Gary Lavelle has pitched in the most career games for the Giants, with 647 games.

Interpreted as:

most regular-season games by giants pitcher

	NAME	G	W	L	W%	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	Gary Lavelle G. Lavelle	647	73	67	.521	3	2.82	696	0	0	127	980.1	910	307	359	44	382	13	369	117	4,149	18	6.39	3.51	1.82	0.40	16.8	9.2	1.32	.287	3.30	79	3.05	87	8.35	51.2
2	Christy Mathewson C. Mathewson	635	372	188	.664	551	2.12	2,504	434	79	30	4779.2	4,204	1,127	1,612	88	847	59	73		18,870	114	4.71	1.59	2.96	0.17	13.3	4.5	1.06	.268	3.04	74	2.26	76	7.92	363.8
3	Greg Minton G. Minton	552	45	52	.464	7	3.23	352	0	0	125	870.1	857	312	361	33	376	9	335	112	3,732	47	3.64	3.89	0.94	0.34	9.4	10.1	1.42	.278	3.73	91	3.72	105	8.86	-16.8
4	Carl Hubbell C. Hubbell	535	253	154	.622	433	2.98	1,677	260	36	33	3590.1	3,461	1,188	1,380	227	725	53	82		14,805	53	4.20	1.82	2.31	0.57	11.3	4.9	1.17	.267	3.46	76	3.55	89	8.68	174.2
5	Sergio Romo S. Romo	515	32	26	.552	0	2.58	498	0	0	84	439.2	331	126	136	39	89	17	187	13	1,737	12	10.19	1.82	5.60	0.80	28.7	5.1	0.96	.267	2.78	69	2.70	72	6.78	53.2
6	Randy Moffitt R. Moffitt	459	35	46	.432	1	3.68	397	0	0	83	682.1	678	279	313	53	249	18	254	64	2,954	32	5.24	3.28	1.59	0.70	13.4	8.4	1.36	.279	4.13	101	3.61	102	8.94	-5.9
7	Juan Marichal J. Marichal	458	238	140	.630	446	2.84	2,281	244	52	2	3443.2	3,081	1,086	1,288	315	690	38	10	80	13,958	51	5.96	1.80	3.31	0.82	16.3	4.9	1.10	.260	3.37	80	3.02	88	8.05	155.7
8	Javier Lopez J. Lopez	446	17	8	.680	0	2.47	184	0	0	10	251.0	194	69	77	8	104	7	88	23	1,037	6	6.60	3.73	1.77	0.29	17.7	10.0	1.19	.253	2.76	68	3.36	91	6.96	8.8
9	Amos Rusie A. Rusie	427	234	163	.589	403	2.89	1,835	372	29	5	3531.2	3,100	1,134	1,862	62	1,588	103	24		15,168	142	4.68	4.05	1.16	0.16	12.1	10.5	1.33	.262	4.75	74	3.67	91	7.90	126.9
10	Mickey Welch M. Welch	427	238	146	.620	412	2.69	1,570	391	28	4	3579.0	3,308	1,068	1,828	85	1,077	52	15		15,131	222	3.95	2.71	1.46	0.21	10.4	7.1	1.23	.261	4.60	83	3.40	101	8.32	-25.8
11	Rod Beck R. Beck	416	21	28	.429	0	2.97	393	0	0	199	463.0	404	153	164	52	93	11	346	17	1,866	13	7.64	1.81	4.23	1.01	21.1	5.0	1.07	.267	3.19	77	3.43	85	7.85	28.7
12	Santiago Casilla S. Casilla	414	32	22	.593	0	2.42	366	0	0	123	394.2	303	106	118	30	155	20	212	21	1,619	32	8.35	3.53	2.36	0.68	22.6	9.6	1.16	.260	2.69	65	3.55	96	6.91	6
13	Jeremy Affeldt J. Affeldt	414	17	18	.486	0	3.06	293	0	0	10	361.2	319	123	136	22	147	23	71	20	1,536	25	7.29	3.66	1.99	0.55	19.1	9.6	1.29	.283	3.38	83	3.66	98	7.94	2.9
14	Freddie Fitzsimmons F. Fitzsimmons	403	170	114	.599	327	3.54	693	150	22	9	2514.1	2,607	988	1,186	156	670	22	55		10,573	51	2.48	2.40	1.03	0.56	6.6	6.3	1.30	.271	4.25	90	4.15	104	9.33	-46.2
15	Felix Rodriguez F. Rodriguez	395	34	19	.642	0	3.06	376	0	0	5	403.0	340	137	149	33	175	18	102	11	1,704	19	8.40	3.91	2.15	0.74	22.1	10.3	1.28	.279	3.33	73	3.69	87	7.59	26.5
16	Jim Barr J. Barr	394	90	96	.484	220	3.41	650	59	20	11	1800.1	1,863	682	765	127	391	24	63	67	7,475	18	3.25	1.95	1.66	0.63	8.7	5.2	1.25	.276	3.82	93	3.48	98	9.31	12.6
17	Hal Schumacher H. Schumacher	391	158	121	.566	329	3.36	906	137	26	7	2482.1	2,424	926	1,080	140	902	24	37		10,571	54	3.28	3.27	1.00	0.51	8.6	8.5	1.34	.266	3.92	90	4.02	104	8.79	-48
18	Tyler Rogers T. Rogers	377	25	19	.568	0	2.77	289	0	0	19	383.0	344	118	131	26	74	25	62	4	1,567	3	6.79	1.74	3.91	0.61	18.4	4.7	1.09	.276	3.08	68	3.31	83	8.08	30.6
19	Gaylord Perry G. Perry	367	134	109	.551	283	2.96	1,606	125	21	9	2294.1	2,061	755	892	165	581	50	30	89	9,417	81	6.30	2.28	2.76	0.65	17.1	6.2	1.15	.270	3.50	85	2.88	86	8.08	124.4
20	Robb Nen R. Nen	365	24	25	.490	0	2.43	453	0	0	206	378.1	297	102	119	24	113	5	331	23	1,546	16	10.78	2.69	4.01	0.57	29.3	7.3	1.08	.287	2.83	58	2.44	57	7.07	79.7
21	Mike McCormick M. McCormick	357	107	96	.527	252	3.68	1,030	78	19	11	1822.2	1,737	745	833	195	616	22	52	84	7,701	64	5.09	3.04	1.67	0.96	13.4	8.0	1.29	.264	4.11	101	3.83	108	8.58	-62.9
22	Scott Garrelts S. Garrelts	352	69	53	.566	89	3.29	703	9	4	48	959.1	815	351	395	74	413	13	162	53	4,025	48	6.60	3.87	1.70	0.69	17.5	10.3	1.28	.263	3.71	93	3.64	99	7.65	4.4
23	Bobby Bolin B. Bolin	345	73	56	.566	144	3.26	977	29	10	22	1282.1	1,088	465	542	129	477	53	87	55	5,400	47	6.86	3.35	2.05	0.91	18.1	8.8	1.22	.255	3.80	94	3.55	106	7.64	-29.7
24	Matt Cain M. Cain	342	104	118	.468	331	3.68	1,694	15	6	0	2085.2	1,849	853	910	211	712	62	4	42	8,699	70	7.31	3.07	2.38	0.91	19.5	8.2	1.23	.272	3.93	93	3.91	99	7.98	9.2
25	Hooks Wiltse H. Wiltse	339	136	85	.615	222	2.48	948	151	27	28	2053.0	1,843	565	765	53	491	38	100		8,187	40	4.16	2.15	1.93	0.23	11.6	6.0	1.14	.269	3.35	89	2.56	90	8.08	67.4