what player has the most career wins on saturdays

Christy Mathewson has won the most career games on Saturdays, with 81 wins.

Interpreted as:

What player has the most career regular-season wins on saturdays?

	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	Christy Mathewson C. Mathewson	81	42	.659	139	122	1.21	496	94	16	8	1024.2	924		352	28	155	10	16			17	4.36	1.36	3.20	0.25		3.9	1.05	.269	3.09	8.12
2	Eddie Plank E. Plank	72	36	.667	123	105	1.33	468	84	16	3	910.2	835		305	7	217	32	14			14	4.63	2.14	2.16	0.07		6.2	1.16	.300	3.01	8.25
3	Grover Alexander G. Alexander	67	36	.650	121	105	2.03	427	80	16	6	943.1	851		298	27	164	10	15			9	4.07	1.56	2.60	0.26		4.3	1.08	.262	2.84	8.12
4	Lefty Grove L. Grove	64	27	.703	126	98	3.18	505	61	10	10	835.2	830	295	345	38	236	8	23		3,517	12	5.44	2.54	2.14	0.41	14.4	6.7	1.28	.290	3.72	8.94
5	Walter Johnson W. Johnson	64	42	.604	127	109	1.65	574	87	14	3	933.1	798		330	22	236	46	16			25	5.53	2.28	2.43	0.21		6.2	1.11	.268	3.18	7.69
6	Roger Clemens R. Clemens	63	24	.724	120	120	3.07	788	15	8	0	838.0	718	286	315	65	267	30	0	9	3,449	24	8.46	2.87	2.95	0.70	22.8	7.7	1.18	.284	3.38	7.71
7	Warren Spahn W. Spahn	53	38	.582	115	102	3.34	431	56	15	5	785.2	748	292	322	62	208	8	11		3,250	7	4.94	2.38	2.07	0.71	13.3	6.4	1.22	.270	3.69	8.57
8	Eppa Rixey E. Rixey	53	48	.525	128	105	3.04	250	54	5	2	864.1	885	292	360	18	223	16	17		3,621	20	2.60	2.32	1.12	0.19	6.9	6.2	1.28	.278	3.75	9.22
9	Steve Carlton S. Carlton	52	40	.565	130	124	3.55	686	37	11	0	890.2	811	351	381	81	353	8	2	30	3,733	38	6.93	3.57	1.94	0.82	18.4	9.5	1.31	.280	3.85	8.19
10	Greg Maddux G. Maddux	51	45	.531	113	113	3.06	512	17	4	0	760.0	699	258	304	56	152	17	0	28	3,068	11	6.06	1.80	3.37	0.66	16.7	5.0	1.12	.276	3.60	8.28
11	Nolan Ryan N. Ryan	49	39	.557	118	116	2.99	924	34	7	1	814.2	604	271	317	36	420	36	2	15	3,431	36	10.21	4.64	2.20	0.40	26.9	12.2	1.26	.282	3.50	6.67
12	Jim Palmer J. Palmer	49	21	.700	94	89	2.81	383	35	6	1	671.2	573	210	225	48	206	4	2	3	2,748	19	5.13	2.76	1.86	0.64	13.9	7.5	1.16	.249	3.01	7.68
13	Early Wynn E. Wynn	49	36	.576	109	100	3.70	382	38	4	3	715.2	715	294	329	58	277	11	9	5	3,069	8	4.80	3.48	1.38	0.73	12.4	9.0	1.39	.281	4.14	8.99
14	Herb Pennock H. Pennock	49	28	.636	123	80	3.04	263	52	8	12	722.0	727		306	17	177	8	32		3,003	13	3.28	2.21	1.49	0.21	8.8	5.9	1.25	.280	3.81	9.06
15	Tommy John T. John	48	39	.552	124	118	3.21	375	34	8	0	801.1	780	286	337	60	192	21	3	16	3,308	34	4.21	2.16	1.95	0.67	11.3	5.8	1.21	.271	3.78	8.76
16	Red Ruffing R. Ruffing	48	30	.615	105	85	3.52	367	56	5	4	725.1	693	284	333	32	264	11	15		3,076	12	4.55	3.28	1.39	0.40	11.9	8.6	1.32	.275	4.13	8.60
17	Tom Seaver T. Seaver	47	32	.595	98	98	3.04	509	40	6	0	712.1	634	241	261	63	189	18	0	15	2,921	18	6.43	2.39	2.69	0.80	17.4	6.5	1.16	.267	3.30	8.01
18	Fergie Jenkins F. Jenkins	46	42	.523	115	102	3.63	547	50	8	2	762.0	744	307	339	89	159	15	5	25	3,160	8	6.46	1.88	3.44	1.05	17.3	5.0	1.19	.279	4.00	8.79
19	Jack Chesbro J. Chesbro	46	20	.697	78	69	1.09	285	57	7	0	612.1	533		211	3	129	23	7			11	4.19	1.90	2.21	0.04		5.9	1.08	.302	3.10	7.83
20	Joe McGinnity J. McGinnity	46	21	.687	79	61	0.85	191	49	6	5	573.1	522		218	5	112	21	17			5	3.00	1.76	1.71	0.08		4.9	1.11	.266	3.42	8.19
21	Gaylord Perry G. Perry	45	44	.506	122	108	3.24	549	51	9	2	824.2	770	297	340	58	234	15	7	30	3,420	25	5.99	2.55	2.35	0.63	16.1	6.8	1.22	.278	3.71	8.40
22	Justin Verlander J. Verlander	44	26	.629	94	94	3.39	598	3	1	0	589.0	534	222	240	53	188	14	0	8	2,460	18	9.14	2.87	3.18	0.81	24.3	7.6	1.23	.299	3.67	8.16
23	Bartolo Colon B. Colon	44	29	.603	97	93	4.27	414	7	2	0	585.1	596	278	295	74	159	10	1	7	2,464	9	6.37	2.44	2.60	1.14	16.8	6.5	1.29	.289	4.54	9.16
24	Dennis Martinez D. Martinez	44	31	.587	113	89	3.70	336	24	8	4	643.0	659	264	297	54	181	19	11	14	2,718	9	4.70	2.53	1.86	0.76	12.4	6.7	1.31	.284	4.16	9.22
25	Waite Hoyt W. Hoyt	44	28	.611	121	76	3.35	237	45	5	9	709.0	739	264	301	28	183	12	31		3,003	10	3.01	2.32	1.30	0.36	7.9	6.1	1.30	.280	3.82	9.38