Since 1920, Lefty Grove has won the most games for the Philadelphia Athletics, with 195 wins.

Interpreted as:

a's picher with most regular-season wins since 1920

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Lefty Grove L. Grove	195	79	.712	402	267	2.88	1,523	179	20	50	2401.0	2,262	768	929	84	740	28	106		10,049	36	5.71	2.77	2.06	0.31	15.2	7.4	1.25	.284	3.48	66	3.21	75	8.48	288.3
2	Eddie Rommel E. Rommel	171	119	.590	501	249	3.54	599	145	18	30	2557.0	2,729	1,006	1,213	138	724	33	183		10,871	30	2.11	2.55	0.83	0.49	5.5	6.7	1.35	.276	4.27	83	4.15	98	9.61	25.4
3	Catfish Hunter C. Hunter	161	113	.588	363	340	3.13	1,520	116	31	1	2456.1	2,079	853	947	261	687	36	5	45	9,983	30	5.57	2.52	2.21	0.96	15.2	6.9	1.13	.243	3.47	94	3.54	102	7.62	-27.1
4	Rube Walberg R. Walberg	134	114	.540	412	266	4.11	907	125	15	29	2186.2	2,280	999	1,163	134	853	20	98		9,509	32	3.73	3.51	1.06	0.55	9.5	9.0	1.43	.283	4.79	95	4.22	99	9.38	16.8
5	Vida Blue V. Blue	124	86	.590	273	262	2.95	1,315	105	28	2	1945.2	1,650	638	731	139	617	18	2	28	7,935	57	6.08	2.85	2.13	0.64	16.6	7.8	1.17	.258	3.38	85	3.12	86	7.63	106.6
6	Dave Stewart D. Stewart	119	78	.604	257	245	3.73	1,152	49	9	0	1717.1	1,608	712	784	152	655	42	2	11	7,305	79	6.04	3.43	1.76	0.80	15.8	9.0	1.32	.275	4.11	96	3.84	97	8.43	17.3
7	Barry Zito B. Zito	102	63	.618	225	224	3.58	1,098	9	4	0	1437.1	1,240	572	628	152	566	65	1	14	6,035	26	6.88	3.54	1.94	0.95	18.2	9.4	1.26	.262	3.93	81	4.20	94	7.76	40.5
8	George Earnshaw G. Earnshaw	98	58	.628	219	175	4.18	757	88	13	10	1353.2	1,345	629	723	87	591	15	31		5,942	42	5.03	3.93	1.28	0.58	12.7	9.9	1.43	.280	4.81	94	4.20	96	8.94	28.7
9	Bob Welch B. Welch	96	60	.615	214	195	3.94	677	14	5	0	1271.1	1,263	556	608	134	469	42	4	18	5,431	18	4.79	3.32	1.44	0.95	12.5	8.6	1.36	.275	4.30	102	4.34	111	8.94	-64.2
10	Tim Hudson T. Hudson	92	39	.702	183	183	3.30	899	16	8	0	1240.2	1,134	455	509	94	382	47	0	33	5,150	39	6.52	2.77	2.35	0.68	17.5	7.4	1.22	.279	3.69	73	3.62	80	8.23	127
11	Alex Kellner A. Kellner	92	108	.460	291	239	4.54	755	95	9	6	1730.1	1,820	872	974	167	717	33	32	8	7,538	52	3.93	3.73	1.05	0.87	10.0	9.5	1.47	.282	5.07	110	4.16	101	9.47	-8.7
12	Mark Mulder M. Mulder	81	42	.659	150	150	3.92	668	22	8	0	1003.0	990	437	471	99	298	34	0	13	4,193	34	5.99	2.67	2.24	0.89	15.9	7.1	1.28	.288	4.23	87	3.98	88	8.88	58.1
13	Blue Moon Odom B. Moon Odom	80	76	.513	269	214	3.53	799	39	14	1	1414.2	1,249	555	638	95	732	35	17	40	6,090	87	5.08	4.66	1.09	0.60	13.1	12.0	1.40	.261	4.06	106	3.86	113	7.95	-75.2
14	Ken Holtzman K. Holtzman	77	55	.583	157	153	2.92	530	54	13	0	1084.1	997	352	414	75	277	18	0	15	4,451	27	4.40	2.30	1.91	0.62	11.9	6.2	1.17	.260	3.44	87	3.26	93	8.28	31.1
15	Rick Langford R. Langford	73	105	.410	248	195	3.97	654	85	10	0	1468.0	1,543	648	728	158	402	18	19	29	6,224	38	4.01	2.46	1.63	0.97	10.5	6.5	1.32	.277	4.46	104	4.06	102	9.46	-14.7
16	Chuck Dobson C. Dobson	72	64	.529	188	183	3.66	728	47	11	0	1200.1	1,105	488	536	117	450	16	4	31	5,046	49	5.46	3.37	1.62	0.88	14.4	8.9	1.30	.265	4.02	110	3.73	108	8.29	-38.8
17	Bobby Shantz B. Shantz	69	65	.515	220	124	3.80	566	61	11	11	1166.2	1,132	492	535	95	424	24	55	15	4,916	10	4.37	3.27	1.33	0.73	11.5	8.6	1.33	.272	4.13	90	3.71	90	8.73	53.5
18	Jack Quinn J. Quinn	69	47	.595	184	112	3.51	232	48	10	11	926.2	1,051	361	442	33	184	17	38		3,946	10	2.25	1.79	1.26	0.32	5.9	4.7	1.33	.293	4.29	82	3.67	86	10.21	58.7
19	Phil Marchildon P. Marchildon	68	75	.476	184	162	3.92	481	82	6	2	1213.0	1,083	529	604	81	682	23	18		5,302	45	3.57	5.06	0.71	0.60	9.1	12.9	1.46	.248	4.48	102	4.34	114	8.04	-72.3
20	Rollie Fingers R. Fingers	67	61	.523	502	37	2.91	784	4	2	136	1016.0	860	328	375	75	293	34	338	47	4,116	21	6.94	2.60	2.68	0.66	19.0	7.1	1.13	.268	3.32	86	2.92	82	7.62	71.3
21	Slim Harriss S. Harriss	67	93	.419	257	169	4.21	496	68	4	15	1291.1	1,434	604	739	60	498	28	55		5,657	14	3.46	3.47	1.00	0.42	8.8	8.8	1.50	.300	5.15	100	4.05	97	9.99	22.7
22	Mike Moore M. Moore	66	46	.589	137	137	3.54	515	14	4	0	874.0	802	344	383	59	375	18	0	9	3,707	66	5.30	3.86	1.37	0.61	13.9	10.1	1.35	.271	3.94	95	3.84	101	8.26	-4.3
23	Dick Fowler D. Fowler	66	79	.455	221	170	4.11	382	75	11	4	1303.0	1,367	595	685	98	578	19	36		5,680	12	2.64	3.99	0.66	0.68	6.7	10.2	1.49	.276	4.73	104	4.27	109	9.44	-52.4
24	Curt Young C. Young	65	51	.560	228	155	4.33	516	15	3	0	1039.1	1,053	500	546	145	349	31	13	9	4,436	26	4.47	3.02	1.48	1.26	11.6	7.9	1.35	.267	4.73	112	4.71	119	9.12	-88.9
25	Roy Mahaffey R. Mahaffey	64	43	.598	197	119	4.82	345	44	0	4	982.0	1,085	526	599	77	402	22	37		4,399	25	3.16	3.68	0.86	0.71	7.8	9.1	1.51	.284	5.49	107	4.70	106	9.94	-31.3