Since 2018, the Colorado Rockies have allowed the most runs by a team, with 6,063 runs.

	TEAM	R	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	Rockies	6,063	1,105	.422	466	639	1,105	5.20	8,258	6	3	250	9724.2	10,388	5,623	1,467	3,805	445	126	42,688	440	7.64	3.52	2.17	1.36	19.3	8.9	1.46	.311	5.61	9.61
2	Orioles	5,548	1,104	.438	484	620	1,104	4.73	8,788	5	2	250	9754.0	9,803	5,125	1,499	3,534	452	90	42,200	462	8.11	3.26	2.49	1.38	20.8	8.4	1.37	.297	5.12	9.05
3	Pirates	5,374	1,105	.429	474	631	1,105	4.55	9,145	8	4	241	9729.1	9,488	4,924	1,280	3,850	548	169	42,277	405	8.46	3.56	2.38	1.18	21.6	9.1	1.37	.299	4.97	8.78
4	Nationals	5,365	1,105	.446	493	612	1,105	4.62	9,115	7	2	255	9699.1	9,629	4,983	1,481	3,636	463	195	41,996	370	8.46	3.37	2.51	1.37	21.7	8.7	1.37	.298	4.98	8.93
5	Angels	5,363	1,104	.452	499	605	1,104	4.53	9,395	6	4	252	9759.2	9,251	4,917	1,414	3,973	496	174	42,122	490	8.66	3.66	2.36	1.30	22.3	9.4	1.35	.292	4.95	8.53
6	Royals	5,341	1,105	.415	459	646	1,105	4.62	8,645	10	2	250	9695.0	9,739	4,978	1,290	3,760	459	126	42,046	465	8.03	3.49	2.30	1.20	20.6	8.9	1.39	.303	4.96	9.04
7	Rangers	5,294	1,105	.452	499	606	1,105	4.53	8,841	13	5	238	9747.0	9,437	4,906	1,403	3,624	456	114	41,862	406	8.16	3.35	2.44	1.30	21.1	8.7	1.34	.292	4.89	8.71
8	White Sox	5,255	1,104	.424	468	636	1,104	4.43	9,494	15	7	227	9709.2	9,210	4,782	1,345	4,037	455	143	42,041	479	8.80	3.74	2.35	1.25	22.6	9.6	1.36	.294	4.87	8.54
9	Marlins	5,240	1,102	.419	462	640	1,102	4.44	9,258	15	5	240	9745.1	9,241	4,811	1,316	3,805	540	251	41,900	346	8.55	3.51	2.43	1.22	22.1	9.1	1.34	.294	4.84	8.53
10	Diamondbacks	5,235	1,104	.477	527	577	1,104	4.45	9,124	5	5	256	9814.2	9,511	4,851	1,383	3,580	411	220	42,053	338	8.37	3.28	2.55	1.27	21.7	8.5	1.33	.295	4.80	8.72
11	Red Sox	5,224	1,107	.527	583	524	1,107	4.35	10,012	9	4	283	9861.2	9,553	4,761	1,319	3,650	533	139	42,472	396	9.14	3.33	2.74	1.20	23.6	8.6	1.34	.305	4.77	8.72
12	Athletics	5,170	1,107	.474	525	582	1,107	4.40	8,733	8	8	258	9826.2	9,434	4,808	1,332	3,568	505	169	42,133	452	8.00	3.27	2.45	1.22	20.7	8.5	1.32	.289	4.74	8.64
13	Reds	5,162	1,105	.466	515	590	1,105	4.42	9,696	8	5	274	9754.0	9,145	4,788	1,432	3,829	515	181	41,951	338	8.95	3.53	2.53	1.32	23.1	9.1	1.33	.291	4.76	8.44
14	Tigers	5,154	1,103	.442	488	615	1,103	4.34	8,834	5	3	268	9737.2	9,348	4,692	1,343	3,401	439	90	41,622	386	8.16	3.14	2.60	1.24	21.2	8.2	1.31	.290	4.76	8.64
15	Blue Jays	5,046	1,104	.505	557	547	1,104	4.27	9,488	6	3	279	9765.0	9,277	4,628	1,411	3,515	468	138	41,694	328	8.74	3.24	2.70	1.30	22.8	8.4	1.31	.293	4.65	8.55
16	Phillies	4,960	1,105	.530	586	519	1,105	4.19	9,855	20	13	273	9782.1	9,300	4,551	1,299	3,336	438	159	41,566	338	9.07	3.07	2.95	1.20	23.7	8.0	1.29	.300	4.56	8.56
17	Twins	4,950	1,104	.517	571	533	1,104	4.21	9,714	6	3	269	9801.1	9,244	4,581	1,340	3,219	456	110	41,559	360	8.92	2.96	3.02	1.23	23.4	7.7	1.27	.295	4.55	8.49
18	Mariners	4,856	1,104	.520	574	530	1,104	4.08	9,219	11	4	296	9826.1	9,091	4,455	1,366	3,078	421	152	41,252	357	8.44	2.82	3.00	1.25	22.3	7.5	1.24	.284	4.45	8.33
19	Cubs	4,847	1,106	.514	569	537	1,106	4.04	9,332	7	4	275	9815.1	9,099	4,404	1,303	3,677	470	118	41,801	351	8.56	3.37	2.54	1.19	22.3	8.8	1.30	.289	4.44	8.34
20	Padres	4,766	1,104	.503	555	549	1,104	4.04	9,938	6	6	290	9800.1	8,927	4,402	1,264	3,394	505	127	41,465	371	9.13	3.12	2.93	1.16	24.0	8.2	1.26	.291	4.38	8.20
21	Cardinals	4,751	1,103	.529	584	519	1,103	4.03	8,646	11	5	301	9744.0	9,124	4,360	1,114	3,617	435	169	41,434	365	7.99	3.34	2.39	1.03	20.9	8.7	1.31	.290	4.39	8.43
22	Giants	4,745	1,105	.513	567	538	1,105	3.92	9,335	12	7	289	9849.0	9,197	4,288	1,117	3,271	424	143	41,579	352	8.53	2.99	2.85	1.02	22.5	7.9	1.27	.295	4.34	8.40
23	Mets	4,705	1,105	.521	576	529	1,105	3.99	10,051	11	7	267	9764.2	8,895	4,328	1,236	3,546	508	138	41,360	340	9.26	3.27	2.83	1.14	24.3	8.6	1.27	.294	4.34	8.20
24	Brewers	4,588	1,107	.559	619	488	1,107	3.82	10,096	4	2	327	9864.0	8,559	4,189	1,295	3,619	451	137	41,450	331	9.21	3.30	2.79	1.18	24.4	8.7	1.23	.280	4.19	7.81
25	Braves	4,558	1,102	.577	636	466	1,102	3.85	10,011	10	6	294	9802.0	8,770	4,188	1,172	3,632	451	186	41,374	391	9.19	3.33	2.76	1.08	24.2	8.8	1.27	.291	4.19	8.05