worst mlb records by season all-time, minimum 154 games

The Cleveland Spiders have the worst record by a team with 154+ games played in a season, with a record of 20-134 in 1899.

	TEAM	REC	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	Spiders	20-134	154	1899	.130	20	134	5,279	529	1,333	142	50	12	454	289	65	280	127		5,690	1,611	204	57				.253	.299	.305	.605
2	Athletics	36-117	154	1916	.235	36	117	5,010	447	1,212	169	65	19	380	406	30	631	151		5,603	1,568	253	157				.242	.303	.313	.616
3	Mets	40-120	161	1962	.250	40	120	5,492	617	1,318	166	40	139	573	616	32	991	59	48	6,242	1,981	345	58	44	29	122	.240	.318	.361	.679
4	Senators	38-113	157	1904	.252	38	113	5,149	437	1,170	171	57	10	348	283	59	756	150		5,606	1,485	238	115				.227	.275	.288	.564
5	White Sox	41-121	162	2024	.253	41	121	5,383	507	1,187	226	9	133	485	395	43	1,403	90	33	5,866	1,830	368	18	27	8	116	.221	.278	.340	.618
6	Browns	39-111	154	1898	.260	39	111	5,214	571	1,290	149	55	13	470	383	84	405	104		5,798	1,588	217	117				.247	.309	.305	.614
7	Tigers	43-119	162	2003	.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
8	Pirates	42-112	155	1952	.273	42	112	5,193	515	1,201	181	30	92	478	486	26	724	43	41	5,775	1,718	303	70			104	.231	.300	.331	.631
9	Senators	42-110	156	1909	.276	42	110	4,983	382	1,113	149	41	9	306	321	42	618	136		5,541	1,371	199	195				.223	.276	.275	.551
10	Phillies	43-111	155	1941	.279	43	111	5,233	501	1,277	188	38	64	467	451	22	595	65		5,796	1,733	290	90			142	.244	.307	.331	.638
11	Browns	43-111	156	1939	.279	43	111	5,422	733	1,453	242	50	91	696	558	20	606	48	38	6,132	2,068	383	132			121	.268	.339	.381	.720
12	Red Sox	43-111	154	1932	.279	43	111	5,294	566	1,330	253	57	53	529	470	12	537	46	46	5,856	1,856	363	80				.251	.314	.351	.664
13	Athletics	43-109	154	1915	.283	43	109	5,081	545	1,204	183	72	16	440	436	54	634	127	89	5,708	1,579	271	137				.237	.304	.311	.615
14	Orioles	47-115	162	2018	.290	47	115	5,507	622	1,317	242	15	188	593	422	57	1,412	81	22	6,034	2,153	445	13	35	19	132	.239	.298	.391	.689
15	Rustlers	44-107	156	1911	.291	44	107	5,308	699	1,417	249	54	37	594	554	31	577	169		6,044	1,885	340	151				.267	.340	.355	.695
16	Tigers	47-114	161	2019	.292	47	114	5,549	582	1,333	292	41	149	556	391	48	1,595	57	20	6,039	2,154	482	9	42	14	108	.240	.294	.388	.682
17	Doves	45-108	155	1909	.294	45	108	5,017	428	1,121	125	43	14	338	400	30	551	135		5,629	1,374	182	182				.223	.285	.274	.559
18	Phillies	46-108	154	1945	.299	46	108	5,203	548	1,278	197	27	56	503	449	15	501	54		5,738	1,697	280	71			113	.246	.307	.326	.634
19	Browns	46-108	156	1937	.299	46	108	5,510	715	1,573	327	44	71	682	514	14	510	30	27	6,123	2,201	442	85				.285	.348	.399	.747
20	Red Sox	46-107	154	1926	.301	46	107	5,193	561	1,326	248	54	32	525	474	32	441	52	47	5,867	1,778	334	168				.255	.321	.342	.664
21	Phillies	47-107	155	1961	.305	47	107	5,213	584	1,265	185	50	103	549	475	46	928	56	30	5,870	1,859	338	108	28	46	130	.243	.310	.357	.667
22	Terrapins	47-107	154	1915	.305	47	107	5,060	550	1,235	196	53	36	465	470	37	619	128		5,745	1,645	285	178				.244	.313	.325	.638
23	Browns	47-107	158	1910	.305	47	107	5,077	454	1,105	131	60	12	347	415	36	841	169		5,671	1,392	203	143				.218	.281	.274	.556
24	Mets	50-112	164	1965	.309	50	112	5,441	495	1,202	203	27	107	460	392	39	1,129	28	42	5,976	1,780	337	76	28	40	121	.221	.277	.327	.604
25	Athletics	50-112	162	2023	.309	50	112	5,311	585	1,187	225	21	171	563	498	85	1,496	149	31	5,958	1,967	417	28	36	12	125	.223	.298	.370	.669