most wins by a starting pitcher over 40 years old

Phil Niekro has won the most career games by a starting pitcher older than 40, with 97 wins.

Interpreted as:

most regular-season wins by a starting pitcher over 40 years old

	NAME	W	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	Phil Niekro P. Niekro	97	83	.539	250	250	3.95	932	39	10	0	1625.2	1,634	713	794	167	669	24	0	12	6,992	47	5.16	3.70	1.39	0.92	13.3	9.6	1.42	.282	4.40	9.05
2	Jamie Moyer J. Moyer	82	76	.519	218	218	4.67	768	7	2	0	1314.2	1,433	682	728	206	368	57	0	18	5,686	13	5.26	2.52	2.09	1.41	13.5	6.5	1.37	.286	4.98	9.81
3	Nolan Ryan N. Ryan	63	50	.558	162	162	3.45	1,167	19	7	0	1060.0	779	406	460	79	440	41	0	11	4,385	58	9.91	3.74	2.65	0.67	26.6	10.0	1.15	.263	3.91	6.61
4	Jack Quinn J. Quinn	63	54	.538	138	138	3.65	225	60	10	0	930.1	1,081	377	475	29	184	25	0		4,016	8	2.18	1.78	1.22	0.28	5.6	4.6	1.36	.296	4.60	10.46
5	Randy Johnson R. Johnson	61	39	.610	129	129	4.14	749	8	0	0	800.0	759	368	409	111	199	34	0	14	3,330	14	8.43	2.24	3.76	1.25	22.5	6.0	1.20	.290	4.60	8.54
6	Bartolo Colon B. Colon	55	55	.500	138	138	4.58	532	3	1	0	810.1	916	412	440	120	140	14	0	11	3,439	5	5.91	1.55	3.80	1.33	15.5	4.1	1.30	.302	4.89	10.17
7	Cy Young C. Young	54	44	.551	105	105	0.01	375	86	9	0	870.0	769		306	11	144	18	0		3,417	21	3.88	1.49	2.60	0.11	11.0	4.2	1.05	.264	3.17	7.96
8	Warren Spahn W. Spahn	53	48	.525	119	119	3.51	364	55	8	0	851.1	847	332	369	91	198	8	0	10	3,516	14	3.85	2.09	1.84	0.96	10.4	5.6	1.23	.265	3.90	8.95
9	Charlie Hough C. Hough	52	72	.419	173	173	4.22	577	19	3	0	1088.2	1,001	511	570	129	492	53	0	9	4,720	46	4.77	4.07	1.17	1.07	12.2	10.4	1.37	.251	4.71	8.28
10	Roger Clemens R. Clemens	51	26	.662	112	112	2.82	618	1	0	0	705.0	574	221	247	50	220	19	0	11	2,865	19	7.89	2.81	2.81	0.64	21.6	7.7	1.13	.268	3.15	7.33
11	Tim Wakefield T. Wakefield	37	36	.507	103	103	4.87	379	4	0	0	620.2	630	336	374	81	204	35	0	5	2,690	40	5.50	2.96	1.86	1.17	14.1	7.6	1.34	.276	5.42	9.14
12	David Wells D. Wells	37	25	.597	95	95	4.53	312	2	0	0	562.1	675	283	296	71	88	12	0	5	2,399	7	4.99	1.41	3.55	1.14	13.0	3.7	1.36	.315	4.74	10.80
13	Tommy John T. John	36	43	.456	122	122	4.68	239	5	2	0	674.1	842	351	386	55	185	21	0	14	2,967	30	3.19	2.47	1.29	0.73	8.1	6.2	1.52	.319	5.15	11.24
14	Gaylord Perry G. Perry	34	48	.415	117	117	4.16	392	18	3	0	751.0	856	347	397	74	189	19	0	12	3,224	29	4.70	2.26	2.07	0.89	12.2	5.9	1.39	.307	4.76	10.26
15	Kenny Rogers K. Rogers	29	24	.547	74	74	4.64	217	0	0	0	438.2	469	226	249	53	155	19	0	5	1,894	10	4.45	3.18	1.40	1.09	11.5	8.2	1.42	.287	5.11	9.62
16	Don Sutton D. Sutton	28	28	.500	84	84	4.13	255	4	1	0	481.2	478	221	235	75	120	11	0	8	2,011	12	4.76	2.24	2.13	1.40	12.7	6.0	1.24	.260	4.39	8.93
17	Grover Alexander G. Alexander	23	18	.561	53	53	3.64	90	26	1	0	373.2	414	151	174	25	57	3	0		1,564	5	2.17	1.37	1.58	0.60	5.8	3.6	1.26	.280	4.19	9.97
18	Rich Hill R. Hill	22	31	.415	86	86	4.51	379	0	0	0	424.2	422	213	232	61	150	26	0	0	1,826	5	8.03	3.18	2.53	1.29	20.8	8.2	1.35	.298	4.92	8.94
19	Greg Maddux G. Maddux	21	23	.477	65	65	4.21	192	1	0	0	380.2	414	178	193	34	54	11	0	8	1,588	6	4.54	1.28	3.56	0.80	12.1	3.4	1.23	.293	4.56	9.79
20	Sad Sam Jones S. Sam Jones	21	24	.467	56	56	4.48	128	23	2	0	392.0	448	195	227	29	136	6	0		1,747	8	2.94	3.12	0.94	0.67	7.3	7.8	1.49	.289	5.21	10.29
21	R.A. Dickey	20	24	.455	60	60	4.36	262	0	0	0	359.1	362	174	195	54	130	16	0	3	1,540	18	6.56	3.26	2.02	1.35	17.0	8.4	1.37	.286	4.88	9.07
22	Jerry Koosman J. Koosman	20	19	.513	52	52	3.70	193	6	2	0	318.2	337	131	150	22	93	6	0	8	1,366	8	5.45	2.63	2.08	0.62	14.1	6.8	1.35	.299	4.24	9.52
23	Connie Marrero C. Marrero	19	19	.500	49	49	3.33	151	26	4	0	359.2	347	133	150	31	109	9	0		1,515	7	3.78	2.73	1.39	0.78	10.0	7.2	1.27	.260	3.75	8.68
24	Joe Niekro J. Niekro	16	24	.400	53	53	5.45	146	1	0	0	276.0	306	167	197	31	134	11	0	3	1,255	25	4.76	4.37	1.09	1.01	11.6	10.7	1.59	.295	6.42	9.98
25	Early Wynn E. Wynn	16	18	.471	47	47	4.01	172	17	3	0	305.1	289	136	143	27	109	4	0	6	1,279	3	5.07	3.21	1.58	0.80	13.4	8.5	1.30	.271	4.22	8.52