6 pitchers are tied for the most wins with exactly 0 championships in a postseason, with 4 wins. The first three are Gerrit Cole in 2019, Corey Kluber in 2016 and Michael Wacha in 2013.

Interpreted as:

most playoff wins without a title in a season by a player

	NAME	W	CHAMPS	SEASON	TM	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Gerrit Cole G. Cole	4	0	2019	HOU	1	.800	5	5	1.72	47	0	0	0	36.2	21	7	7	4	11	0	0	0	138	0	11.54	2.70	4.27	0.98	34.1	8.0	0.87	.224	1.72	5.15
2	Corey Kluber C. Kluber	4	0	2016	CLE	1	.800	6	6	1.83	35	0	0	0	34.1	28	7	7	3	8	3	0	0	138	0	9.17	2.10	4.38	0.79	25.4	5.8	1.05	.281	1.83	7.34
3	Michael Wacha M. Wacha	4	0	2013	STL	1	.800	5	5	2.64	33	0	0	0	30.2	16	9	9	3	12	1	0	3	119	0	9.68	3.52	2.75	0.88	27.7	10.1	0.91	.186	2.64	4.70
4	Cliff Lee C. Lee	4	0	2009	PHI	0	1.000	5	5	1.56	33	2	0	0	40.1	27	7	10	0	6	0	0	0	151	2	7.36	1.34	5.50	0.00	21.9	4.0	0.82	.241	2.23	6.02
5	John Smoltz J. Smoltz	4	0	1996	ATL	1	.800	5	5	0.95	33	0	0	0	38.0	22	4	5	0	13	0	0	0	148	2	7.82	3.08	2.54	0.00	22.3	8.8	0.92	.216	1.18	5.21
6	Orel Hershiser O. Hershiser	4	0	1995	CLE	1	.800	5	5	1.53	35	0	0	0	35.1	20	6	8	3	9	1	0	2	137	2	8.92	2.29	3.89	0.76	25.5	6.6	0.82	.191	2.04	5.09
7	Clay Holmes C. Holmes	3	0	2024	NYY	1	.750	13	0	2.25	12	0	0	0	12.0	8	3	3	1	5	1	1	0	48	0	9.00	3.75	2.40	0.75	25.0	10.4	1.08	.241	2.25	6.00
8	Merrill Kelly M. Kelly	3	0	2023	ARI	1	.750	4	4	2.25	28	0	0	0	24.0	12	6	6	4	8	0	0	0	91	0	10.50	3.00	3.50	1.50	30.8	8.8	0.83	.157	2.25	4.50
9	Aaron Nola A. Nola	3	0	2023	PHI	1	.750	4	4	2.35	23	0	0	0	23.0	18	6	6	2	4	1	0	0	89	0	9.00	1.57	5.75	0.78	25.8	4.5	0.96	.271	2.35	7.04
10	Zack Wheeler Z. Wheeler	3	0	2023	PHI	0	1.000	5	4	1.95	35	0	0	0	27.2	17	6	7	3	3	0	0	0	103	1	11.39	0.98	11.67	0.98	34.0	2.9	0.72	.226	2.28	5.53
11	Charlie Morton C. Morton	3	0	2020	TBR	1	.750	4	4	2.70	23	0	0	0	20.0	18	6	7	1	5	2	0	0	86	0	10.35	2.25	4.60	0.45	26.7	5.8	1.15	.309	3.15	8.10
12	Framber Valdez F. Valdez	3	0	2020	HOU	1	.750	4	3	1.88	26	0	0	0	24.0	14	5	5	3	10	0	1	0	90	0	9.75	3.75	2.60	1.13	28.9	11.1	1.00	.216	1.88	5.25
13	Clayton Kershaw C. Kershaw	3	0	2017	LAD	0	1.000	6	5	3.82	33	0	0	0	33.0	21	14	14	8	10	0	0	2	128	1	9.00	2.73	3.30	2.18	25.8	7.8	0.94	.169	3.82	5.73
14	Jacob deGrom J. deGrom	3	0	2015	NYM	1	.750	4	4	2.88	29	0	0	0	25.0	21	8	8	2	8	0	0	1	105	0	10.44	2.88	3.63	0.72	27.6	7.6	1.16	.288	2.88	7.56
15	Justin Verlander J. Verlander	3	0	2012	DET	1	.750	4	4	2.22	29	1	1	0	28.1	16	7	7	4	6	0	0	0	106	0	9.21	1.91	4.83	1.27	27.4	5.7	0.78	.179	2.22	5.08
16	Cliff Lee C. Lee	3	0	2010	TEX	2	.600	5	5	2.78	47	1	0	0	35.2	27	11	12	2	2	1	0	0	138	0	11.86	0.50	23.50	0.50	34.1	1.4	0.81	.291	3.03	6.81
17	Colby Lewis C. Lewis	3	0	2010	TEX	0	1.000	4	4	1.71	24	0	0	0	26.1	16	5	5	3	13	2	0	0	106	2	8.20	4.44	1.85	1.03	22.6	12.3	1.10	.203	1.71	5.47
18	Kenny Rogers K. Rogers	3	0	2006	DET	0	1.000	3	3	0.00	19	0	0	0	23.0	9	0	0	0	7	2	0	0	84	0	7.43	2.74	2.71	0.00	22.6	8.3	0.70	.161	0.00	3.52
19	Roy Oswalt R. Oswalt	3	0	2005	HOU	0	1.000	4	4	3.29	22	0	0	0	27.1	22	10	10	2	11	4	0	0	117	0	7.24	3.62	2.00	0.66	18.8	9.4	1.21	.256	3.29	7.24
20	Andy Pettitte A. Pettitte	3	0	2003	NYY	1	.750	5	5	2.10	34	0	0	0	34.1	33	8	10	3	11	0	0	1	146	1	8.91	2.88	3.09	0.79	23.3	7.5	1.28	.306	2.62	8.65
21	Tim Worrell T. Worrell	3	0	2002	SFG	1	.750	13	0	4.85	10	0	0	0	13.0	13	7	10	4	3	0	4	0	55	0	6.92	2.08	3.33	2.77	18.2	5.5	1.23	.237	6.92	9.00
22	Jamie Moyer J. Moyer	3	0	2001	SEA	0	1.000	3	3	1.89	15	0	0	0	19.0	12	4	4	1	3	1	0	0	71	0	7.11	1.42	5.00	0.47	21.1	4.2	0.79	.216	1.89	5.68
23	Sterling Hitchcock S. Hitchcock	3	0	1998	SDP	0	1.000	4	4	1.23	32	0	0	0	22.0	15	3	4	1	9	1	0	1	88	2	13.09	3.68	3.56	0.41	36.4	10.2	1.09	.311	1.64	6.14
24	Jaret Wright J. Wright	3	0	1997	CLE	0	1.000	5	5	4.73	25	0	0	0	26.2	24	14	15	5	19	0	0	1	120	1	8.44	6.41	1.32	1.69	20.8	15.8	1.61	.268	5.06	8.10
25	Greg Maddux G. Maddux	3	0	1996	ATL	2	.600	5	5	1.70	22	0	0	0	37.0	32	7	14	1	3	1	0	1	144	1	5.35	0.73	7.33	0.24	15.3	2.1	0.95	.265	3.41	7.78