which american league team had the best run differential season since 1973

Since 1973, the New York Yankees have the highest run differential by an AL team in a season, with a differential of 309 runs in 1998.

	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	Yankees	309	1998	162	.704	114	48	5,643	965	1,625	290	31	207	907	653	57	1,025	153	63	6,444	2,598	528	32	59	34	145	.288	.364	.460	.825
2	Mariners	300	2001	162	.716	116	46	5,680	927	1,637	310	38	169	881	614	62	989	174	42	6,474	2,530	517	48	70	54	112	.288	.360	.445	.805
3	Astros	280	2019	162	.660	107	55	5,613	920	1,538	323	28	288	891	645	66	1,166	67	27	6,391	2,781	639	10	57	17	146	.274	.352	.495	.848
4	Astros	263	2018	162	.636	103	59	5,453	797	1,390	278	18	205	763	565	61	1,197	71	26	6,138	2,319	501	14	45	19	156	.255	.329	.425	.754
5	Indians	254	2017	162	.630	102	60	5,511	818	1,449	333	29	212	780	604	50	1,153	88	23	6,233	2,476	574	23	45	30	125	.263	.339	.449	.788
6	Yankees	240	2022	162	.611	99	63	5,422	807	1,308	225	8	254	764	620	70	1,391	102	33	6,167	2,311	487	14	41	36	121	.241	.325	.426	.751
7	Athletics	239	2001	162	.630	102	60	5,573	884	1,469	334	22	199	835	640	88	1,021	68	29	6,385	2,444	555	25	59	57	131	.264	.345	.439	.784
8	Indians	233	1995	144	.694	100	44	5,028	840	1,461	279	23	207	803	542	35	766	132	53	5,684	2,407	509	31	48	40	128	.291	.361	.479	.839
9	Red Sox	229	2018	162	.667	108	54	5,623	876	1,509	355	31	208	829	569	55	1,253	125	31	6,302	2,550	594	7	48	38	130	.268	.339	.453	.792
10	Blue Jays	221	2015	162	.574	93	69	5,509	891	1,480	308	17	232	852	570	54	1,151	88	23	6,231	2,518	557	36	62	12	140	.269	.340	.457	.797
11	Astros	219	2022	162	.654	106	56	5,409	737	1,341	284	13	214	715	528	60	1,179	83	22	6,048	2,293	511	9	42	18	118	.248	.319	.424	.743
12	Yankees	210	2011	162	.599	97	65	5,518	867	1,452	267	33	222	836	627	74	1,138	147	46	6,306	2,451	522	36	51	34	146	.263	.343	.444	.788
13	Red Sox	210	2007	162	.593	96	66	5,589	867	1,561	352	35	166	829	689	64	1,042	96	24	6,426	2,481	553	30	54	54	146	.279	.362	.444	.806
14	Angels	207	2002	162	.611	99	63	5,678	851	1,603	333	32	152	811	462	74	805	117	51	6,327	2,456	517	49	64	42	105	.282	.341	.433	.773
15	Rays	206	2021	162	.617	100	62	5,507	857	1,336	288	36	222	810	585	72	1,542	88	42	6,211	2,362	546	6	41	27	75	.243	.321	.429	.750
16	Astros	205	2021	162	.586	95	67	5,593	863	1,496	299	14	221	834	569	64	1,222	53	16	6,289	2,486	534	9	54	25	136	.267	.339	.444	.783
17	Yankees	204	2019	162	.636	103	59	5,583	943	1,493	290	17	306	904	569	49	1,437	55	22	6,244	2,735	613	10	33	18	113	.267	.339	.490	.829
18	Yankees	203	1997	162	.593	96	66	5,710	891	1,636	325	23	161	846	676	37	954	99	58	6,527	2,490	509	34	70	51	138	.287	.362	.436	.798
19	Yankees	200	2002	161	.640	103	58	5,601	897	1,540	314	12	223	857	640	72	1,171	100	38	6,377	2,547	549	23	41	48	150	.275	.354	.455	.809
20	Yankees	198	2017	162	.562	91	71	5,594	858	1,463	266	23	241	821	616	64	1,386	90	22	6,348	2,498	530	18	56	22	119	.262	.339	.447	.785
21	Red Sox	197	2013	162	.599	97	65	5,651	853	1,566	363	29	178	819	581	72	1,308	123	19	6,378	2,521	570	24	50	51	137	.277	.349	.446	.795
22	Astros	196	2017	162	.623	101	61	5,611	896	1,581	346	20	238	854	509	70	1,087	98	42	6,262	2,681	604	11	61	27	139	.282	.346	.478	.823
23	Rays	195	2023	162	.611	99	63	5,511	860	1,432	282	24	230	827	514	95	1,420	160	41	6,164	2,452	536	6	38	7	109	.260	.331	.445	.776
24	Red Sox	194	2002	162	.574	93	69	5,640	859	1,560	348	33	177	810	545	72	944	80	28	6,332	2,505	558	22	53	39	139	.277	.345	.444	.789
25	Orioles	193	1973	162	.599	97	65	5,537	754	1,474	229	48	119	692	648	43	752	146	64	6,335	2,156	396	58	49	49	126	.266	.345	.389	.734