which mlb team had the worst run differential in the modern era

Since 1900, the Philadelphia Phillies have the lowest run differential by a team, with a differential of -6,239 runs.

	TEAM	DIFF	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	Phillies	-6,239	19,470	.469	9,102	10,291	662,669	82,953	171,344	29,873	5,448	13,590	76,430	61,123	4,653	102,239	11,569	2,913	742,703	252,883	48,911	11,245	3,013	3,739	9,862	.259	.324	.382	.706
2	Orioles	-5,443	19,359	.475	9,135	10,114	657,579	83,585	169,679	29,325	4,911	14,432	77,281	63,281	4,476	98,331	10,546	2,781	738,968	252,122	48,668	10,531	3,101	2,575	10,841	.258	.326	.383	.709
3	Twins	-3,211	19,370	.482	9,285	9,976	660,780	85,172	173,295	29,756	6,333	12,016	78,413	62,357	5,159	94,469	12,014	3,079	741,650	251,765	48,105	10,189	3,165	2,663	10,970	.262	.329	.381	.710
4	Athletics	-3,078	19,322	.486	9,351	9,884	654,929	85,280	168,576	29,196	5,332	14,139	78,584	64,503	4,731	99,009	12,105	3,206	737,948	250,853	48,667	10,682	3,103	2,269	10,616	.257	.327	.383	.710
5	Padres	-2,833	8,891	.467	4,154	4,735	300,568	36,045	74,962	13,262	1,760	7,259	33,894	28,613	2,125	59,453	6,004	2,603	337,264	113,521	22,281	3,710	2,248	2,686	6,501	.249	.317	.378	.695
6	Marlins	-2,222	5,057	.459	2,321	2,736	171,893	21,279	43,791	8,330	982	4,606	20,175	15,545	1,834	38,277	3,251	1,292	192,265	67,903	13,918	1,717	1,276	1,203	3,797	.255	.321	.395	.716
7	Royals	-2,158	8,881	.477	4,234	4,645	303,767	38,832	79,766	14,911	2,291	7,002	36,648	25,998	2,458	52,120	7,090	2,895	337,259	120,265	24,204	2,368	2,668	1,868	6,779	.263	.323	.396	.719
8	Rangers	-2,081	10,174	.476	4,843	5,325	347,305	45,776	89,579	15,964	1,891	10,197	43,254	32,890	2,699	65,167	5,944	2,846	388,689	139,916	28,052	2,963	2,832	2,250	7,795	.258	.324	.403	.727
9	Rockies	-1,892	5,066	.460	2,329	2,737	173,988	25,063	47,006	9,281	1,308	5,727	23,833	15,984	1,581	37,705	3,054	1,366	194,912	76,084	16,316	2,002	1,357	1,209	3,864	.270	.335	.437	.772
10	Mariners	-1,636	7,596	.477	3,625	3,969	259,112	33,734	66,580	12,416	1,258	7,727	32,047	24,566	2,350	49,717	5,021	2,168	290,051	104,693	21,401	1,947	2,076	1,664	5,678	.257	.325	.404	.729
11	Braves	-1,543	19,498	.491	9,518	9,869	663,026	82,429	170,798	28,128	4,853	14,200	76,122	60,178	4,427	97,215	10,516	3,067	742,505	251,232	47,181	11,994	2,880	3,655	10,381	.258	.322	.379	.701
12	Nationals	-1,478	8,886	.483	4,286	4,596	300,537	37,227	76,257	14,710	1,789	7,605	34,989	28,256	2,626	57,187	6,549	2,776	337,584	117,360	24,104	3,879	2,286	2,881	6,501	.254	.321	.391	.712
13	Brewers	-821	8,889	.487	4,330	4,555	301,719	39,503	77,245	14,397	1,755	8,702	37,425	29,035	2,710	58,913	5,981	2,731	339,041	121,258	24,854	3,162	2,415	2,158	6,609	.256	.324	.402	.726
14	Mets	-773	10,019	.484	4,845	5,166	338,967	41,338	84,698	15,133	1,817	8,578	38,923	32,408	2,858	64,949	5,885	2,734	380,840	129,199	25,528	3,988	2,619	3,137	7,458	.250	.318	.381	.699
15	Angels	-717	10,184	.495	5,041	5,140	345,524	44,065	88,401	15,282	1,810	9,214	41,463	32,316	2,822	62,722	6,044	3,100	386,969	134,945	26,306	3,537	2,770	2,483	7,876	.256	.322	.391	.713
16	Reds	-652	19,530	.498	9,680	9,755	663,266	84,245	172,344	29,394	6,013	13,747	77,758	60,091	4,839	99,571	13,973	3,405	743,245	255,005	49,154	12,013	3,036	3,646	9,717	.260	.324	.384	.709
17	Rays	-483	4,316	.489	2,112	2,204	146,742	19,165	37,233	7,417	850	4,491	18,232	13,958	1,673	33,406	3,206	1,225	164,266	59,823	12,758	737	1,156	685	3,025	.254	.323	.408	.731
18	Diamondbacks	-282	4,319	.489	2,112	2,207	147,357	19,748	37,549	7,715	1,065	4,609	18,816	14,363	1,423	32,606	2,507	902	165,673	61,221	13,389	1,325	1,205	1,090	3,083	.255	.325	.415	.740
19	Terrapins	-193	314	.425	131	177	10,180	1,195	2,609	418	120	68	1,016	957	83	1,184	280		11,579	3,471	606	359				.256	.325	.341	.666
20	White Sox	-148	19,356	.499	9,608	9,645	655,378	84,068	170,166	28,203	5,550	12,286	77,276	62,088	5,248	92,065	13,624	3,482	738,302	246,327	46,039	12,368	3,220	2,461	10,519	.260	.327	.376	.703
21	Orioles	-122	276	.435	118	153	9,349	1,476	2,666	381	218	57	1,231	786	106	797	396		10,459	3,654	656	218				.285	.347	.391	.738
22	Packers	-43	307	.487	148	156	10,064	1,191	2,575	426	143	67	1,040	767	82	1,091	315		11,264	3,488	636	351				.256	.314	.347	.660
23	Blues	-42	308	.508	154	149	10,129	1,194	2,525	370	142	77	1,014	850	42	1,329	412		11,287	3,410	589	266				.249	.310	.337	.647
24	Tip-Tops	-41	310	.480	147	159	10,256	1,309	2,750	430	160	78	1,134	877	92	1,223	469		11,516	3,734	668	291				.268	.331	.364	.695
25	Terriers	-26	313	.489	149	156	10,223	1,199	2,598	392	146	49	1,026	1,079	70	1,150	308		11,783	3,429	587	411				.254	.329	.335	.665