highest margin of victory average in a single season 1900 to 2024

The New York Giants had a run differential of 145 runs in 1930.

	TEAM	DIFF	AVG	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	OBP	SLG	OPS
1	Giants	145	.319	1930	154	.565	87	67	5,553	959	1,769	264	83	143	880	422	21	382	59		6,161	2,628	490	165	.369	.473	.842
2	Tigers	36	.316	1921	154	.464	71	82	5,456	887	1,723	270	99	58	793	581	29	373	95	89	6,293	2,365	427	227	.385	.433	.818
3	Phillies	-255	.315	1930	156	.338	52	102	5,667	944	1,783	345	44	126	884	450	23	459	34		6,288	2,594	515	148	.367	.458	.825
4	Cardinals	220	.314	1930	154	.597	92	62	5,512	1,004	1,732	373	89	104	942	479	28	496	72		6,204	2,595	566	185	.372	.471	.843
5	Browns	234	.310	1922	154	.604	93	61	5,425	868	1,684	292	94	98	785	471	35	380	136	75	6,130	2,458	484	199	.369	.453	.822
6	Yankees	165	.309	1930	154	.558	86	68	5,447	1,062	1,683	298	110	152	985	644	19	569	91	60	6,272	2,657	560	162	.384	.488	.872
7	Pirates	133	.309	1928	152	.559	85	67	5,371	837	1,659	246	100	52	768	435	29	352	64		6,037	2,261	398	202	.364	.421	.785
8	Phillies	-139	.309	1929	154	.464	71	82	5,484	897	1,693	305	51	153	841	573	24	470	59		6,216	2,559	509	135	.377	.467	.843
9	Cubs	128	.309	1930	156	.584	90	64	5,581	998	1,722	305	72	171	940	588	37	635	70		6,354	2,684	548	148	.378	.481	.859
10	Indians	216	.308	1921	154	.610	94	60	5,376	925	1,657	355	91	42	847	619	37	373	51	42	6,264	2,320	488	232	.383	.432	.815
11	Cardinals	128	.308	1921	154	.569	87	66	5,309	809	1,635	260	88	83	733	382	29	452	94	94	5,915	2,320	431	195	.358	.437	.795
12	Browns	26	.308	1920	154	.497	76	77	5,359	797	1,650	278	84	50	707	425	38	338	121	78	6,029	2,246	412	207	.363	.419	.782
13	Athletics	118	.308	1925	153	.579	88	64	5,393	831	1,659	298	79	76	767	448	31	430	67	60	6,059	2,343	453	187	.364	.434	.799
14	Pirates	129	.308	1922	155	.552	85	69	5,521	865	1,698	239	110	52	777	423	32	326	145	59	6,151	2,313	401	175	.360	.419	.779
15	Pirates	197	.307	1925	153	.621	95	58	5,372	912	1,651	316	105	78	820	499	30	363	159	63	6,036	2,411	499	135	.369	.449	.818
16	Yankees	371	.307	1927	155	.714	110	44	5,354	976	1,644	291	103	158	907	642	22	610	90	64	6,222	2,615	552	204	.384	.488	.872
17	Tigers	39	.306	1922	155	.513	79	75	5,360	828	1,642	247	89	54	735	530	36	382	78	60	6,168	2,229	390	242	.373	.416	.788
18	Pirates	158	.305	1927	156	.610	94	60	5,397	817	1,648	258	78	54	759	437	29	355	65		6,077	2,224	390	214	.361	.412	.773
19	Giants	194	.305	1922	156	.604	93	61	5,454	852	1,661	253	90	80	756	448	48	421	116	83	6,109	2,334	423	159	.363	.428	.790
20	Robins	133	.304	1930	154	.558	86	68	5,433	871	1,654	303	73	122	836	481	27	541	53		6,088	2,469	498	147	.364	.454	.818
21	Indians	-25	.304	1930	154	.526	81	73	5,439	890	1,654	356	60	72	830	481	26	460	51	47	6,120	2,346	488	174	.363	.431	.795
22	Athletics	116	.304	1927	155	.591	91	63	5,287	841	1,606	281	70	56	767	553	30	325	101	63	6,089	2,195	407	219	.373	.415	.788
23	Indians	59	.304	1936	157	.519	80	74	5,646	921	1,715	357	82	123	853	512	16	470	66	53	6,251	2,605	562	77	.363	.461	.825
24	Senators	158	.304	1925	152	.636	96	55	5,191	828	1,576	251	71	56	747	541	44	420	135	92	5,984	2,137	378	208	.374	.412	.786
25	Pirates	-37	.303	1930	154	.519	80	74	5,346	891	1,622	285	119	86	844	494	22	449	76		6,058	2,403	490	196	.365	.449	.814