most games 1 runs or under by starting pitcher

Roger Clemens had the most games pitched by a starting pitcher when allowing at most 1 run, with 255 games.

Interpreted as:

most regular-season games 1 runs or under by starting pitcher

	NAME	G	R	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Roger Clemens R. Clemens	255	149	202	6	.971	255	0.63	1,921	74	46	0	1934.0	1,104	135	33	497	44	0	8	7,267	29	8.94	2.31	3.87	0.15	26.4	6.8	0.83	.224	0.69	5.14
2	Nolan Ryan N. Ryan	244	128	179	14	.927	244	0.51	2,032	106	61	0	1847.2	810	104	15	768	35	0	9	6,966	56	9.90	3.74	2.65	0.07	29.2	11.0	0.85	.193	0.62	3.95
3	Walter Johnson W. Johnson	242	125	212	24	.898	242	0.27	1,388	215	108	0	2150.0	1,213		6	395	56	0		7,903	40	5.81	1.65	3.51	0.03	17.6	5.0	0.75	.199	0.52	5.08
4	Greg Maddux G. Maddux	231	123	177	6	.967	231	0.60	1,170	62	35	0	1693.1	1,057	112	23	236	27	0	30	6,222	14	6.22	1.25	4.96	0.12	18.8	3.8	0.76	.217	0.65	5.62
5	Don Sutton D. Sutton	228	142	173	13	.930	228	0.63	1,227	105	58	0	1833.2	1,078	129	43	377	16	0	19	6,822	24	6.02	1.85	3.25	0.21	18.0	5.5	0.79	.201	0.70	5.29
6	Tom Glavine T. Glavine	216	147	159	9	.946	216	0.78	950	44	25	0	1565.2	1,033	136	43	393	19	0	20	5,948	14	5.46	2.26	2.42	0.25	16.0	6.6	0.91	.218	0.85	5.94
7	Tom Seaver T. Seaver	206	120	167	10	.944	206	0.58	1,347	124	61	0	1713.2	948	110	30	378	19	0	25	6,341	27	7.07	1.99	3.56	0.16	21.2	6.0	0.77	.201	0.63	4.98
8	Clayton Kershaw C. Kershaw	203	104	146	4	.973	203	0.62	1,515	21	15	0	1389.2	767	96	29	263	13	0	7	5,090	43	9.81	1.70	5.76	0.19	29.8	5.2	0.74	.226	0.67	4.97
9	Zack Greinke Z. Greinke	200	117	128	13	.908	200	0.74	1,199	12	5	0	1336.0	856	110	46	231	18	0	2	4,987	32	8.08	1.56	5.19	0.31	24.0	4.6	0.81	.232	0.79	5.77
10	Steve Carlton S. Carlton	194	116	157	11	.935	194	0.59	1,290	125	55	0	1624.0	965	107	30	432	15	0	21	6,099	43	7.15	2.39	2.99	0.17	21.2	7.1	0.86	.216	0.64	5.35
11	Tommy John T. John	192	115	143	13	.917	192	0.59	758	90	46	0	1516.1	1,006	99	25	299	24	0	21	5,668	26	4.50	1.77	2.54	0.15	13.4	5.3	0.86	.215	0.68	5.97
12	Gaylord Perry G. Perry	190	126	155	13	.923	190	0.60	1,092	143	53	0	1648.2	979	109	26	324	22	0	21	6,110	25	5.96	1.77	3.37	0.14	17.9	5.3	0.79	.205	0.69	5.34
13	Justin Verlander J. Verlander	189	110	145	11	.929	189	0.67	1,389	17	9	0	1327.2	736	99	48	305	39	0	5	4,951	22	9.42	2.07	4.55	0.33	28.1	6.2	0.78	.217	0.75	4.99
14	Bert Blyleven B. Blyleven	186	110	152	11	.933	186	0.58	1,221	120	60	0	1542.1	914	99	29	329	41	0	11	5,739	18	7.12	1.92	3.71	0.17	21.3	5.7	0.81	.215	0.64	5.33
15	Randy Johnson R. Johnson	185	102	157	4	.975	185	0.58	1,782	57	37	0	1415.2	751	92	32	334	40	0	4	5,253	26	11.33	2.12	5.34	0.20	33.9	6.4	0.77	.235	0.65	4.77
16	Max Scherzer M. Scherzer	182	104	125	7	.947	182	0.72	1,456	7	5	0	1208.0	667	97	45	269	43	0	5	4,500	11	10.85	2.00	5.41	0.34	32.4	6.0	0.77	.231	0.77	4.97
17	Grover Alexander G. Alexander	177	86	162	10	.942	177	0.38	699	171	90	0	1595.2	995		13	204	11	0		5,840	5	3.94	1.15	3.43	0.07	12.0	3.5	0.75	.200	0.49	5.61
18	Jim Palmer J. Palmer	173	103	147	6	.961	173	0.58	816	116	53	0	1447.2	837	93	29	372	11	0	3	5,420	20	5.07	2.31	2.19	0.18	15.1	6.9	0.84	.193	0.64	5.20
19	Jon Lester J. Lester	171	102	119	6	.952	171	0.75	1,092	11	4	0	1147.2	721	96	29	301	33	0	4	4,356	21	8.56	2.36	3.63	0.23	25.1	6.9	0.89	.239	0.80	5.65
20	Phil Niekro P. Niekro	170	104	135	12	.918	170	0.59	873	99	45	0	1391.2	865	92	28	343	20	0	5	5,244	36	5.65	2.22	2.55	0.18	16.6	6.5	0.87	.210	0.67	5.59
21	Warren Spahn W. Spahn	166	103	156	8	.951	166	0.55	768	160	63	0	1496.1	929	92	29	310	5	0	7	5,586	13	4.62	1.86	2.48	0.17	13.7	5.5	0.83	.201	0.62	5.59
22	CC Sabathia	162	96	118	6	.952	162	0.71	1,054	19	12	0	1120.2	676	89	29	299	37	0	7	4,239	14	8.46	2.40	3.53	0.23	24.9	7.1	0.87	.229	0.77	5.43
23	Pedro Martinez P. Martinez	162	87	125	4	.969	162	0.61	1,372	27	17	0	1175.0	615	79	28	237	52	0	7	4,324	19	10.51	1.82	5.79	0.21	31.7	5.5	0.73	.223	0.67	4.71
24	Andy Pettitte A. Pettitte	158	108	125	4	.969	158	0.80	831	17	4	0	1099.2	785	98	28	254	16	0	3	4,204	17	6.80	2.08	3.27	0.23	19.8	6.0	0.94	.246	0.88	6.42
25	Tim Hudson T. Hudson	156	93	123	2	.984	156	0.70	796	19	13	0	1137.0	721	88	22	265	32	0	16	4,259	17	6.30	2.10	3.00	0.17	18.7	6.2	0.87	.222	0.74	5.71