The Cincinnati Reds allowed the most walks by a team in 2021, with 617 allowed.

	TEAM	BB	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Reds	617	2021	162	.512	83	79	162	4.40	1,524	1	1	41	1434.1	1,330	702	760	206	64	30	6,199	62	9.56	3.87	2.47	1.29	24.6	10.0	1.36	.297	4.77	8.35
2	Cardinals	608	2021	162	.556	90	72	162	3.98	1,225	3	1	50	1417.0	1,234	626	672	152	85	30	6,046	66	7.78	3.86	2.01	0.97	20.3	10.1	1.30	.272	4.27	7.84
3	Pirates	606	2021	162	.377	61	101	162	5.08	1,312	0	0	25	1396.1	1,400	788	833	213	78	26	6,140	55	8.46	3.91	2.17	1.37	21.4	9.9	1.44	.302	5.37	9.02
4	Cubs	596	2021	162	.438	71	91	162	4.87	1,358	1	0	40	1412.2	1,386	765	839	235	98	25	6,202	60	8.65	3.80	2.28	1.50	21.9	9.6	1.40	.294	5.35	8.83
5	Angels	592	2021	162	.475	77	85	162	4.69	1,453	1	0	39	1421.2	1,373	741	804	188	76	18	6,196	56	9.20	3.75	2.45	1.19	23.5	9.6	1.38	.305	5.09	8.69
6	Royals	591	2021	162	.457	74	88	162	4.64	1,344	1	0	37	1417.1	1,375	731	788	189	62	16	6,127	86	8.53	3.75	2.27	1.20	21.9	9.6	1.39	.301	5.00	8.73
7	Tigers	571	2021	162	.475	77	85	162	4.32	1,259	2	1	42	1419.2	1,370	681	756	199	82	10	6,164	80	7.98	3.62	2.20	1.26	20.4	9.3	1.37	.289	4.79	8.69
8	Orioles	563	2021	162	.321	52	110	162	5.84	1,234	1	1	26	1402.0	1,518	910	956	258	68	12	6,252	88	7.92	3.61	2.19	1.66	19.7	9.0	1.48	.305	6.14	9.74
9	Diamondbacks	555	2021	162	.321	52	110	162	5.11	1,238	3	3	22	1417.1	1,480	804	893	232	75	45	6,270	43	7.86	3.52	2.23	1.47	19.7	8.9	1.44	.299	5.67	9.40
10	Astros	549	2021	162	.586	95	67	162	3.78	1,456	2	0	34	1445.0	1,231	607	658	187	70	12	6,060	72	9.07	3.42	2.65	1.16	24.0	9.1	1.23	.275	4.10	7.67
11	Nationals	548	2021	162	.401	65	97	162	4.80	1,346	1	0	36	1394.1	1,364	743	820	247	71	46	6,073	43	8.69	3.54	2.46	1.59	22.2	9.0	1.37	.289	5.29	8.80
12	Red Sox	546	2021	162	.568	92	70	162	4.26	1,527	0	0	49	1419.0	1,409	671	749	176	79	31	6,147	63	9.68	3.46	2.80	1.12	24.8	8.9	1.38	.323	4.75	8.94
13	Rockies	539	2021	161	.460	74	87	161	4.82	1,269	3	1	33	1397.0	1,397	748	796	196	63	19	6,044	67	8.18	3.47	2.35	1.26	21.0	8.9	1.39	.302	5.13	9.00
14	Brewers	537	2021	162	.586	95	67	162	3.50	1,618	2	1	44	1436.0	1,156	558	623	168	77	19	5,990	60	10.14	3.37	3.01	1.05	27.0	9.0	1.18	.275	3.90	7.25
15	Marlins	529	2021	162	.414	67	95	162	3.96	1,381	1	0	33	1415.0	1,282	622	701	162	88	43	6,027	58	8.78	3.36	2.61	1.03	22.9	8.8	1.28	.290	4.46	8.15
16	Indians	522	2021	162	.494	80	82	162	4.34	1,391	0	0	39	1408.0	1,281	679	727	216	59	12	5,968	52	8.89	3.34	2.66	1.38	23.3	8.7	1.28	.282	4.65	8.19
17	Braves	516	2021	161	.547	88	73	161	3.88	1,417	2	2	40	1410.2	1,237	608	656	183	66	34	5,944	73	9.04	3.29	2.75	1.17	23.8	8.7	1.24	.280	4.19	7.89
18	Padres	516	2021	162	.488	79	83	162	4.10	1,517	2	2	43	1430.0	1,277	651	708	205	87	33	6,056	57	9.55	3.25	2.94	1.29	25.0	8.5	1.25	.287	4.46	8.04
19	Rangers	513	2021	162	.370	60	102	162	4.79	1,239	0	0	31	1424.1	1,402	758	815	232	61	11	6,103	67	7.83	3.24	2.42	1.47	20.3	8.4	1.34	.288	5.15	8.86
20	Phillies	509	2021	162	.506	82	80	162	4.39	1,480	5	4	36	1418.2	1,321	692	745	200	75	37	6,055	49	9.39	3.23	2.91	1.27	24.4	8.4	1.29	.296	4.73	8.38
21	Yankees	492	2021	162	.568	92	70	162	3.74	1,569	3	2	47	1435.1	1,243	596	669	196	56	10	5,999	85	9.84	3.08	3.19	1.23	26.2	8.2	1.21	.284	4.19	7.79
22	Dodgers	486	2021	162	.654	106	56	162	3.01	1,599	1	0	56	1452.0	1,107	486	561	161	63	43	5,948	52	9.91	3.01	3.29	1.00	26.9	8.2	1.10	.260	3.48	6.86
23	White Sox	485	2021	162	.574	93	69	162	3.73	1,588	4	3	43	1403.1	1,205	581	636	182	51	16	5,861	84	10.18	3.11	3.27	1.17	27.1	8.3	1.20	.288	4.08	7.73
24	Mariners	485	2021	162	.556	90	72	162	4.30	1,328	1	0	51	1440.1	1,356	688	748	197	69	23	6,106	58	8.30	3.03	2.74	1.23	21.7	7.9	1.28	.288	4.67	8.47
25	Twins	484	2021	162	.451	73	89	162	4.83	1,317	1	0	42	1419.1	1,392	762	834	239	62	13	6,080	48	8.35	3.07	2.72	1.52	21.7	8.0	1.32	.290	5.29	8.83