Max Scherzer has the most career no-hitters with exactly 0 walks allowed, with 2.

Interpreted as:

most regular-season no hitters by a player with no walks

	NAME	NH	BB	G	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	Max Scherzer M. Scherzer	2	0	93	48	15	.762	88	2.80	709	8	3	0	588.0	481	183	190	72	19	1	0	2,226	10	10.85	0.00	1.10	31.9	0.0	0.82	.287	2.91	7.36
2	John Means J. Means	1	0	27	8	11	.421	25	3.69	129	1	1	0	146.1	121	60	65	29	3	0	0	563	3	7.93	0.00	1.78	22.9	0.0	0.83	.229	4.00	7.44
3	Domingo Germán D. Germán	1	0	28	10	3	.769	18	2.99	137	1	1	0	126.1	96	42	45	20	5	4	0	479	3	9.76	0.00	1.42	28.6	0.0	0.76	.240	3.21	6.84
4	Joe Musgrove J. Musgrove	1	0	66	24	7	.774	46	2.43	303	1	1	2	300.0	249	81	83	23	23	6	0	1,157	7	9.09	0.00	0.69	26.2	0.0	0.83	.280	2.49	7.47
5	Carlos Rodón C. Rodón	1	0	35	18	7	.720	32	2.58	219	1	1	0	195.0	173	56	59	21	13	1	0	756	7	10.11	0.00	0.97	29.0	0.0	0.89	.302	2.72	7.98
6	Chris Heston C. Heston	1	0	8	5	1	.833	5	2.48	31	2	1	0	36.1	26	10	10	3	4	1	0	131	1	7.68	0.00	0.74	23.7	0.0	0.72	.247	2.48	6.44
7	Clayton Kershaw C. Kershaw	1	0	110	64	16	.800	108	1.69	819	13	8	0	741.1	524	139	159	49	12	0	0	2,713	26	9.94	0.00	0.59	30.2	0.0	0.71	.259	1.93	6.36
8	Dallas Braden D. Braden	1	0	18	4	4	.500	9	2.89	37	2	2	0	71.2	72	23	24	7	0	6	0	280	0	4.65	0.00	0.88	13.2	0.0	1.00	.275	3.01	9.04
9	Philip Humber P. Humber	1	0	29	4	0	1.000	7	2.95	59	1	1	0	73.1	69	24	24	3	2	13	0	287	3	7.24	0.00	0.37	20.6	0.0	0.94	.296	2.95	8.47
10	Jonathan Sanchez J. Sanchez	1	0	38	4	5	.444	8	4.09	77	1	1	0	72.2	70	33	37	12	7	11	0	292	5	9.54	0.00	1.49	26.4	0.0	0.96	.296	4.58	8.67
11	Matt Cain M. Cain	1	0	47	13	15	.464	41	3.30	224	7	4	0	270.0	243	99	106	27	5	2	0	1,045	5	7.47	0.00	0.90	21.4	0.0	0.90	.274	3.53	8.10
12	Felix Hernandez F. Hernandez	1	0	56	25	12	.676	56	2.63	359	9	4	0	379.2	332	111	125	30	16	0	0	1,455	22	8.51	0.00	0.71	24.7	0.0	0.87	.288	2.96	7.87
13	Mark Buehrle M. Buehrle	1	0	124	64	25	.719	106	2.91	433	15	5	0	754.1	749	244	267	75	21	5	0	2,950	4	5.17	0.00	0.89	14.7	0.0	0.99	.278	3.19	8.94
14	Roy Halladay R. Halladay	1	0	109	69	20	.775	102	2.51	607	26	10	0	761.1	682	212	233	58	29	3	0	2,941	10	7.18	0.00	0.69	20.6	0.0	0.90	.278	2.75	8.06
15	Kenny Rogers K. Rogers	1	0	233	43	22	.662	57	3.29	377	7	3	20	544.0	557	199	220	40	23	79	0	2,151	10	6.24	0.00	0.66	17.5	0.0	1.02	.302	3.64	9.22
16	Randy Johnson R. Johnson	1	0	89	52	17	.754	79	2.28	718	21	7	0	585.0	475	148	178	53	18	3	0	2,223	6	11.05	0.00	0.82	32.3	0.0	0.81	.294	2.74	7.31
17	David Wells D. Wells	1	0	254	91	37	.711	149	3.20	750	27	7	10	1184.1	1,159	421	456	121	26	46	0	4,641	28	5.70	0.00	0.92	16.2	0.0	0.98	.277	3.47	8.81
18	Kevin Brown K. Brown	1	0	81	43	19	.694	76	2.38	435	18	5	0	563.0	502	149	176	23	27	0	0	2,175	13	6.95	0.00	0.37	20.0	0.0	0.89	.283	2.81	8.02
19	Terry Mulholland T. Mulholland	1	0	305	32	31	.508	69	4.00	418	14	5	4	726.2	770	323	348	103	21	97	0	2,918	17	5.18	0.00	1.28	14.3	0.0	1.06	.281	4.31	9.54
20	David Cone D. Cone	1	0	49	29	9	.763	41	3.08	276	7	3	1	289.0	268	99	112	25	19	3	0	1,146	11	8.60	0.00	0.78	24.1	0.0	0.93	.294	3.49	8.35
21	Tom Browning T. Browning	1	0	64	29	17	.630	63	3.65	210	8	4	0	416.2	433	169	182	62	5	0	0	1,658	0	4.54	0.00	1.34	12.7	0.0	1.04	.269	3.93	9.35
22	Mike Witt M. Witt	1	0	48	13	10	.565	33	4.01	149	10	2	4	233.2	248	104	118	28	3	9	0	940	11	5.74	0.00	1.08	15.9	0.0	1.06	.289	4.54	9.55
23	Len Barker L. Barker	1	0	47	8	8	.500	21	3.80	126	5	2	3	170.2	166	72	75	13	2	15	0	671	9	6.64	0.00	0.69	18.8	0.0	0.97	.289	3.96	8.75
24	Dennis Martinez D. Martinez	1	0	159	49	26	.653	88	3.33	400	22	4	7	696.2	688	258	286	74	22	32	0	2,763	9	5.17	0.00	0.96	14.5	0.0	0.99	.271	3.69	8.89
25	Bob Forsch B. Forsch	1	0	107	35	13	.729	65	3.60	179	14	4	3	472.1	496	189	203	27	6	15	0	1,892	11	3.41	0.00	0.51	9.5	0.0	1.05	.279	3.87	9.45