The San Francisco Giants won 54.0 percent of the time between the 1800 and 2005 seasons.

	TEAM	W%	SEASON	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Gothams	.479	1883	46	50	98	3,524	530	900	139	69	24	371	127		297			3,651	1,249	232					.255		.354
2	Gothams	.554	1884	62	50	116	4,124	693	1,053	149	68	22	497	249		492			4,373	1,404	239					.255		.340
3	Gothams	.759	1885	85	27	112	4,029	691	1,085	150	82	16	464	221		312			4,250	1,447	248					.269		.359
4	Giants	.630	1886	75	44	124	4,298	692	1,156	175	68	21	527	237		410	155		4,535	1,530	264					.269		.356
5	Giants	.553	1887	68	55	129	4,516	816	1,259	167	93	48	651	361	47	326	415		4,924	1,756	308					.279	.339	.389	.727
6	Giants	.641	1888	84	47	138	4,747	659	1,149	130	76	55	489	270	29	456	314		5,046	1,596	261					.242	.287	.336	.623
7	Giants	.659	1889	83	43	131	4,671	935	1,319	208	77	52	744	538	27	386	292		5,236	1,837	337					.282	.360	.393	.753
8	Giants	.481	1890	63	68	135	4,832	713	1,250	208	89	25	563	350	50	477	289		5,232	1,711	322					.259	.315	.354	.669
9	Giants	.538	1891	71	61	136	4,833	754	1,271	189	72	46	630	438	36	394	224		5,307	1,742	307					.263	.329	.360	.689
10	Giants	.470	1892	71	80	153	5,291	811	1,329	173	85	39	645	510	34	474	301		5,835	1,789	297					.251	.321	.338	.659
11	Giants	.515	1893	68	64	136	4,858	941	1,424	182	101	61	768	504	56	280	299		5,418	1,991	344					.293	.366	.410	.776
12	Giants	.667	1894	88	44	139	4,879	962	1,469	199	96	45	806	489	33	219	326		5,481	1,995	340	80				.301	.369	.409	.778
13	Giants	.504	1895	66	65	132	4,605	852	1,324	191	90	32	699	454	30	292	292		5,127	1,791	313	38				.288	.355	.389	.744
14	Giants	.489	1896	64	67	133	4,661	829	1,383	159	87	40	720	439	54	271	274		5,226	1,836	286	72				.297	.364	.394	.758
15	Giants	.634	1897	83	48	138	4,871	901	1,452	188	84	31	760	412	67	330	332		5,395	1,901	303	45				.298	.361	.390	.751
16	Giants	.513	1898	77	73	157	5,349	837	1,422	190	86	34	712	428	69	369	214		5,907	1,886	310	61				.266	.328	.353	.681
17	Giants	.400	1899	60	90	153	5,125	741	1,441	165	66	23	612	389	46	357	235		5,621	1,807	254	61				.281	.337	.353	.690
18	Giants	.435	1900	60	78	141	4,724	713	1,317	177	61	23	564	369	56	345	236		5,229	1,685	261	80				.279	.338	.357	.695
19	Giants	.380	1901	52	85	141	4,839	544	1,225	167	46	19	458	303	45	578	133		5,260	1,541	232	73				.253	.303	.318	.622
20	Giants	.353	1902	48	88	141	4,632	405	1,097	147	34	6	338	254	40	544	187		5,034	1,330	187	108				.237	.282	.287	.570
21	Giants	.604	1903	84	55	142	4,741	729	1,290	181	49	20	570	379	92	465	264		5,397	1,629	250	185				.272	.338	.344	.681
22	Giants	.693	1904	106	47	158	5,150	744	1,347	202	65	31	564	434	79	459	283		5,828	1,772	298	165				.262	.328	.344	.673
23	Giants	.686	1905	105	48	155	5,094	778	1,392	191	88	39	642	517	90	497	291		5,839	1,876	318	138				.273	.351	.368	.719
24	Giants	.632	1906	96	56	153	4,768	625	1,217	162	53	14	513	563	71	531	288		5,556	1,527	229	154				.255	.343	.320	.663
25	Giants	.536	1907	82	71	155	4,874	573	1,222	160	48	23	475	516	69	508	205		5,624	1,547	231	165				.251	.331	.317	.648
	Total	.540		10,037	8,548	18,748	640,235	87,929	169,604	26,167	6,396	12,853	78,032	59,127	4,714	76,792	15,101	2,583	717,091	247,122	45,416	10,821	2,194	3,280	7,860	.265	.331	.386	.717