Gerrit Cole has the most career wins in the postseason when winning exactly 0 championships, with 11 wins.

Interpreted as:

most playoff wins by a player with no ring

	NAME	W	CHAMPS	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	11	0	6	.647	22	22	2.77	156	0	0	0	133.1	100	41	50	19	36	3	0	1	537	1	10.53	2.43	4.33	1.28	29.1	6.7	1.02	.251	3.38	6.75
2	Cliff Lee C. Lee	7	0	3	.700	11	11	2.52	89	3	0	0	82.0	66	23	27	2	10	1	0	0	320	2	9.77	1.10	8.90	0.22	27.8	3.1	0.93	.294	2.96	7.24
3	Mike Mussina M. Mussina	7	0	8	.467	23	21	3.42	145	0	0	0	139.2	121	53	56	19	33	3	0	7	571	2	9.34	2.13	4.39	1.22	25.4	5.8	1.10	.275	3.61	7.80
4	Tommy John T. John	6	0	3	.667	14	13	2.65	48	3	1	0	88.1	82	26	36	6	24	4	1	1	367	4	4.89	2.45	2.00	0.61	13.1	6.5	1.20	.267	3.67	8.35
5	Don Sutton D. Sutton	6	0	4	.600	15	14	3.68	61	3	1	0	100.1	92	41	46	12	16	3	0	0	407	2	5.47	1.44	3.81	1.08	15.0	3.9	1.08	.254	4.13	8.25
6	Aaron Nola A. Nola	5	0	4	.556	10	10	4.02	58	0	0	0	53.2	52	24	25	8	11	2	0	0	223	0	9.73	1.84	5.27	1.34	26.0	4.9	1.17	.306	4.19	8.72
7	Masahiro Tanaka M. Tanaka	5	0	4	.556	10	10	3.33	44	0	0	0	54.0	38	20	21	6	15	1	0	0	212	2	7.33	2.50	2.93	1.00	20.8	7.1	0.98	.219	3.50	6.33
8	Yu Darvish Y. Darvish	5	0	7	.417	13	13	3.77	61	0	0	0	71.2	58	30	32	18	15	7	0	1	289	1	7.66	1.88	4.07	2.26	21.1	5.2	1.02	.213	4.02	7.28
9	Roy Oswalt R. Oswalt	5	0	2	.714	13	11	3.73	56	0	0	0	72.1	73	30	32	9	24	6	2	0	314	1	6.97	2.99	2.33	1.12	17.8	7.6	1.34	.292	3.98	9.08
10	Zack Wheeler Z. Wheeler	4	0	3	.571	12	11	2.18	77	0	0	0	70.1	37	17	19	5	14	5	0	0	264	1	9.85	1.79	5.50	0.64	29.2	5.3	0.73	.196	2.43	4.73
11	Blake Snell B. Snell	4	0	3	.571	12	10	3.33	61	0	0	1	48.2	38	18	18	7	23	0	1	0	201	3	11.28	4.25	2.65	1.29	30.3	11.4	1.25	.282	3.33	7.03
12	Corey Kluber C. Kluber	4	0	4	.500	10	9	4.02	48	0	0	0	47.0	45	21	21	11	13	5	1	0	200	0	9.19	2.49	3.69	2.11	24.0	6.5	1.23	.276	4.02	8.62
13	Jacob deGrom J. deGrom	4	0	1	.800	5	5	2.90	37	0	0	0	31.0	26	10	10	3	10	0	0	1	130	0	10.74	2.90	3.70	0.87	28.5	7.7	1.16	.288	2.90	7.55
14	Michael Wacha M. Wacha	4	0	4	.500	10	8	5.21	47	0	0	0	46.2	43	27	27	9	20	1	1	4	198	1	9.06	3.86	2.35	1.74	23.7	10.1	1.35	.281	5.21	8.29
15	Doug Fister D. Fister	4	0	2	.667	10	9	3.02	41	0	0	0	56.2	58	19	19	3	17	3	0	0	241	2	6.51	2.70	2.41	0.48	17.0	7.1	1.32	.311	3.02	9.21
16	Zack Greinke Z. Greinke	4	0	6	.400	22	21	4.14	100	0	0	0	113.0	103	52	55	19	33	3	0	0	469	2	7.96	2.63	3.03	1.51	21.3	7.0	1.20	.268	4.38	8.20
17	Colby Lewis C. Lewis	4	0	1	.800	10	9	3.11	47	0	0	0	55.0	40	19	21	9	25	3	0	0	231	3	7.69	4.09	1.88	1.47	20.3	10.8	1.18	.211	3.44	6.55
18	Sterling Hitchcock S. Hitchcock	4	0	0	1.000	9	4	1.76	41	0	0	0	30.2	23	6	8	4	11	1	1	2	123	2	12.03	3.23	3.73	1.17	33.3	8.9	1.11	.288	2.35	6.75
19	Merrill Kelly M. Kelly	3	0	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
20	Ranger Suárez R. Suárez	3	0	1	.750	10	8	1.43	40	0	0	1	37.2	27	6	7	2	12	1	1	0	153	0	9.56	2.87	3.33	0.48	26.1	7.8	1.04	.255	1.67	6.45
21	Clay Holmes C. Holmes	3	0	1	.750	19	0	1.35	20	0	0	0	20.0	11	3	3	1	7	2	3	0	76	0	9.00	3.15	2.86	0.45	26.3	9.2	0.90	.217	1.35	4.95
22	Chad Green C. Green	3	0	0	1.000	19	1	3.95	28	0	0	0	27.1	23	12	13	4	9	1	2	1	114	0	9.22	2.96	3.11	1.32	24.6	7.9	1.17	.264	4.28	7.57
23	Josh Tomlin J. Tomlin	3	0	1	.750	10	4	4.00	21	0	0	0	27.0	21	12	12	2	5	0	3	0	104	0	7.00	1.67	4.20	0.67	20.2	4.8	0.96	.250	4.00	7.00
24	Hyun Jin Ryu H. Jin Ryu	3	0	3	.500	9	9	4.54	35	0	0	0	41.2	49	21	25	5	9	0	0	2	180	0	7.56	1.94	3.89	1.08	19.4	5.0	1.39	.336	5.40	10.58
25	Marco Estrada M. Estrada	3	0	3	.500	10	6	2.64	43	1	0	0	47.2	36	14	15	5	4	0	2	0	180	1	8.12	0.76	10.75	0.94	23.9	2.2	0.84	.242	2.83	6.80