The Seattle Mariners have 3.32 walks allowed per game pitched all-time.

	TEAM	BB/G	BB	G	SEASON	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	Mariners	3.57	578	162	1977	.395	64	98	162	4.83	785	18	1	31	1433.0	1,508	769	855	194	61	41	6,282	51	4.93	3.63	1.36	1.22	12.5	9.2	1.46	.282	5.37	9.47
2	Mariners	3.54	567	160	1978	.350	56	104	160	4.67	630	28	4	20	1419.1	1,540	737	834	155	41	39	6,241	31	3.99	3.60	1.11	0.98	10.1	9.1	1.48	.286	5.29	9.77
3	Mariners	3.52	571	162	1979	.414	67	95	162	4.58	736	37	5	26	1438.0	1,567	731	820	165	33	74	6,314	43	4.61	3.57	1.29	1.03	11.7	9.0	1.49	.292	5.13	9.81
4	Mariners	3.31	540	163	1980	.364	59	103	163	4.38	703	31	3	26	1457.1	1,565	709	793	159	27	94	6,330	31	4.34	3.33	1.30	0.98	11.1	8.5	1.44	.287	4.90	9.66
5	Mariners	3.27	360	110	1981	.404	44	65	110	4.23	478	10	2	23	997.1	1,039	469	521	76	16	26	4,274	40	4.31	3.25	1.33	0.69	11.2	8.4	1.40	.288	4.70	9.38
6	Mariners	3.38	547	162	1982	.469	76	86	162	3.88	1,002	23	8	39	1476.1	1,431	636	712	173	25	23	6,251	47	6.11	3.33	1.83	1.05	16.0	8.8	1.34	.279	4.34	8.72
7	Mariners	3.36	544	162	1983	.370	60	102	162	4.12	910	25	7	39	1418.1	1,455	649	740	145	40	46	6,094	48	5.77	3.45	1.67	0.92	14.9	8.9	1.41	.294	4.70	9.23
8	Mariners	3.82	619	162	1984	.457	74	88	162	4.31	972	26	4	35	1442.0	1,497	690	774	138	40	53	6,302	47	6.07	3.86	1.57	0.86	15.4	9.8	1.47	.300	4.83	9.34
9	Mariners	3.93	637	162	1985	.457	74	88	162	4.68	868	23	5	30	1432.0	1,456	744	818	154	41	54	6,260	61	5.46	4.00	1.36	0.97	13.9	10.2	1.46	.286	5.14	9.15
10	Mariners	3.61	585	162	1986	.414	67	95	162	4.65	944	33	3	27	1439.2	1,590	744	835	171	49	27	6,345	46	5.90	3.66	1.61	1.07	14.9	9.2	1.51	.309	5.22	9.94
11	Mariners	3.07	497	162	1987	.481	78	84	162	4.49	919	39	6	33	1430.2	1,503	713	801	199	28	19	6,167	47	5.78	3.13	1.85	1.25	14.9	8.1	1.40	.288	5.04	9.46
12	Mariners	3.47	558	161	1988	.422	68	93	161	4.15	981	28	8	28	1428.0	1,385	659	744	144	36	57	6,092	50	6.18	3.52	1.76	0.91	16.1	9.2	1.36	.284	4.69	8.73
13	Mariners	3.46	560	162	1989	.451	73	89	162	4.00	897	15	5	44	1438.0	1,422	639	728	114	42	44	6,187	47	5.61	3.50	1.60	0.71	14.5	9.1	1.38	.286	4.56	8.90
14	Mariners	3.74	606	162	1990	.475	77	85	162	3.69	1,064	21	4	41	1443.1	1,319	592	680	120	41	55	6,165	69	6.63	3.78	1.76	0.75	17.3	9.8	1.33	.277	4.24	8.22
15	Mariners	3.88	628	162	1991	.512	83	79	162	3.79	1,003	10	5	48	1464.1	1,387	616	674	136	47	50	6,261	82	6.16	3.86	1.60	0.84	16.0	10.0	1.38	.281	4.14	8.52
16	Mariners	4.08	661	162	1992	.395	64	98	162	4.55	894	21	7	30	1445.0	1,467	730	799	129	60	50	6,349	61	5.57	4.12	1.35	0.80	14.1	10.4	1.47	.291	4.98	9.14
17	Mariners	3.73	605	162	1993	.506	82	80	162	4.20	1,083	22	5	41	1453.2	1,421	678	731	135	66	56	6,254	57	6.71	3.75	1.79	0.84	17.3	9.7	1.39	.295	4.53	8.80
18	Mariners	4.34	486	112	1994	.438	49	63	112	4.99	763	13	4	21	984.0	1,051	546	616	109	28	39	4,411	41	6.98	4.45	1.57	1.00	17.3	11.0	1.56	.311	5.63	9.61
19	Mariners	4.08	591	145	1995	.545	79	66	145	4.50	1,068	9	3	39	1289.1	1,343	644	708	149	47	37	5,743	50	7.46	4.13	1.81	1.04	18.6	10.3	1.50	.307	4.94	9.37
20	Mariners	3.76	605	161	1996	.528	85	76	161	5.21	1,000	4	2	34	1431.2	1,562	829	895	216	60	52	6,351	37	6.29	3.80	1.65	1.36	15.7	9.5	1.51	.301	5.63	9.82
21	Mariners	3.69	598	162	1997	.556	90	72	162	4.78	1,207	9	3	38	1447.2	1,500	769	833	192	66	36	6,368	57	7.50	3.72	2.02	1.19	19.0	9.4	1.45	.304	5.18	9.33
22	Mariners	3.28	528	161	1998	.472	76	85	161	4.93	1,156	17	5	31	1424.1	1,530	781	855	196	60	23	6,271	61	7.30	3.34	2.19	1.24	18.4	8.4	1.44	.308	5.40	9.67
23	Mariners	4.22	684	162	1999	.488	79	83	162	5.24	980	7	2	40	1433.2	1,613	834	905	191	71	39	6,471	63	6.15	4.29	1.43	1.20	15.1	10.6	1.60	.313	5.68	10.13
24	Mariners	3.91	634	162	2000	.562	91	71	162	4.49	998	4	4	44	1441.2	1,442	720	780	167	38	37	6,269	43	6.23	3.96	1.57	1.04	15.9	10.1	1.44	.288	4.87	9.00
25	Mariners	2.87	465	162	2001	.716	116	46	162	3.54	1,051	8	4	56	1465.0	1,293	576	627	160	64	28	6,096	40	6.46	2.86	2.26	0.98	17.2	7.6	1.20	.260	3.85	7.94
	Total	3.32	25,230	7,601		.477	3,628	3,971	7,601	4.29	49,953	587	152	1,828	67750.0	67,593	32,286	35,389	8,036	2,393	1,790	291,314	2,534	6.64	3.35	1.98	1.07	17.1	8.7	1.37	.290	4.70	8.98