team with worst run differential in a single season from 1990 to 2005

Between the 1990 and 2005 seasons, the Detroit Tigers had the lowest run differential by a team in a season, with a differential of -337 runs in 2003.

	TEAM	DIFF	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	Tigers	-337	2003	162	.265	43	119	5,466	591	1,312	201	39	153	553	443	47	1,099	98	63	6,070	2,050	393	65	49	24	114	.240	.300	.375	.675
2	Tigers	-320	1996	162	.327	53	109	5,530	783	1,413	257	21	204	741	546	29	1,268	87	50	6,202	2,324	482	48	49	26	132	.256	.323	.420	.743
3	Tigers	-289	2002	161	.342	55	106	5,406	575	1,340	265	37	124	546	363	64	1,035	65	44	5,920	2,051	426	30	57	22	125	.248	.300	.379	.679
4	Diamondbacks	-284	2004	162	.315	51	111	5,544	615	1,401	295	38	135	582	441	35	1,022	53	32	6,113	2,177	468	56	37	38	137	.253	.310	.393	.703
5	Marlins	-256	1998	162	.333	54	108	5,558	667	1,381	277	36	114	621	525	45	1,120	115	57	6,227	2,072	427	70	29	30	121	.248	.317	.373	.690
6	Devil Rays	-245	2002	161	.342	55	106	5,604	673	1,418	297	35	133	640	456	58	1,115	102	45	6,198	2,184	465	44	36	29	116	.253	.314	.390	.704
7	Royals	-234	2005	162	.346	56	106	5,503	701	1,445	289	34	126	653	424	63	1,008	53	33	6,086	2,180	449	46	50	23	139	.263	.320	.396	.716
8	Devil Rays	-215	2001	162	.383	62	100	5,524	672	1,426	311	21	121	645	456	54	1,116	115	52	6,104	2,142	453	45	25	24	130	.258	.320	.388	.707
9	Rockies	-209	1993	162	.414	67	95	5,517	758	1,507	278	59	142	704	388	46	944	146	90	6,073	2,329	479	70	52	40	125	.273	.323	.422	.745
10	Pirates	-201	2001	162	.383	62	100	5,398	657	1,333	256	25	161	618	467	67	1,106	93	73	6,027	2,122	442	60	35	51	114	.247	.313	.393	.706
11	Brewers	-194	2002	162	.346	56	106	5,415	627	1,369	269	29	139	597	500	55	1,125	94	50	6,083	2,113	437	79	34	37	144	.253	.320	.390	.711
12	Reds	-192	2003	162	.426	69	93	5,509	694	1,349	239	21	182	669	524	79	1,326	80	34	6,210	2,176	442	66	32	34	102	.245	.318	.395	.713
13	Tigers	-190	1995	144	.417	60	84	4,865	654	1,204	228	29	159	619	551	41	987	73	36	5,535	1,967	416	35	43	30	121	.247	.327	.404	.731
14	Devil Rays	-186	2005	162	.414	67	95	5,552	750	1,519	289	40	157	717	412	69	990	151	49	6,118	2,359	486	34	51	25	133	.274	.329	.425	.754
15	Twins	-186	1995	144	.389	56	88	5,005	703	1,398	270	34	120	662	471	58	916	105	57	5,588	2,096	424	18	36	32	152	.279	.346	.419	.765
16	Royals	-185	2004	162	.358	58	104	5,538	720	1,432	261	29	150	675	461	76	1,057	67	48	6,153	2,201	440	40	38	28	130	.259	.322	.397	.720
17	Royals	-185	1998	161	.447	72	89	5,546	714	1,459	274	40	134	686	475	60	984	135	50	6,191	2,215	448	45	65	24	118	.263	.324	.399	.724
18	Indians	-183	1991	162	.352	57	105	5,470	576	1,390	236	26	79	546	449	43	888	84	58	6,070	1,915	341	62	46	24	146	.254	.313	.350	.663
19	Athletics	-182	1997	162	.401	65	97	5,589	764	1,451	274	23	197	714	642	49	1,181	71	36	6,369	2,362	494	49	40	23	133	.260	.339	.423	.762
20	Angels	-181	1996	161	.435	70	91	5,686	762	1,571	256	24	192	727	527	29	974	53	39	6,320	2,451	472	45	33	40	148	.276	.339	.431	.770
21	Cubs	-173	1999	162	.414	67	95	5,482	747	1,411	255	35	189	717	571	39	1,170	60	44	6,201	2,303	479	65	44	38	120	.257	.329	.420	.749
22	Phillies	-172	1997	162	.420	68	94	5,443	668	1,390	290	35	116	622	519	40	1,032	92	56	6,126	2,098	441	74	50	32	105	.255	.322	.385	.707
23	Expos	-164	2000	162	.414	67	95	5,535	738	1,475	310	35	178	705	476	29	1,048	58	48	6,152	2,389	523	78	34	53	111	.266	.326	.432	.758
24	Marlins	-161	1999	162	.395	64	98	5,578	691	1,465	266	44	128	655	479	59	1,145	92	46	6,216	2,203	438	44	56	30	119	.263	.325	.395	.719
25	Diamondbacks	-160	2005	162	.475	77	85	5,550	696	1,419	291	27	191	670	606	55	1,094	67	26	6,327	2,337	509	71	45	51	132	.256	.332	.421	.754