The Pittsburgh Pirates gave up the most runs by a team in 2010, with 866 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	Pirates	866	2010	162	.352	57	105	162	5.00	1,026	1	1	31	1411.2	1,567	784	167	538	66	40	6,300	56	6.54	3.43	1.91	1.06	16.3	8.5	1.49	.311	5.52	9.99
2	Royals	845	2010	162	.414	67	95	162	4.97	1,035	7	1	44	1436.2	1,553	794	176	551	47	28	6,333	55	6.48	3.45	1.88	1.10	16.3	8.7	1.46	.304	5.29	9.73
3	Diamondbacks	836	2010	162	.401	65	97	162	4.81	1,070	3	1	35	1432.0	1,503	765	210	548	58	38	6,260	82	6.72	3.44	1.95	1.32	17.1	8.8	1.43	.296	5.25	9.45
4	Brewers	804	2010	162	.475	77	85	162	4.58	1,258	3	3	35	1439.0	1,487	733	173	582	48	42	6,324	71	7.87	3.64	2.16	1.08	19.9	9.2	1.44	.308	5.03	9.30
5	Orioles	785	2010	162	.407	66	96	162	4.59	1,007	3	0	35	1436.1	1,508	733	186	520	59	45	6,262	45	6.31	3.26	1.94	1.17	16.1	8.3	1.41	.294	4.92	9.45
6	Cubs	767	2010	162	.463	75	87	162	4.18	1,268	1	0	40	1436.2	1,409	668	154	605	65	42	6,298	46	7.94	3.79	2.10	0.96	20.1	9.6	1.40	.298	4.80	8.83
7	Indians	752	2010	162	.426	69	93	162	4.30	967	10	2	34	1433.0	1,477	684	147	572	66	36	6,224	54	6.07	3.59	1.69	0.92	15.5	9.2	1.43	.297	4.72	9.28
8	Red Sox	744	2010	162	.549	89	73	162	4.20	1,207	3	1	44	1456.2	1,402	679	152	580	53	30	6,267	58	7.46	3.58	2.08	0.94	19.3	9.3	1.36	.292	4.60	8.66
9	Tigers	743	2010	162	.500	81	81	162	4.30	1,056	6	1	32	1444.1	1,445	690	142	537	65	29	6,198	75	6.58	3.35	1.97	0.88	17.0	8.7	1.37	.296	4.63	9.00
10	Nationals	742	2010	162	.426	69	93	162	4.13	1,068	2	1	37	1435.0	1,469	658	151	512	46	57	6,214	33	6.70	3.21	2.09	0.95	17.2	8.2	1.38	.297	4.65	9.21
11	Astros	729	2010	162	.469	76	86	162	4.09	1,210	4	2	45	1439.1	1,446	654	140	548	40	39	6,221	57	7.57	3.43	2.21	0.88	19.5	8.8	1.39	.305	4.56	9.04
12	Blue Jays	728	2010	162	.525	85	77	162	4.22	1,184	5	2	45	1440.2	1,407	676	150	539	60	35	6,165	69	7.40	3.37	2.20	0.94	19.2	8.7	1.35	.297	4.55	8.79
13	Rockies	717	2010	162	.512	83	79	162	4.14	1,234	6	2	35	1442.0	1,405	663	139	525	56	54	6,143	77	7.70	3.28	2.35	0.87	20.1	8.5	1.34	.302	4.48	8.77
14	Marlins	717	2010	162	.494	80	82	162	4.08	1,168	5	2	39	1438.1	1,433	652	134	549	51	42	6,217	49	7.31	3.44	2.13	0.84	18.8	8.8	1.38	.301	4.49	8.97
15	White Sox	704	2010	162	.543	88	74	162	4.09	1,149	6	2	43	1446.1	1,471	658	136	490	34	41	6,180	59	7.15	3.05	2.34	0.85	18.6	7.9	1.36	.305	4.38	9.15
16	Angels	702	2010	162	.494	80	82	162	4.04	1,130	10	3	39	1449.1	1,422	651	148	565	46	33	6,252	80	7.02	3.51	2.00	0.92	18.1	9.0	1.37	.292	4.36	8.83
17	Mariners	698	2010	162	.377	61	101	162	3.93	973	11	2	38	1438.0	1,402	628	157	452	40	33	6,091	73	6.09	2.83	2.15	0.98	16.0	7.4	1.29	.279	4.37	8.77
18	Yankees	693	2010	162	.586	95	67	162	4.06	1,154	3	0	39	1442.1	1,349	651	179	540	62	37	6,102	69	7.20	3.37	2.14	1.12	18.9	8.8	1.31	.281	4.32	8.42
19	Dodgers	692	2010	162	.494	80	82	162	4.01	1,274	4	4	41	1441.2	1,323	643	134	539	58	75	6,141	58	7.95	3.36	2.36	0.84	20.7	8.8	1.29	.287	4.32	8.26
20	Rangers	687	2010	162	.556	90	72	162	3.93	1,181	7	0	46	1455.1	1,355	636	162	551	63	24	6,213	56	7.30	3.41	2.14	1.00	19.0	8.9	1.31	.280	4.25	8.38
21	Reds	685	2010	162	.562	91	71	162	4.01	1,130	4	2	43	1453.0	1,404	648	158	524	50	32	6,182	48	7.00	3.25	2.16	0.98	18.3	8.5	1.33	.288	4.24	8.70
22	Twins	671	2010	162	.580	94	68	162	3.95	1,048	9	3	40	1452.2	1,493	638	155	383	47	19	6,106	41	6.49	2.37	2.74	0.96	17.2	6.3	1.29	.299	4.16	9.25
23	Mets	652	2010	162	.488	79	83	162	3.70	1,106	8	4	36	1453.0	1,438	597	135	545	52	55	6,245	48	6.85	3.38	2.03	0.84	17.7	8.7	1.36	.296	4.04	8.91
24	Rays	649	2010	162	.593	96	66	162	3.78	1,189	6	3	51	1453.2	1,347	611	175	478	46	34	6,103	60	7.36	2.96	2.49	1.08	19.5	7.8	1.26	.278	4.02	8.34
25	Cardinals	641	2010	162	.531	86	76	162	3.57	1,094	7	3	32	1453.2	1,412	577	133	477	48	32	6,137	42	6.77	2.95	2.29	0.82	17.8	7.8	1.30	.292	3.97	8.74