Between the 1925 and 1929 seasons, the Boston Red Sox had the lowest wRC+ by a team, with 76 wRC+.

	TEAM	WRC+	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	BRAA
1	Red Sox	76	9,108	25,859	2,992	6,782	1,322	327	167	2,771	2,225	149	2,346	359	29,108	9,259	1,816	875	.262	.324	.358	.682	2984	-673.9	.320	-925.1
2	Phillies	87	9,071	26,701	3,734	7,653	1,310	252	470	3,427	2,388	129	2,483	275	29,975	10,877	2,032	757	.287	.348	.407	.755	3818	48.4	.350	-511.2
3	Braves	87	8,763	26,470	3,271	7,429	1,178	311	179	2,960	2,032	141	1,900	383	29,572	9,766	1,668	929	.281	.335	.369	.704	3256	-460.2	.329	-512.8
4	Browns	87	8,553	26,302	3,811	7,370	1,374	345	346	3,448	2,510	162	2,147	387	29,913	10,472	2,065	939	.280	.347	.398	.745	3711	-49.2	.346	-510
5	Robins	87	8,803	26,307	3,370	7,207	1,202	355	308	3,115	2,341	132	2,305	380	29,533	10,043	1,865	753	.274	.336	.382	.718	3388	-324.6	.335	-482.1
6	White Sox	89	8,475	26,058	3,487	7,232	1,370	330	167	3,174	2,591	160	2,095	596	29,862	9,763	1,867	1,053	.278	.347	.375	.721	3506	-247	.339	-430.8
7	Indians	89	8,531	26,515	3,583	7,673	1,525	299	201	3,262	2,175	173	1,828	368	29,879	10,399	2,025	1,016	.289	.347	.392	.739	3657	-98	.344	-423.6
8	Reds	90	8,635	26,191	3,414	7,397	1,172	433	174	3,097	2,063	130	1,669	438	29,402	9,957	1,779	1,018	.282	.338	.380	.718	3364	-329.9	.335	-395.8
9	Cubs	96	8,437	26,616	3,851	7,546	1,372	292	457	3,580	2,420	149	2,493	430	30,114	10,873	2,121	929	.284	.347	.409	.755	3820	34.3	.350	-172.3
10	Senators	96	8,838	26,368	3,862	7,609	1,284	414	216	3,502	2,627	162	1,938	583	30,126	10,369	1,914	969	.289	.357	.393	.750	3830	45.2	.351	-154.3
11	Giants	99	8,818	26,713	3,920	7,730	1,231	287	550	3,651	2,137	142	2,157	393	29,733	11,185	2,068	741	.289	.345	.419	.764	3837	99.7	.352	-44.3
12	Tigers	99	9,026	26,866	4,211	7,849	1,444	468	309	3,817	2,810	133	2,153	532	30,752	11,156	2,221	943	.292	.362	.415	.777	4178	311.3	.361	-31.2
13	Cardinals	100	8,459	26,638	4,037	7,657	1,417	395	496	3,736	2,466	140	2,336	417	30,102	11,352	2,308	858	.287	.351	.426	.777	4024	242.5	.358	-22.1
14	Pirates	100	8,591	26,942	4,239	8,135	1,348	505	288	3,882	2,308	150	1,755	473	30,317	11,357	2,141	917	.302	.360	.422	.782	4139	327.9	.362	-6.4
15	Athletics	101	8,854	26,162	4,078	7,702	1,452	364	404	3,760	2,594	153	2,082	346	29,963	11,094	2,220	1,054	.294	.361	.424	.785	4125	358.9	.364	33
16	Yankees	111	8,815	26,637	4,322	7,786	1,331	405	664	4,002	2,867	115	2,725	342	30,504	11,919	2,400	885	.292	.364	.447	.811	4418	585.4	.373	452