The Chicago White Stockings have the highest wRC+ by a team in a season, with 135 wRC+ in 1876.

	TEAM	WRC+	SEASON	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	BRAA
1	White Stockings	135	1876	595	2,748	624	926	131	32	8		70					2,818	1,145	171					.337		.417		594	171.2	.356	148.7
2	Maroons	132	1884	1,023	4,285	887	1,251	259	41	32		181					4,466	1,688	332					.292		.394		814	162.6	.326	201.1
3	Yankees	126	1927	1,725	5,354	976	1,644	291	103	158	907	642	22	610	90		6,222	2,615	552	204				.307	.384	.488	.872	1031	266.6	.400	220.6
4	Braves	125	2023	1,586	5,597	947	1,543	293	23	307	916	538	67	1,289	132	27	6,247	2,803	623	2	43	20	128	.276	.344	.501	.845	974	212.8	.359	192.3
5	Yankees	124	1930	1,796	5,447	1,062	1,683	298	110	152	985	644	19	569	91		6,272	2,657	560	162				.309	.384	.488	.872	1064	180.7	.388	214.2
6	Astros	124	2019	1,704	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	996	191.8	.355	195.2
7	Yankees	124	1931	1,752	5,608	1,067	1,667	276	78	155	990	750	28	554	139		6,473	2,564	509	87				.297	.383	.457	.840	1043	242.6	.387	208.1
8	Mets	123	2020	646	2,023	286	551	106	7	86	278	197	45	498	20	10	2,279	929	199	1	13	8	53	.272	.348	.459	.807	338	52.3	.347	67.1
9	Grays	123	1879	766	3,392	612	1,003	142	55	12		91					3,483	1,291	209					.296		.381		595	113.5	.313	113.3
10	White Stockings	121	1884	1,011	4,182	834	1,176	162	50	142		264					4,446	1,864	354					.281		.446		883	234.6	.347	147.1
11	Astros	121	2017	1,677	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	910	146.5	.349	160
12	Reds	120	1976	2,135	5,702	857	1,599	271	63	141	802	681	28	902	210	57	6,538	2,419	475	67	60	63	103	.280	.357	.424	.781	882	195.5	.357	146.5
13	Brewers	120	1982	1,638	5,733	891	1,599	277	41	216	843	484	18	714	84	52	6,337	2,606	534	56	46	42	106	.279	.335	.455	.789	859	146.8	.348	150.7
14	Red Sox	120	2003	1,726	5,769	961	1,667	371	40	238	932	620	53	943	88	35	6,530	2,832	649	24	64	61	126	.289	.360	.491	.851	997	196	.364	163.3
15	Yankees	120	2025	1,022	3,337	516	855	175	14	155	495	382	37	860	63	24	3,794	1,523	344	4	34	32	65	.256	.336	.456	.793	530	87.7	.341	87.6
16	Dodgers	120	2020	613	2,042	349	523	97	6	118	327	228	30	471	29	8	2,315	986	221	3	12	7	46	.256	.338	.483	.821	349	58.2	.350	58.7
17	Dodgers	120	2022	1,620	5,526	847	1,418	325	31	212	812	607	56	1,374	98	18	6,245	2,441	568	3	53	22	85	.257	.333	.442	.775	848	133.4	.337	143.3
18	Braves	120	2020	613	2,074	348	556	130	3	103	338	239	23	573	23	4	2,344	1,001	236	1	7	13	39	.268	.349	.483	.832	364	70	.355	58.7
19	Pirates	119	1902	1,311	4,926	774	1,410	189	95	18	660	372	64	440	222		5,480	1,843	302	118				.286	.344	.374	.718	739	95.6	.346	118.9
20	Yankees	119	2007	1,710	5,717	968	1,656	326	32	201	929	637	78	991	123	40	6,527	2,649	559	41	54	32	138	.290	.366	.463	.829	973	165.7	.361	154.2
21	Yankees	119	1932	1,712	5,476	1,002	1,564	279	82	160	954	765	27	526	77		6,344	2,487	521	76				.286	.376	.454	.830	1001	205.4	.377	164.7
22	Yankees	118	1994	1,192	3,986	670	1,155	238	16	139	632	530	31	660	55	40	4,611	1,842	393	27	37	34	112	.290	.374	.462	.836	710	125.8	.366	110.6
23	Dodgers	118	2024	1,681	5,522	842	1,423	291	26	233	815	602	64	1,336	136	23	6,249	2,465	550	10	51	33	99	.258	.335	.446	.781	867	135.9	.337	134.3
24	Blue Jays	118	2022	1,699	5,555	775	1,464	307	12	200	756	500	55	1,242	67	35	6,151	2,395	519	8	33	13	136	.264	.329	.431	.760	809	105.4	.331	123.7
25	Yankees	118	1933	1,707	5,271	927	1,495	241	75	144	855	700	17	507	76		6,066	2,318	460	78				.284	.369	.440	.809	911	206.9	.375	144.4