most games with a run differential of -1 or worse by a team in a season since 1901

Since 1901, the St. Louis Cardinals have the most games by a team with a run differential of -1 or above in a season, with 135 games in 1943.

Interpreted as:

most games with a run differential of -1 or more or worse by a team in a season since 1901

	TEAM	G	DIFF	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	Cardinals	135	306	1943	.795	105	27	4,678	638	1,339	226	63	69	597	389	16	380	40		5,247	1,898	358	164			79	.286	.343	.406	.749
2	Cardinals	132	366	1942	.815	106	24	4,611	706	1,280	253	64	55	639	500	20	415	68		5,253	1,826	372	122			72	.278	.351	.396	.747
3	Cubs	132	414	1906	.899	116	13	4,246	656	1,158	165	67	19		404	37		251		4,907	1,514	251	220				.273	.341	.357	.698
4	Yankees	131	337	1961	.838	109	21	4,492	735	1,229	167	37	207	692	460	31	617	27	19	5,075	2,091	411	52	40	43	98	.274	.342	.465	.808
5	Dodgers	130	387	2021	.815	106	24	4,413	753	1,148	218	22	207	726	513	83	1,099	58	16	5,081	2,031	447	29	43	36	79	.260	.345	.460	.805
6	Orioles	130	373	1969	.838	109	21	4,478	705	1,239	203	29	155	655	531	33	629	67	39	5,156	1,965	387	64	50	58	108	.277	.354	.439	.793
7	Yankees	130	471	1927	.853	110	19	4,507	900	1,435	260	93	147	838	571	17	503	80		5,287	2,322	500	192				.318	.397	.515	.912
8	Giants	130	393	1904	.848	106	19	4,243	678	1,137	172	63	24		357	68		250		4,785	1,507	259	160				.268	.335	.355	.690
9	Indians	129	299	2005	.721	93	36	4,530	722	1,293	288	28	186	695	424	36	885	56	26	5,071	2,195	502	35	46	33	94	.285	.348	.485	.833
10	Mets	129	291	1985	.760	98	31	4,445	627	1,192	205	31	120	585	474	19	706	107	51	5,051	1,819	356	76	37	85	100	.268	.339	.409	.748
11	Dodgers	129	305	1977	.760	98	31	4,494	684	1,246	187	25	167	651	502	19	695	97	51	5,129	1,984	379	75	39	63	81	.277	.350	.441	.791
12	Dodgers	128	414	2019	.828	106	22	4,380	796	1,187	258	17	244	774	510	60	1,055	53	9	5,039	2,211	519	49	40	40	78	.271	.352	.505	.857
13	Mariners	128	440	2001	.906	116	12	4,537	829	1,376	275	33	142	789	516	48	740	150	33	5,205	2,143	450	44	60	51	91	.303	.376	.472	.848
14	Mets	128	343	1986	.844	108	20	4,436	699	1,230	216	26	128	650	530	29	746	104	42	5,106	1,882	370	66	45	64	90	.277	.355	.424	.779
15	Reds	128	374	1975	.844	108	20	4,467	774	1,274	236	33	109	718	586	33	735	147	31	5,194	1,903	378	65	43	61	85	.285	.369	.426	.795
16	Twins	128	310	1969	.758	97	31	4,555	714	1,280	202	29	142	664	506	36	719	104	63	5,194	1,966	373	61	36	74	83	.281	.355	.432	.787
17	Tigers	128	311	1968	.817	103	23	4,354	612	1,097	154	31	162	584	436	49	748	23	30	4,937	1,799	347	66	32	51	94	.252	.325	.413	.738
18	Cardinals	128	407	1944	.840	105	20	4,512	708	1,308	239	53	87	663	457	20	379	33		5,108	1,914	379	119			72	.290	.358	.424	.782
19	Yankees	128	397	1932	.849	107	19	4,512	882	1,314	240	72	142	839	645	26	427	70		5,254	2,124	454	71				.291	.383	.471	.854
20	Astros	127	396	2018	.811	103	24	4,345	733	1,193	245	14	189	704	472	52	928	60	24	4,923	2,033	448	13	41	19	120	.275	.350	.468	.818
21	Cubs	127	399	2016	.817	103	23	4,374	713	1,191	247	23	165	678	546	83	1,027	56	26	5,073	1,979	435	37	33	41	87	.272	.361	.452	.814
22	Braves	127	385	1998	.835	106	21	4,287	711	1,208	238	24	176	680	442	49	822	86	35	4,883	2,022	438	68	37	33	81	.282	.353	.472	.825
23	Yankees	127	344	1947	.770	97	29	4,374	727	1,235	202	62	105	684	515	21	458	26		4,988	1,876	369	78			91	.282	.361	.429	.790
24	Athletics	127	334	1914	.818	99	22	4,134	686	1,184	141	74	25		473	47		194		4,849	1,548	240	195				.286	.366	.374	.741
25	Cubs	127	311	1907	.863	107	17	4,025	527	1,039	132	43	12		394	40		213		4,638	1,293	187	179				.258	.330	.321	.652