What is the margin of differential for pirates?

	TEAM	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Alleghenys	1882	79	.500	39	39	2,889	426	725	106	59	18		92		183			2,981	1,003	183					.251		.347
2	Alleghenys	1883	98	.316	31	67	3,607	525	892	120	58	13		164		345			3,771	1,167	191					.247		.324
3	Alleghenys	1884	110	.278	30	78	3,689	406	777	105	50	2		143	41	411			3,873	988	157					.211	.248	.268	.516
4	Alleghenys	1885	111	.505	56	55	3,975	547	955	123	79	5	371	189	44	537			4,208	1,251	207					.240	.282	.315	.597
5	Alleghenys	1886	140	.584	80	57	4,854	810	1,171	186	96	16	563	478	38	713	260		5,370	1,597	298					.241	.314	.329	.643
6	Alleghenys	1887	125	.444	55	69	4,414	621	1,141	183	78	20	479	319	38	381	221		4,771	1,540	281					.258	.314	.349	.663
7	Alleghenys	1888	139	.493	66	68	4,713	534	1,070	150	49	14	390	194	46	583	287		4,953	1,360	213					.227	.264	.289	.553
8	Alleghenys	1889	134	.462	61	71	4,748	726	1,202	209	65	42	597	420	44	467	231		5,212	1,667	316					.253	.320	.351	.671
9	Alleghenys	1890	138	.169	23	113	4,739	597	1,088	160	43	20	426	408	66	460	208		5,213	1,394	223					.230	.300	.294	.594
10	Pirates	1891	137	.407	55	80	4,794	679	1,148	148	71	29	524	427	50	503	205		5,271	1,525	248					.239	.308	.318	.626
11	Pirates	1892	155	.523	80	73	5,469	802	1,288	143	108	38	600	435	44	453	222		5,948	1,761	289					.236	.297	.322	.619
12	Pirates	1893	131	.628	81	48	4,834	970	1,447	176	127	37	816	537	62	274	210		5,433	1,988	340					.299	.377	.411	.788
13	Pirates	1894	133	.500	65	65	4,700	965	1,465	223	125	48	812	444	68	210	257		5,375	2,082	396	163				.312	.379	.443	.822
14	Pirates	1895	135	.538	71	61	4,677	815	1,355	192	89	27	677	378	65	299	257		5,226	1,806	308	106				.290	.351	.386	.737
15	Pirates	1896	131	.512	66	63	4,701	787	1,371	169	94	27	667	387	58	286	217		5,254	1,809	290	108				.292	.353	.385	.738
16	Pirates	1897	135	.458	60	71	4,590	676	1,266	140	108	25	575	359	67	333	170		5,114	1,697	273	98				.276	.337	.370	.707
17	Pirates	1898	152	.486	72	76	5,087	634	1,313	140	88	14	520	336	74	339	107		5,638	1,671	242	141				.258	.313	.328	.642
18	Pirates	1899	155	.510	76	73	5,486	841	1,582	196	121	29	706	386	63	344	179		6,079	2,107	346	144				.288	.342	.384	.726
19	Pirates	1900	140	.568	79	60	4,817	733	1,312	185	100	26	602	327	63	319	174		5,317	1,775	311	110				.272	.327	.368	.695
20	Pirates	1901	140	.647	90	49	4,913	777	1,407	182	92	29	636	386	52	497	203		5,468	1,860	303	117				.286	.345	.379	.723
21	Pirates	1902	142	.741	103	36	4,926	774	1,410	189	95	18	660	372	64	440	222		5,480	1,843	302	118				.286	.344	.374	.718
22	Pirates	1903	141	.650	91	49	4,988	793	1,429	208	110	34	650	364	50	400	172		5,511	1,959	352	109				.286	.341	.393	.734
23	Pirates	1904	156	.569	87	66	5,160	675	1,333	164	102	15	523	391	47	516	178		5,714	1,746	281	116				.258	.316	.338	.655
24	Pirates	1905	155	.627	96	57	5,213	692	1,385	190	91	22	564	382	36	512	202		5,790	1,823	303	159				.266	.320	.350	.670
25	Pirates	1906	154	.608	93	60	5,030	622	1,313	164	67	12	497	424	42	385	162		5,686	1,647	243	190				.261	.324	.327	.651
	Total		21,845	.500	10,854	10,851	748,268	97,157	196,940	32,345	8,934	12,252	86,666	64,317	5,528	99,597	15,682	3,269	833,911	283,909	53,531	12,560	3,115	3,698	10,053	.263	.325	.379	.704