team with worst run differential in a single season with 160+ games played from 1970 to 1980

Between the 1970 and 1980 seasons, the San Diego Padres had the lowest run differential by a team with 160+ games played in a season, with a differential of -289 runs in 1974.

	TEAM	DIFF	G	SEASON	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	Padres	-289	162	1974	.370	60	102	5,415	541	1,239	196	27	99	506	564	20	900	85	45	6,117	1,786	322	83	35	52	105	.229	.302	.330	.632
2	Athletics	-287	162	1979	.333	54	108	5,348	573	1,276	188	32	108	541	482	20	751	104	69	5,971	1,852	328	75	46	36	131	.239	.302	.346	.648
3	Blue Jays	-249	162	1979	.327	53	109	5,423	613	1,362	253	34	95	562	448	36	663	75	56	6,010	1,968	382	65	38	21	131	.251	.311	.363	.673
4	Mariners	-231	162	1977	.395	64	98	5,460	624	1,398	218	33	133	589	426	35	769	110	67	6,044	2,081	384	81	42	22	114	.256	.312	.381	.693
5	Rangers	-225	162	1973	.352	57	105	5,488	619	1,397	195	29	110	574	503	27	791	91	53	6,113	1,980	334	45	50	27	132	.255	.318	.361	.678
6	Padres	-222	162	1973	.370	60	102	5,457	548	1,330	198	26	112	516	401	21	966	88	36	5,985	1,916	336	73	33	46	115	.244	.296	.351	.647
7	Mariners	-220	160	1978	.350	56	104	5,358	614	1,327	229	37	97	571	522	22	702	123	47	6,023	1,921	363	68	53	25	112	.248	.314	.359	.673
8	Braves	-217	162	1977	.377	61	101	5,534	678	1,404	218	20	139	638	537	17	876	82	53	6,205	2,079	377	83	34	50	135	.254	.320	.376	.696
9	Blue Jays	-217	161	1977	.335	54	107	5,419	605	1,367	230	41	100	553	499	23	819	65	55	6,056	1,979	371	81	34	34	156	.252	.316	.365	.681
10	Indians	-204	162	1971	.370	60	102	5,467	543	1,303	200	20	109	507	467	31	868	57	37	6,061	1,870	329	67	29	44	127	.238	.300	.342	.643
11	Expos	-203	162	1976	.340	55	107	5,428	531	1,275	224	32	94	507	433	16	841	86	44	5,992	1,845	350	75	40	43	107	.235	.291	.340	.631
12	White Sox	-189	162	1970	.346	56	106	5,514	633	1,394	192	20	123	587	477	42	872	53	33	6,132	1,995	335	51	48	41	132	.253	.315	.362	.676
13	Blue Jays	-185	161	1978	.366	59	102	5,430	590	1,358	217	39	98	551	448	23	645	28	52	6,015	1,947	354	77	37	23	124	.250	.308	.359	.667
14	Mariners	-183	163	1980	.364	59	103	5,489	610	1,359	211	35	104	564	483	19	727	116	62	6,141	1,952	350	106	44	44	136	.248	.308	.356	.664
15	White Sox	-159	161	1976	.398	64	97	5,532	586	1,410	209	46	73	538	471	34	739	120	53	6,171	1,930	328	79	55	43	104	.255	.314	.349	.663
16	Athletics	-158	162	1978	.426	69	93	5,321	532	1,304	200	31	100	492	433	25	800	144	117	5,914	1,866	331	108	27	33	106	.245	.303	.351	.654
17	Cubs	-157	162	1974	.407	66	96	5,574	669	1,397	221	42	110	610	621	29	857	78	73	6,344	2,032	373	80	40	66	121	.251	.327	.365	.691
18	Braves	-156	161	1975	.416	67	94	5,424	583	1,323	179	28	107	541	543	18	759	55	38	6,092	1,879	314	72	35	58	139	.244	.313	.346	.659
19	Braves	-150	162	1978	.426	69	93	5,381	600	1,313	191	39	123	558	550	27	874	90	65	6,066	1,951	353	61	47	53	140	.244	.315	.363	.677
20	Tigers	-148	162	1974	.444	72	90	5,568	620	1,375	200	35	131	579	436	24	784	67	38	6,106	2,038	366	41	37	33	132	.247	.303	.366	.669
21	Indians	-146	162	1973	.438	71	91	5,592	680	1,429	205	29	158	636	471	32	793	60	68	6,178	2,166	392	40	43	26	125	.256	.315	.387	.702
22	Athletics	-144	161	1977	.391	63	98	5,358	605	1,284	176	37	117	548	516	36	910	176	89	6,020	1,885	330	64	46	37	111	.240	.308	.352	.660
23	Padres	-142	162	1977	.426	69	93	5,602	692	1,397	245	49	120	652	602	29	1,057	133	57	6,353	2,100	414	90	30	64	102	.249	.324	.375	.699
24	Blue Jays	-138	162	1980	.414	67	95	5,571	624	1,398	249	53	126	580	448	33	813	67	72	6,149	2,131	428	63	34	44	119	.251	.309	.383	.691
25	Brewers	-138	163	1970	.401	65	97	5,395	613	1,305	202	24	126	571	592	36	985	91	73	6,170	1,933	352	115	32	54	132	.242	.319	.358	.678