1	1.35	.272	4.47	8.67
10	Expos	3.77	611	162	1978	.469	76	86	162	3.42	740	42	9	32	1446.0	1,332	550	117	572	29	51	6,068	40	4.61	3.56	1.29	0.73	12.2	9.4	1.32	.264	3.80	8.29
11	Expos	3.63	581	160	1979	.594	95	65	160	3.14	813	33	13	39	1447.1	1,379	505	116	450	23	51	6,052	28	5.06	2.80	1.81	0.72	13.4	7.4	1.26	.272	3.61	8.58
12	Expos	3.88	629	162	1980	.556	90	72	162	3.48	823	33	10	36	1456.2	1,447	563	100	460	22	42	6,160	37	5.08	2.84	1.79	0.62	13.4	7.5	1.31	.283	3.89	8.94
13	Expos	3.65	394	108	1981	.556	60	48	108	3.30	520	20	8	23	975.0	902	357	58	268	18	21	4,008	28	4.80	2.47	1.94	0.54	13.0	6.7	1.20	.268	3.64	8.33
14	Expos	3.8	616	162	1982	.531	86	76	162	3.31	936	34	6	43	1460.2	1,371	538	110	448	22	49	6,083	47	5.77	2.76	2.09	0.68	15.4	7.4	1.25	.276	3.80	8.45
15	Expos	3.96	646	163	1983	.506	82	80	163	3.58	899	38	14	34	1471.0	1,406	585	120	479	33	50	6,151	38	5.50	2.93	1.88	0.73	14.6	7.8	1.28	.278	3.95	8.60
16	Expos	3.63	585	161	1984	.484	78	83	161	3.31	861	19	5	48	1431.0	1,333	526	114	474	21	54	5,956	40	5.42	2.98	1.82	0.72	14.5	8.0	1.26	.272	3.68	8.38
17	Expos	3.95	636	161	1985	.522	84	77	161	3.55	870	13	5	53	1457.0	1,346	574	99	509	21	70	6,109	46	5.37	3.14	1.71	0.61	14.2	8.3	1.27	.270	3.93	8.31
18	Expos	4.27	688	161	1986	.484	78	83	161	3.78	1,051	15	7	50	1466.1	1,350	616	119	566	33	61	6,208	49	6.45	3.47	1.86	0.73	16.9	9.1	1.31	.277	4.22	8.29
19	Expos	4.44	720	162	1987	.562	91	71	162	3.92	1,012	16	6	50	1450.1	1,428	631	145	446	26	45	6,151	47	6.28	2.77	2.27	0.90	16.5	7.3	1.29	.284	4.47	8.86
20	Expos	3.63	592	163	1988	.500	81	81	163	3.08	923	18	6	43	1482.2	1,310	508	122	476	36	61	6,129	39	5.60	2.89	1.94	0.74	15.1	7.8	1.20	.260	3.59	7.95
21	Expos	3.89	630	162	1989	.500	81	81	162	3.48	1,059	20	10	35	1468.1	1,344	567	120	519	31	62	6,152	40	6.49	3.18	2.04	0.74	17.2	8.4	1.27	.277	3.86	8.24
22	Expos	3.69	598	162	1990	.525	85	77	162	3.37	991	18	10	50	1473.1	1,349	551	127	510	38	76	6,173	27	6.05	3.12	1.94	0.78	16.1	8.3	1.26	.271	3.65	8.24
23	Expos	4.07	655	161	1991	.441	71	90	161	3.64	909	12	6	39	1440.1	1,304	583	111	584	32	42	6,061	51	5.68	3.65	1.56	0.69	15.0	9.6	1.31	.270	4.09	8.15
24	Expos	3.59	581	162	1992	.537	87	75	162	3.25	1,014	11	5	49	1468.0	1,296	530	92	525	50	41	6,139	48	6.22	3.22	1.93	0.56	16.5	8.6	1.24	.270	3.56	7.95
25	Expos	4.18	682	163	1993	.580	94	68	163	3.55	934	8	0	61	1456.2	1,369	574	119	521	47	38	6,191	46	5.77	3.22	1.79	0.74	15.1	8.4	1.30	.274	4.21	8.46
	Total	4.37	39,348	9,000		.481	4,331	4,665	9,000	3.97	58,430	790	251	2,187	80386.1	78,089	35,494	8,275	29,542	2,676	2,722	343,729	2,756	6.54	3.31	1.98	0.93	17.0	8.6	1.34	.285	4.41	8.74