most wins by a pitcher in a after age 40

Phil Niekro has won the most career games by a pitcher older than 40, with 100 wins.

Interpreted as:

most regular-season wins by a pitcher in a after age 40

	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	100	83	.546	256	250	3.93	940	39	10	1	1635.0	1,639	714	795	167	676	24	4	12	7,031	47	5.17	3.72	1.39	0.92	13.4	9.6	1.42	.282	4.38	9.02
2	Jack Quinn J. Quinn	89	73	.549	322	138	3.52	346	60	10	37	1307.0	1,504	511	640	41	285	32	116		5,631	17	2.38	1.96	1.21	0.28	6.1	5.1	1.37	.297	4.41	10.36
3	Jamie Moyer J. Moyer	84	77	.522	224	218	4.63	784	7	2	0	1336.1	1,446	688	734	208	375	58	2	20	5,771	13	5.28	2.53	2.09	1.40	13.6	6.5	1.36	.285	4.94	9.74
4	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
5	Randy Johnson R. Johnson	61	39	.610	134	129	4.15	755	8	0	0	804.1	766	371	413	112	199	35	2	14	3,351	14	8.45	2.23	3.79	1.25	22.5	5.9	1.20	.291	4.62	8.57
6	Bartolo Colon B. Colon	55	55	.500	145	138	4.58	542	3	1	0	820.2	928	418	446	122	140	14	2	11	3,480	5	5.94	1.54	3.87	1.34	15.6	4.0	1.30	.303	4.89	10.18
7	Cy Young C. Young	54	45	.545	110	105	0.01	383	86	9	2	882.0	782		315	11	147	18	4		3,465	23	3.91	1.50	2.61	0.11	11.1	4.2	1.05	.265	3.21	7.98
8	Warren Spahn W. Spahn	53	48	.525	138	119	3.51	378	55	8	4	880.2	877	343	382	94	206	8	14	12	3,640	15	3.86	2.11	1.83	0.96	10.4	5.7	1.23	.265	3.90	8.96
9	Charlie Hough C. Hough	52	72	.419	175	173	4.24	582	19	3	0	1094.1	1,005	515	574	129	497	53	1	9	4,745	46	4.79	4.09	1.17	1.06	12.3	10.5	1.37	.251	4.72	8.27
10	Roger Clemens R. Clemens	51	26	.662	113	112	2.83	619	1	0	0	706.0	575	222	248	50	221	19	0	11	2,870	19	7.89	2.82	2.80	0.64	21.6	7.7	1.13	.268	3.16	7.33
11	Hoyt Wilhelm H. Wilhelm	44	33	.571	391	0	2.05	510	0	0	90	666.0	456	152	185	39	205	14	260	29	2,632	31	6.89	2.77	2.49	0.53	19.4	7.8	0.99	.224	2.50	6.16
12	Tim Wakefield T. Wakefield	37	37	.500	126	103	4.79	402	4	0	0	663.0	668	353	393	88	210	36	16	5	2,856	43	5.46	2.85	1.91	1.19	14.1	7.4	1.32	.274	5.33	9.07
13	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
14	Tommy John T. John	37	44	.457	137	122	4.67	245	5	2	0	697.0	870	362	398	58	198	21	7	16	3,071	34	3.16	2.56	1.24	0.75	8.0	6.4	1.53	.319	5.14	11.23
15	Gaylord Perry G. Perry	35	48	.422	119	117	4.17	393	18	3	0	759.1	865	352	402	74	191	20	2	12	3,262	30	4.66	2.26	2.06	0.88	12.0	5.9	1.39	.306	4.76	10.25
16	Kenny Rogers K. Rogers	29	25	.537	75	74	4.66	217	0	0	0	440.2	472	228	251	53	158	19	1	5	1,906	10	4.43	3.23	1.37	1.08	11.4	8.3	1.43	.287	5.13	9.64
17	Don Sutton D. Sutton	29	28	.509	85	84	4.15	259	4	1	0	486.0	482	224	238	76	120	11	0	8	2,028	13	4.80	2.22	2.16	1.41	12.8	5.9	1.24	.260	4.41	8.93
18	Satchel Paige S. Paige	28	31	.475	179	26	3.31	288	7	4	33	476.0	429	175	192	30	180	7	109	0	2,003	6	5.45	3.40	1.60	0.57	14.4	9.0	1.28	.266	3.63	8.11
19	Red Faber R. Faber	25	43	.368	155	56	3.85	160	17	1	12	570.2	636	244	311	23	182	10	68		2,510	7	2.52	2.87	0.88	0.36	6.4	7.3	1.43	.287	4.90	10.03
20	Grover Alexander G. Alexander	25	20	.556	65	53	3.85	98	26	1	2	397.1	449	170	195	31	66	3	7		1,678	5	2.22	1.49	1.48	0.70	5.8	3.9	1.30	.282	4.42	10.17
21	Rich Hill R. Hill	23	30	.434	94	84	4.51	393	0	0	0	433.0	428	217	237	60	153	28	4	0	1,862	5	8.17	3.18	2.57	1.25	21.1	8.2	1.34	.300	4.93	8.90
22	Dazzy Vance D. Vance	22	18	.550	100	41	4.13	240	12	1	7	402.2	421	185	208	21	126	8	25		1,735	7	5.36	2.82	1.90	0.47	13.8	7.3	1.36	.299	4.65	9.41
23	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
24	Connie Marrero C. Marrero	21	21	.500	65	49	3.30	166	26	4	2	387.1	371	142	160	35	118	9	10		1,627	8	3.86	2.74	1.41	0.81	10.2	7.3	1.26	.259	3.72	8.62
25	Sad Sam Jones S. Sam Jones	21	24	.467	59	56	4.42	130	23	2	0	401.0	455	197	229	29	137	6	3		1,782	9	2.92	3.07	0.95	0.65	7.3	7.7	1.48	.288	5.14	10.21