what pitcher has the best win loss record against the reds with more than 15 wins

Roy Oswalt has the best career record when winning >15 games against the Reds, with a record of 23-3.

	NAME	REC	W	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	Roy Oswalt R. Oswalt	23-3	23	.885	3	34	32	2.81	175	1	0	0	218.0	194	68	71	20	56	10	0	3	882	2	7.22	2.31	3.13	0.83	19.8	6.3	1.15	.280	2.93	8.01
2	Dizzy Dean D. Dean	27-4	27	.871	4	47	30	2.19	188	22	8	5	304.0	268	74	82	7	75	5	15		1,229	2	5.57	2.22	2.51	0.21	15.3	6.1	1.13	.274	2.43	7.93
3	Larry Jansen L. Jansen	24-4	24	.857	4	36	33	2.52	109	22	4	1	264.2	260	74	83	19	52	2	3		1,087	4	3.71	1.77	2.10	0.65	10.0	4.8	1.18	.266	2.82	8.84
4	Christy Mathewson C. Mathewson	65-19	65	.774	19	95	83	0.89	354	69	12	5	726.1	633		234	14	121	12	11			12	4.39	1.50	2.93	0.17		4.2	1.04	.263	2.90	7.84
5	Ray Kremer R. Kremer	25-8	25	.758	8	45	36	3.45	57	18	3	1	281.1	316	108	125	11	72	1	5		1,198	3	1.82	2.30	0.79	0.35	4.8	6.0	1.38	.289	4.00	10.11
6	Bill Hallahan B. Hallahan	18-6	18	.750	6	45	26	2.66	109	12	1	2	233.2	198	69	82	2	115	2	12		988	11	4.20	4.43	0.95	0.08	11.0	11.6	1.34	.258	3.16	7.63
7	Grover Alexander G. Alexander	70-24	70	.745	24	108	96	2.04	326	74	20	4	847.0	736		246	10	152	13	12			6	3.46	1.62	2.14	0.11		4.6	1.05	.257	2.61	7.82
8	Don Newcombe D. Newcombe	21-8	21	.724	8	32	31	3.08	130	21	4	0	240.0	210	82	91	20	55	1	1		960	2	4.88	2.06	2.36	0.75	13.5	5.7	1.10	.252	3.41	7.88
9	Slim Sallee S. Sallee	26-10	26	.722	10	56	35	2.51	105	22	2	3	337.0	324		130	4	67	6	15		1,365	1	2.80	1.79	1.57	0.11	7.7	4.9	1.16	.270	3.47	8.65
10	Ed Reulbach E. Reulbach	31-12	31	.721	12	60	48	1.18	167	30	8	1	397.2	279		123	5	157	24	8		1,607	6	3.78	3.55	1.06	0.11	10.4	9.8	1.10	.219	2.78	6.31
11	Preacher Roe P. Roe	20-8	20	.714	8	44	40	3.06	151	14	4	0	303.0	302	103	113	40	56	5	1		1,237	0	4.49	1.66	2.70	1.19	12.2	4.5	1.18	.266	3.36	8.97
12	Bob Welch B. Welch	16-7	16	.696	7	34	30	2.32	154	5	4	3	213.2	179	55	59	17	77	3	3	6	876	3	6.49	3.24	2.00	0.72	17.6	8.8	1.20	.259	2.49	7.54
13	Joe Hatten J. Hatten	16-7	16	.696	7	38	25	2.83	56	11	2	1	193.2	174	61	71	10	59	1	7		787	3	2.60	2.74	0.95	0.46	7.1	7.5	1.20	.248	3.30	8.09
14	Tom Glavine T. Glavine	27-12	27	.692	12	50	50	3.45	188	2	0	0	328.1	314	126	135	28	113	7	0	10	1,365	6	5.15	3.10	1.66	0.77	13.8	8.3	1.30	.278	3.70	8.61
15	Mordecai Brown M. Brown	31-14	31	.689	14	61	39	0.48	152	35	10	8	372.0	320		107	4	67	8	21			3	3.68	1.62	2.27	0.10		4.6	1.04	.255	2.59	7.74
16	Jeff Pfeffer J. Pfeffer	26-12	26	.684	12	46	41	2.79	108	28	4	2	361.2	338		134	5	80	21	5			3	2.69	1.99	1.35	0.12		5.4	1.16	.265	3.33	8.41
17	Warren Spahn W. Spahn	62-29	62	.681	29	113	95	2.94	373	59	9	4	773.2	715	253	284	68	206	8	14	14	3,183	11	4.34	2.40	1.81	0.79	11.7	6.5	1.19	.256	3.30	8.32
18	Al Brazle A. Brazle	21-10	21	.677	10	64	19	2.85	93	6	1	11	227.1	217	72	85	13	68	7	32		934	4	3.68	2.69	1.37	0.51	10.0	7.3	1.25	.271	3.37	8.59
19	Bill Swift B. Swift	23-11	23	.676	11	60	30	2.84	117	16	1	5	301.0	271	95	106	13	44	8	19		1,214	3	3.50	1.32	2.66	0.39	9.6	3.6	1.05	.250	3.17	8.10
20	Guy Bush G. Bush	25-12	25	.676	12	63	35	2.94	98	19	5	2	330.2	309	108	125	12	92	6	20		1,361	5	2.67	2.50	1.07	0.33	7.2	6.8	1.21	.258	3.40	8.41
21	Vern Law V. Law	22-11	22	.667	11	53	40	3.92	102	13	1	0	296.1	301	129	134	38	60	4	10		1,218	3	3.10	1.82	1.70	1.15	8.4	4.9	1.22	.259	4.07	9.14
22	Fred Frankhouse F. Frankhouse	22-11	22	.667	11	71	35	3.04	101	18	2	3	337.1	352	114	133	14	110	7	26		1,449	4	2.69	2.93	0.92	0.37	7.0	7.6	1.37	.278	3.55	9.39
23	Sam Leever S. Leever	20-10	20	.667	10	43	34	0.51	107	26	2	3	284.1	285		117	2	56	13	7			3	3.39	1.77	1.91	0.06		4.9	1.20	.290	3.70	9.02
24	Van Mungo V. Mungo	23-12	23	.657	12	50	37	2.56	168	20	7	2	331.0	296	94	120	11	107	5	8		1,380	10	4.57	2.91	1.57	0.30	12.2	7.8	1.22	.262	3.26	8.05
25	Larry Benton L. Benton	17-9	17	.654	9	47	30	3.50	78	17	2	2	269.2	276	105	113	6	85	5	8		1,121	3	2.60	2.84	0.92	0.20	7.0	7.6	1.34	.285	3.77	9.21