The Houston Astros allowed the most runs by a team in 2013, with 848 runs.

	TEAM	R	SEASON	G	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	Astros	848	2013	162	.315	51	111	162	4.79	1,084	2	1	32	1440.0	1,530	766	191	616	56	32	6,370	61	6.78	3.85	1.76	1.19	17.0	9.7	1.49	.303	5.30	9.56
2	Twins	788	2013	162	.407	66	96	162	4.55	985	1	1	40	1450.1	1,591	733	168	458	44	31	6,257	50	6.11	2.84	2.15	1.04	15.7	7.3	1.41	.309	4.89	9.87
3	Rockies	760	2013	162	.457	74	88	162	4.44	1,064	1	0	35	1436.0	1,545	708	136	517	40	52	6,248	62	6.67	3.24	2.06	0.85	17.0	8.3	1.44	.314	4.76	9.68
4	Blue Jays	756	2013	162	.457	74	88	162	4.25	1,208	4	2	39	1452.0	1,451	685	195	500	65	33	6,250	54	7.49	3.10	2.42	1.21	19.3	8.0	1.34	.293	4.69	8.99
5	Mariners	754	2013	162	.438	71	91	162	4.31	1,297	4	2	43	1465.0	1,467	702	174	478	42	48	6,257	74	7.97	2.94	2.71	1.07	20.7	7.6	1.33	.303	4.63	9.01
6	Phillies	749	2013	162	.451	73	89	162	4.32	1,199	6	2	32	1436.1	1,465	689	152	506	62	33	6,213	48	7.51	3.17	2.37	0.95	19.3	8.1	1.37	.306	4.69	9.18
7	Angels	737	2013	162	.481	78	84	162	4.23	1,200	4	2	41	1457.2	1,475	685	167	533	45	36	6,298	74	7.41	3.29	2.25	1.03	19.1	8.5	1.38	.300	4.55	9.11
8	White Sox	723	2013	162	.389	63	99	162	3.98	1,249	5	1	40	1455.0	1,424	643	182	509	60	24	6,214	62	7.73	3.15	2.45	1.13	20.1	8.2	1.33	.295	4.47	8.81
9	Orioles	709	2013	162	.525	85	77	162	4.20	1,169	2	1	57	1453.0	1,438	678	202	473	50	32	6,144	38	7.24	2.93	2.47	1.25	19.0	7.7	1.32	.291	4.39	8.91
10	Padres	700	2013	162	.469	76	86	162	3.98	1,171	3	1	40	1455.0	1,407	643	156	525	40	31	6,179	51	7.24	3.25	2.23	0.96	19.0	8.5	1.33	.292	4.33	8.70
11	Diamondbacks	695	2013	162	.500	81	81	162	3.92	1,218	6	2	38	1495.0	1,460	651	176	485	60	42	6,338	84	7.33	2.92	2.51	1.06	19.2	7.7	1.30	.292	4.18	8.79
12	Giants	691	2013	162	.469	76	86	162	4.00	1,256	2	2	41	1447.1	1,380	643	145	521	50	64	6,163	60	7.81	3.24	2.41	0.90	20.4	8.5	1.31	.295	4.30	8.58
13	Cubs	689	2013	162	.407	66	96	162	4.00	1,184	3	1	39	1448.0	1,332	643	160	540	62	43	6,149	59	7.36	3.36	2.19	0.99	19.3	8.8	1.29	.279	4.28	8.28
14	Brewers	687	2013	162	.457	74	88	162	3.84	1,125	4	2	40	1442.2	1,401	615	175	466	43	29	6,100	51	7.02	2.91	2.41	1.09	18.4	7.6	1.29	.286	4.29	8.74
15	Mets	684	2013	162	.457	74	88	162	3.77	1,209	4	2	40	1476.2	1,442	618	152	458	54	38	6,249	47	7.37	2.79	2.64	0.93	19.3	7.3	1.29	.295	4.17	8.79
16	Yankees	671	2013	162	.525	85	77	162	3.94	1,233	7	3	49	1447.1	1,452	633	171	437	51	34	6,128	57	7.67	2.72	2.82	1.06	20.1	7.1	1.31	.302	4.17	9.03
17	Indians	662	2013	162	.568	92	70	162	3.82	1,379	3	3	38	1441.1	1,359	611	147	554	58	26	6,154	71	8.61	3.46	2.49	0.92	22.4	9.0	1.33	.302	4.13	8.49
18	Red Sox	656	2013	162	.599	97	65	162	3.79	1,294	5	2	33	1454.0	1,366	613	156	524	47	10	6,143	47	8.01	3.24	2.47	0.97	21.1	8.5	1.30	.294	4.06	8.46
19	Marlins	646	2013	162	.383	62	100	162	3.71	1,177	2	1	36	1460.0	1,376	602	121	526	47	58	6,166	53	7.26	3.24	2.24	0.75	19.1	8.5	1.30	.292	3.98	8.48
20	Rays	646	2013	163	.564	92	71	163	3.74	1,310	9	3	42	1464.0	1,315	608	153	482	52	38	6,083	69	8.05	2.96	2.72	0.94	21.5	7.9	1.23	.284	3.97	8.08
21	Rangers	636	2013	163	.558	91	72	163	3.62	1,309	4	2	46	1463.1	1,370	589	157	498	48	35	6,146	68	8.05	3.06	2.63	0.97	21.3	8.1	1.28	.293	3.91	8.43
22	Nationals	626	2013	162	.531	86	76	162	3.59	1,236	6	4	47	1445.2	1,367	576	142	405	48	17	6,038	43	7.69	2.52	3.05	0.88	20.5	6.7	1.23	.291	3.90	8.51
23	Athletics	625	2013	162	.593	96	66	162	3.56	1,183	6	4	46	1452.0	1,339	574	163	428	35	23	6,069	56	7.33	2.65	2.76	1.01	19.5	7.1	1.22	.276	3.87	8.30
24	Tigers	624	2013	162	.574	93	69	162	3.61	1,428	3	1	39	1462.2	1,369	587	128	462	42	29	6,119	63	8.79	2.84	3.09	0.79	23.3	7.6	1.25	.306	3.84	8.42
25	Royals	601	2013	162	.531	86	76	162	3.45	1,208	5	2	52	1448.1	1,366	555	155	469	41	21	6,049	60	7.51	2.91	2.58	0.96	20.0	7.8	1.27	.290	3.73	8.49