which pitcher has the most career scoreless starts allowing 1 earned runs or less in the playoffs

Tom Glavine has the most career starts in the postseason when allowing 1 or fewer earned run, with 17 starts.

	NAME	GS	ER	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Tom Glavine T. Glavine	17	11	17	10	5	.667	0.82	90	2	0	0	121.1	77	16	4	40	1	0	3	459	2	6.68	2.97	2.25	0.30	19.6	8.7	0.96	.225	1.19	5.71
2	Justin Verlander J. Verlander	14	9	15	11	2	.846	0.84	113	2	1	0	97.0	49	11	6	28	3	0	0	365	4	10.48	2.60	4.04	0.56	31.0	7.7	0.79	.200	1.02	4.55
3	Andy Pettitte A. Pettitte	14	8	14	10	2	.833	0.72	82	0	0	0	100.2	76	12	3	24	0	0	2	392	1	7.33	2.15	3.42	0.27	20.9	6.1	0.99	.258	1.07	6.79
4	Jon Lester J. Lester	12	9	15	6	1	.857	0.91	71	0	0	0	88.2	56	11	3	21	2	1	0	338	2	7.21	2.13	3.38	0.30	21.0	6.2	0.87	.220	1.12	5.68
5	Curt Schilling C. Schilling	12	8	12	9	0	1.000	0.80	85	4	2	0	90.1	53	10	4	17	3	0	0	340	0	8.47	1.69	5.00	0.40	25.0	5.0	0.77	.212	1.00	5.28
6	Walker Buehler W. Buehler	11	6	12	4	0	1.000	0.91	77	0	0	1	59.2	36	6	2	22	2	1	0	234	1	11.61	3.32	3.50	0.30	32.9	9.4	0.97	.260	0.91	5.43
7	Gerrit Cole G. Cole	11	8	11	8	0	1.000	0.97	89	0	0	0	74.0	37	13	6	18	2	0	0	280	0	10.82	2.19	4.94	0.73	31.8	6.4	0.74	.188	1.58	4.50
8	Max Scherzer M. Scherzer	11	9	15	5	1	.833	1.16	92	0	0	1	70.0	33	10	3	27	4	1	2	271	3	11.83	3.47	3.41	0.39	33.9	10.0	0.86	.207	1.29	4.24
9	Clayton Kershaw C. Kershaw	11	7	16	9	1	.900	0.76	94	0	0	1	82.2	32	10	4	16	1	2	2	294	3	10.23	1.74	5.88	0.44	32.0	5.4	0.58	.156	1.09	3.48
10	John Smoltz J. Smoltz	11	11	24	10	2	.833	0.94	99	2	1	4	105.2	73	14	5	27	1	11	1	411	1	8.43	2.30	3.67	0.43	24.1	6.6	0.95	.244	1.19	6.22
11	Roger Clemens R. Clemens	11	6	12	8	0	1.000	0.68	81	1	1	0	80.0	39	7	1	22	4	1	0	303	3	9.11	2.47	3.68	0.11	26.7	7.3	0.76	.195	0.79	4.39
12	Whitey Ford W. Ford	10	5	10	7	2	.778	0.56	48	5	3	0	79.2	47	8	1	15	3	0	0	296	1	5.42	1.69	3.20	0.11	16.2	5.1	0.78	.201	0.90	5.31
13	Charlie Morton C. Morton	8	4	9	7	0	1.000	0.83	49	0	0	0	43.1	27	6	1	13	2	1	0	172	2	10.18	2.70	3.77	0.21	28.5	7.6	0.92	.243	1.25	5.61
14	Rich Hill R. Hill	8	7	9	1	0	1.000	1.69	48	0	0	0	37.1	22	7	2	20	1	1	3	153	1	11.57	4.82	2.40	0.48	31.4	13.1	1.13	.244	1.69	5.30
15	John Lackey J. Lackey	8	4	11	7	0	1.000	0.62	51	0	0	0	58.1	37	4	0	11	0	1	0	219	6	7.87	1.70	4.64	0.00	23.3	5.0	0.82	.236	0.62	5.71
16	Greg Maddux G. Maddux	8	4	13	7	1	.875	0.54	43	2	0	1	66.2	45	15	0	10	2	2	2	256	1	5.81	1.35	4.30	0.00	16.8	3.9	0.83	.224	2.03	6.08
17	Orel Hershiser O. Hershiser	8	4	12	6	0	1.000	0.54	58	2	2	1	67.0	36	8	2	18	4	2	5	255	4	7.79	2.42	3.22	0.27	22.7	7.1	0.81	.197	1.07	4.84
18	Catfish Hunter C. Hunter	8	7	11	7	0	1.000	0.92	34	2	1	1	68.2	40	7	3	16	1	2	2	258	1	4.46	2.10	2.13	0.39	13.2	6.2	0.82	.181	0.92	5.24
19	Christy Mathewson C. Mathewson	8	3	8	5	2	.714	0.35	39	8	4	0	77.2	54	13	1	8	1	0	2	295	1	4.52	0.93	4.88	0.12	13.2	2.7	0.80	.215	1.51	6.26
20	Ranger Suárez R. Suárez	7	3	9	3	0	1.000	0.82	34	0	0	1	33.0	21	4	2	12	1	1	0	133	0	9.27	3.27	2.83	0.55	25.6	9.0	1.00	.226	1.09	5.73
21	Madison Bumgarner M. Bumgarner	7	1	9	7	0	1.000	0.14	55	3	3	1	63.2	29	1	1	10	3	1	2	228	0	7.77	1.41	5.50	0.14	24.1	4.4	0.61	.176	0.14	4.10
22	Cliff Lee C. Lee	7	4	7	6	0	1.000	0.63	64	3	0	0	57.1	33	7	1	4	0	0	0	207	2	10.05	0.63	16.00	0.16	30.9	1.9	0.65	.232	1.10	5.18
23	CC Sabathia	7	7	10	5	1	.833	1.39	42	1	0	0	45.1	32	8	3	14	2	0	1	183	1	8.34	2.78	3.00	0.60	23.0	7.7	1.01	.238	1.59	6.35
24	Adam Wainwright A. Wainwright	7	7	20	4	0	1.000	0.95	71	1	0	4	66.1	44	7	5	11	1	9	0	249	2	9.63	1.49	6.45	0.68	28.5	4.4	0.83	.242	0.95	5.97
25	Orlando Hernandez O. Hernandez	7	5	11	6	0	1.000	0.79	58	0	0	0	57.0	31	5	3	28	3	0	2	227	0	9.16	4.42	2.07	0.47	25.6	12.3	1.04	.207	0.79	4.89