pitcher with most wins with 0 losses vs an opponent

Harry Coveleski has the most career wins by a pitcher against a team in wins, with 14 wins versus the Philadelphia Athletics.

Interpreted as:

pitcher with most regular-season wins with 0 losses vs an opponent

	NAME	W	L	OPP	W%	L%	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	Harry Coveleski H. Coveleski	14	0	Athletics	1.000	.000	21	15	1.99	39	11	0	1	136.0	128	30	47	2	32	7	3		564	3	2.58	2.12	1.22	0.13	6.9	5.7	1.18	.260	3.11	8.47
2	Randy Johnson R. Johnson	13	0	Cubs	1.000	.000	15	14	1.91	143	3	1	0	103.2	69	22	23	4	33	7	1	1	413	3	12.41	2.86	4.33	0.35	34.6	8.0	0.98	.288	2.00	5.99
3	Carl Mays C. Mays	13	0	Phillies	1.000	.000	20	14	2.85	31	10	0	1	129.1	131	41	50	3	23	2	4		534	1	2.16	1.60	1.35	0.21	5.8	4.3	1.19	.269	3.48	9.12
4	Clayton Kershaw C. Kershaw	11	0	Mets	1.000	.000	19	19	2.15	126	2	2	0	117.1	84	28	32	9	35	2	0	1	460	2	9.66	2.68	3.60	0.69	27.4	7.6	1.01	.260	2.45	6.44
5	Bob Bowman B. Bowman	11	0	Phillies	1.000	.000	18	9	1.90	37	7	0	2	99.1	80	21	22	3	27	1	5		394	2	3.35	2.45	1.37	0.27	9.4	6.9	1.08	.236	1.99	7.25
6	Bill Gullickson B. Gullickson	10	0	Mariners	1.000	.000	12	12	2.73	40	2	1	0	89.0	75	27	27	9	24	1	0	5	360	2	4.04	2.43	1.67	0.91	11.1	6.7	1.11	.231	2.73	7.58
7	Max Scherzer M. Scherzer	9	0	Diamondbacks	1.000	.000	12	12	2.65	111	0	0	0	78.0	49	23	23	14	19	2	0	1	304	1	12.81	2.19	5.84	1.62	36.5	6.3	0.87	.222	2.65	5.65
8	Jason Hammel J. Hammel	9	0	Nationals	1.000	.000	13	13	3.01	72	0	0	0	86.2	75	29	31	8	18	0	0	0	349	5	7.48	1.87	4.00	0.83	20.6	5.2	1.07	.267	3.22	7.79
9	Randy Tomlin R. Tomlin	9	0	Mets	1.000	.000	14	13	2.05	45	3	1	0	92.0	73	21	24	5	14	1	0	0	356	1	4.40	1.37	3.21	0.49	12.6	3.9	0.95	.234	2.35	7.14
10	Kevin Tapani K. Tapani	9	0	Red Sox	1.000	.000	14	14	3.41	55	0	0	0	92.1	97	35	36	10	23	2	0	0	395	2	5.36	2.24	2.39	0.97	13.9	5.8	1.30	.285	3.51	9.45
11	Shane Rawley S. Rawley	9	0	Dodgers	1.000	.000	11	11	2.30	50	3	2	0	86.0	71	22	24	8	17	2	0	2	347	1	5.23	1.78	2.94	0.84	14.4	4.9	1.02	.233	2.51	7.43
12	Luis Tiant L. Tiant	9	0	Blue Jays	1.000	.000	11	11	2.08	59	3	1	0	78.0	62	18	18	3	17	1	0	1	309	1	6.81	1.96	3.47	0.35	19.1	5.5	1.01	.258	2.08	7.15
13	Joe Coleman J. Coleman	9	0	Tigers	1.000	.000	28	17	2.60	83	7	2	1	141.2	118	41	46	9	44	5	7	2	576	8	5.27	2.80	1.89	0.57	14.4	7.6	1.14	.251	2.92	7.50
14	Bud Tinning B. Tinning	9	0	Phillies	1.000	.000	18	7	2.67	30	3	1	1	87.2	83	26	27	2	30	2	6		365	3	3.08	3.08	1.00	0.21	8.2	8.2	1.29	.269	2.77	8.52
15	Masahiro Tanaka M. Tanaka	8	0	Mariners	1.000	.000	10	10	1.89	75	1	0	0	71.1	49	15	16	6	8	1	0	0	267	0	9.46	1.01	9.38	0.76	28.1	3.0	0.80	.243	2.02	6.18
16	Chris Sale C. Sale	8	0	Angels	1.000	.000	11	9	1.24	76	1	1	0	65.1	35	9	11	2	12	2	1	0	240	1	10.47	1.65	6.33	0.28	31.7	5.0	0.72	.223	1.52	4.82
17	Edinson Volquez E. Volquez	8	0	Cubs	1.000	.000	14	13	3.42	67	0	0	0	73.2	71	28	32	5	43	2	0	0	327	2	8.19	5.25	1.56	0.61	20.5	13.1	1.55	.314	3.91	8.67
18	David Weathers D. Weathers	8	0	Reds	1.000	.000	40	6	2.52	44	0	0	2	71.1	55	20	24	5	22	1	8	1	280	3	5.55	2.78	2.00	0.63	15.7	7.9	1.08	.240	3.03	6.94
19	Hersh Freeman H. Freeman	8	0	Giants	1.000	.000	27	0	2.57	22	0	0	4	49.0	45	14	15	5	6	0	18	1	192	0	4.04	1.10	3.67	0.92	11.5	3.1	1.04	.252	2.76	8.27
20	Johnny Beazley J. Beazley	8	0	Pirates	1.000	.000	17	8	3.59	33	4	0	0	77.2	76	31	37	1	36	1	7		342	3	3.82	4.17	0.92	0.12	9.6	10.5	1.44	.277	4.29	8.81
21	Bob Osborn B. Osborn	8	0	Braves	1.000	.000	16	5	1.90	20	5	0	1	80.2	70	17	21	0	23	1	8		328	1	2.23	2.57	0.87	0.00	6.1	7.0	1.15	.246	2.34	7.81
22	Rube Kroh R. Kroh	8	0	Doves	1.000	.000	9	8		31	8	2	0	75.0	50		9	1	16	0	1		284	0	3.72	1.92	1.94	0.12	10.9	5.6	0.88	.208	1.08	6.00
23	Jesse Tannehill J. Tannehill	8	0	Phillies	1.000	.000	8	7	1.21	32	6	0	0	67.0	61		20	0	6	5	1			2	4.30	0.81	5.33	0.00		2.7	1.00	.347	2.69	8.19
24	George Kirby G. Kirby	7	0	Rangers	1.000	.000	9	9	1.15	45	0	0	0	54.2	37	7	8	2	5	0	0	0	198	0	7.41	0.82	9.00	0.33	22.7	2.5	0.77	.240	1.32	6.09
25	Joe Ryan J. Ryan	7	0	Royals	1.000	.000	9	9	1.30	59	0	0	0	55.1	31	8	8	3	11	0	0	0	204	2	9.60	1.79	5.36	0.49	28.9	5.4	0.76	.214	1.30	5.04