Mariano Rivera had the most games pitched with exactly 0 walks allowed, with 890 games.

Interpreted as:

most regular-season games by a player with 0 walks allowed

	NAME	G	BB	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	GF	IBB	TBF	WP	K/9	BB/9	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Mariano Rivera M. Rivera	890	0	52	30	.634	1	1.57	865	0	0	562	966.0	679	169	180	48	37	788	0	3,563	8	8.06	0.00	0.45	24.3	0.0	0.70	.241	1.68	6.33
2	Mike Stanton M. Stanton	839	0	43	35	.551	0	2.68	611	0	0	69	771.2	679	230	246	59	24	275	0	2,946	16	7.13	0.00	0.69	20.7	0.0	0.88	.275	2.87	7.92
3	Jesse Orosco J. Orosco	803	0	47	25	.653	0	2.18	713	0	0	103	734.0	565	178	194	61	20	324	0	2,735	19	8.74	0.00	0.75	26.1	0.0	0.77	.260	2.38	6.93
4	Trevor Hoffman T. Hoffman	778	0	38	38	.500	0	2.12	830	0	0	497	796.1	555	188	208	69	8	661	0	2,937	24	9.38	0.00	0.78	28.3	0.0	0.70	.239	2.35	6.27
5	Mike Timlin M. Timlin	776	0	49	32	.605	0	2.56	615	0	0	118	847.1	761	241	263	85	29	358	0	3,252	14	6.53	0.00	0.90	18.9	0.0	0.90	.268	2.79	8.08
6	Dan Plesac D. Plesac	750	0	41	29	.586	1	2.63	685	0	0	122	680.0	588	199	216	73	10	315	0	2,599	17	9.07	0.00	0.97	26.4	0.0	0.86	.281	2.86	7.78
7	John Franco J. Franco	732	0	55	29	.655	0	1.97	598	0	0	311	777.0	669	170	195	50	12	529	0	2,955	25	6.93	0.00	0.58	20.2	0.0	0.86	.270	2.26	7.75
8	LaTroy Hawkins L. Hawkins	729	0	44	26	.629	14	2.72	541	1	0	99	781.2	763	236	258	66	7	285	0	3,041	31	6.23	0.00	0.76	17.8	0.0	0.98	.287	2.97	8.79
9	Kenley Jansen K. Jansen	703	0	38	23	.623	0	1.86	971	0	0	383	696.1	421	144	151	71	22	551	0	2,520	10	12.55	0.00	0.92	38.5	0.0	0.60	.240	1.95	5.44
10	Dennis Eckersley D. Eckersley	684	0	70	48	.593	80	2.91	958	23	4	352	1198.0	1,061	387	420	114	24	505	0	4,614	8	7.20	0.00	0.86	20.8	0.0	0.89	.269	3.16	7.97
11	Kent Tekulve K. Tekulve	675	0	56	37	.602	0	1.84	476	0	0	140	870.0	715	178	207	35	11	431	0	3,258	10	4.92	0.00	0.36	14.6	0.0	0.82	.249	2.14	7.40
12	Sergio Romo S. Romo	664	0	36	20	.643	2	2.25	643	0	0	125	591.2	436	148	159	61	21	259	0	2,206	14	9.78	0.00	0.93	29.1	0.0	0.74	.253	2.42	6.63
13	Chad Qualls C. Qualls	660	0	40	29	.580	0	3.04	489	0	0	64	618.1	583	209	228	63	21	219	0	2,406	16	7.12	0.00	0.92	20.3	0.0	0.94	.284	3.32	8.49
14	Mike Myers M. Myers	660	0	18	12	.600	0	3.33	328	0	0	14	389.2	367	144	156	40	32	143	0	1,527	4	7.58	0.00	0.92	21.5	0.0	0.94	.290	3.60	8.48
15	Lee Smith L. Smith	660	0	36	37	.493	1	1.99	757	0	0	361	770.1	628	170	188	53	5	557	0	2,896	20	8.84	0.00	0.62	26.1	0.0	0.82	.276	2.20	7.34
16	Todd Jones T. Jones	654	0	34	26	.567	1	2.69	562	0	0	250	686.0	639	205	222	55	24	443	0	2,659	14	7.37	0.00	0.72	21.1	0.0	0.93	.289	2.91	8.38
17	Michael Jackson M. Jackson	653	0	41	18	.695	0	2.32	592	0	0	116	702.2	549	181	195	74	32	299	0	2,633	19	7.58	0.00	0.95	22.5	0.0	0.78	.245	2.50	7.03
18	Joe Smith J. Smith	652	0	40	16	.714	0	1.83	523	0	0	26	572.0	423	116	129	40	29	139	0	2,114	14	8.23	0.00	0.63	24.7	0.0	0.74	.252	2.03	6.66
19	Roberto Hernandez R. Hernandez	650	0	39	25	.609	1	2.15	608	0	0	242	674.1	560	161	179	57	22	450	0	2,567	25	8.11	0.00	0.76	23.7	0.0	0.83	.268	2.39	7.47
20	Eddie Guardado E. Guardado	644	0	32	30	.516	3	2.88	545	0	0	151	584.2	487	187	204	89	14	318	0	2,223	12	8.39	0.00	1.37	24.5	0.0	0.83	.253	3.14	7.50
21	Doug Jones D. Jones	644	0	43	51	.457	1	2.73	637	0	0	253	799.0	786	242	273	59	26	519	0	3,163	15	7.18	0.00	0.66	20.1	0.0	0.98	.298	3.08	8.85
22	Alan Embree A. Embree	643	0	28	25	.528	1	3.22	473	0	0	20	536.2	485	192	203	54	13	165	0	2,068	13	7.93	0.00	0.91	22.9	0.0	0.90	.282	3.40	8.13
23	Francisco Rodriguez F. Rodriguez	638	0	28	18	.609	0	1.85	757	0	0	324	650.1	448	134	145	64	10	480	0	2,377	22	10.48	0.00	0.89	31.8	0.0	0.69	.248	2.01	6.20
24	Javier Lopez J. Lopez	635	0	29	5	.853	0	2.01	275	0	0	14	407.0	330	91	102	17	18	133	0	1,520	3	6.08	0.00	0.38	18.1	0.0	0.81	.259	2.26	7.30
25	Billy Wagner B. Wagner	621	0	32	23	.582	0	1.72	843	0	0	338	639.2	400	122	135	61	18	536	0	2,318	23	11.86	0.00	0.86	36.4	0.0	0.63	.243	1.90	5.63