Tom Morrissey has the lowest wRC+ in a season, with -295 wRC+ in 1884.

Interpreted as:

lowest wrc+ with a minimum of 3.1 PA per team game by a player single season

	NAME	WRC+	SEASON	TM	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	Tom Morrissey T. Morrissey	-295	1884	MIL	12	47	3	8	2	0	0		0					47	10	2					.170		.213		3	-3.8	.174	-26.3
2	Mortimer Hogan M. Hogan	-287	1884	MIL	11	37	6	3	1	0	0		7					44	4	1					.081		.108		3	-3.1	.187	-24.1
3	Thomas Griffin T. Griffin	-249	1884	MIL	11	41	5	9	2	0	0		3					44	11	2					.220		.268		6	-0.8	.256	-21.8
4	Tom Sexton T. Sexton	-241	1884	MIL	12	47	9	11	2	0	0		4					51	13	2					.234		.277		7	-0.3	.271	-24.6
5	Henry Porter H. Porter	-235	1884	MIL	11	40	3	11	3	0	0		0					40	14	3					.275		.350		6	0.1	.283	-19
6	Cal Broughton C. Broughton	-207	1884	MIL	11	39	5	12	5	0	0		0					39	17	5					.308		.436		7	1.7	.334	-16.9
7	Al Myers A. Myers	-197	1884	MIL	12	46	6	15	6	0	0		0					46	21	6					.326		.457		9	2.6	.352	-19.3
8	Jim Levey J. Levey	23	1933	SLA	141	529	43	103	10	4	2	36	26	3	68	4	6	567	127	16	9				.195	.237	.240	.477	21	-44.5	.227	-58.3
9	Billy Hunter B. Hunter	29	1953	SLA	154	567	50	124	18	1	1	37	24	2	45	3	1	604	147	20	11			12	.219	.253	.259	.512	25	-46.9	.239	-53.1
10	John Murphy J. Murphy	30	1884	TOT	33	125	14	16	1	0	0		7					132	17	1					.128		.136		6	-12.9	.153	-13
11	Jim Lillie J. Lillie	31	1886	KCC	114	416	37	73	9	0	0	22	11		80	13		427	82	9					.175		.197		25	-37.5	.190	-45.1
12	Joe Werrick J. Werrick	31	1884	STP	9	27	3	2	0	0	0		1					28	2	0					.074		.074		0	-4.1	.092	-2.7
13	Skeeter Newsome S. Newsome	32	1936	PHA	127	471	41	106	15	2	0	46	25	1	27	13	4	508	125	17	11				.225	.266	.265	.531	26	-40.9	.253	-52.5
14	Matt Walbeck M. Walbeck	32	1994	MIN	97	338	31	69	12	0	5	35	17	2	37	1	1	359	96	17	1	1	1	7	.204	.246	.284	.530	16	-29.2	.237	-32.2
15	Will White W. White	34	1879	CIN	76	294	28	40	6	0	0	17	6		56			300	46	6					.136		.156		12	-29.1	.144	-28.3
16	Leo Durocher L. Durocher	34	1937	SLN	135	477	46	97	11	3	1	47	38	0	36	6		520	117	15	5			17	.203	.262	.245	.507	23	-41.9	.244	-42.3
17	Art Scharein A. Scharein	35	1933	SLA	123	471	49	96	13	3	0	26	41	1	21	7	9	522	115	16	9				.204	.269	.244	.513	28	-32.4	.249	-45
18	Germany Smith G. Smith	36	1897	BKN	112	428	47	86	17	3	0	29	14	4	23	1		453	109	20	7				.201	.233	.255	.488	22	-46.5	.235	-45.5
19	Clint Barmes C. Barmes	38	2006	COL	131	478	57	105	26	4	7	56	22	9	72	5	4	535	160	37	19	7	6	2	.220	.264	.335	.598	33	-34.3	.256	-43.2
20	Hal Lanier H. Lanier	38	1968	SFG	151	486	37	100	14	1	0	27	12	0	57	2	2	518	116	15	14	6	0	17	.206	.222	.239	.461	19	-28.9	.210	-31.5
21	Jiggs Parrott J. Parrott	39	1894	CHI	126	525	82	130	17	9	3	65	16	3	35	30		553	174	29	9				.248	.274	.331	.605	45	-55.3	.280	-63.8
22	Neifi Perez N. Perez	39	2002	KCR	145	554	65	131	20	4	3	37	20	0	53	8	9	585	168	27	5	6	2	11	.236	.260	.303	.564	32	-38	.247	-44
23	Jim Levey J. Levey	40	1931	SLA	139	498	53	104	19	2	5	38	35	2	83	13	8	540	142	26	5				.209	.264	.285	.549	32	-34.4	.259	-44
24	Tim Johnson T. Johnson	40	1973	MIL	136	465	39	99	10	2	0	32	29	1	93	6	3	510	113	12	11	4	2	10	.213	.259	.243	.502	23	-33.2	.233	-34.6
25	Will White W. White	40	1878	CIN	52	197	15	28	1	1	0	9	8		41			205	31	2					.142		.157		10	-17.7	.162	-17.2