Jiggs Parrott has the fewest weighted runs above average in a season, with -55.3 in 1894.

Interpreted as:

lowest wraa by a player single season

	NAME	WRAA	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	WOBA	WRC+	BRAA
1	Jiggs Parrott J. Parrott	-55.3	1894	CHI	126	525	82	130	17	9	3	65	16	3	35	30		553	174	29	9				.248	.274	.331	.605	45	.280	39	-63.8
2	John Ward J. Ward	-48.9	1894	NYG	138	549	102	146	12	5	0	79	35	1	6	39		605	168	17	20				.266	.311	.306	.617	61	.299	55	-51.6
3	Billy Hunter B. Hunter	-46.9	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	.239	29	-53.1
4	Germany Smith G. Smith	-46.5	1897	BKN	112	428	47	86	17	3	0	29	14	4	23	1		453	109	20	7				.201	.233	.255	.488	22	.235	36	-45.5
5	Jim Levey J. Levey	-44.5	1933	SLA	141	529	43	103	10	4	2	36	26	3	68	4	6	567	127	16	9				.195	.237	.240	.477	21	.227	23	-58.3
6	Ozzie Smith O. Smith	-44.4	1979	SDP	156	587	77	124	18	6	0	27	37	2	37	28	7	649	154	24	22	1	5	11	.211	.260	.262	.522	31	.238	47	-40.7
7	Leo Durocher L. Durocher	-41.9	1937	SLN	135	477	46	97	11	3	1	47	38	0	36	6		520	117	15	5			17	.203	.262	.245	.507	23	.244	34	-42.3
8	Hughie Critz H. Critz	-41.8	1930	TOT	152	662	108	172	20	13	4	61	30	0	32	8		707	230	37	15				.260	.292	.347	.639	58	.289	54	-50.5
9	Joe Quinn J. Quinn	-41.2	1893	STL	135	547	68	126	18	6	0	71	33	4	7	24		584	156	24					.230	.279	.285	.564	53	.277	55	-44.4
10	Skeeter Newsome S. Newsome	-40.9	1936	PHA	127	471	41	106	15	2	0	46	25	1	27	13	4	508	125	17	11				.225	.266	.265	.531	26	.253	32	-52.5
11	Delino DeShields D. DeShields	-40.2	1996	LAD	154	581	75	130	12	8	5	41	53	1	124	48	11	642	173	25	2	5	7	12	.224	.288	.298	.585	42	.262	60	-32.1
12	Brian L. Hunter B. L. Hunter	-39.7	1999	TOT	139	539	79	125	13	6	4	34	37	2	91	44	8	589	162	23	4	7	0	8	.232	.280	.301	.581	37	.263	50	-39.1
13	Bob Gilks B. Gilks	-39.4	1890	CLN	130	544	65	116	10	3	0	41	32	6	38	17		582	132	13					.213	.265	.243	.507	50	.255	56	-38.9
14	Rob Picciolo R. Picciolo	-39.4	1977	OAK	148	419	35	84	12	3	2	22	9	1	55	1	4	446	108	17	14	3	0	8	.200	.218	.258	.475	13	.213	28	-38.2
15	Jack Boyle J. Boyle	-39.3	1895	PHI	133	565	90	143	17	4	0	67	35	5	23	13		625	168	21	20				.253	.302	.297	.600	64	.293	62	-41.3
16	Bill Hallman B. Hallman	-39	1901	TOT	128	464	48	86	13	5	0	41	28	4	42	13		525	109	18	29				.185	.238	.235	.473	29	.231	43	-39.5
17	Mike Caruso M. Caruso	-38.9	1999	CWS	136	529	60	132	11	4	2	35	20	3	36	12	14	564	157	17	11	1	0	6	.250	.280	.297	.577	35	.261	46	-40.8
18	Freddie Maguire F. Maguire	-38.6	1931	BSN	148	492	36	112	18	2	0	26	16	5	26	3		544	134	20	31				.228	.259	.272	.532	29	.250	45	-38.7
19	Doc Farrell D. Farrell	-38.5	1928	BSN	134	483	36	104	14	2	3	43	26	5	26	3		533	131	19	19				.215	.263	.271	.534	27	.254	43	-40.2
20	Jim Donnelly J. Donnelly	-38.2	1887	WSH	117	425	51	85	9	6	1	46	16	3	26	42		444	109	16					.200	.234	.256	.491	35	.233	50	-37.5
21	Del Young D. Young	-38.2	1937	PHN	109	360	36	70	9	2	0	24	18	1	55	6		386	83	11	7			8	.194	.235	.231	.465	10	.222	8	-43.8
22	Sam Dente S. Dente	-38.1	1950	WSH	155	603	56	144	20	5	2	59	39	1	19	1	1	654	180	27	11			25	.239	.286	.299	.585	43	.275	49	-45.9
23	Neifi Perez N. Perez	-38	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	.247	39	-44
24	Germany Smith G. Smith	-37.8	1890	BKN	129	481	76	92	6	5	1	47	42	3	23	24		526	111	12					.191	.260	.231	.491	43	.250	57	-34.1
25	Milt Stock M. Stock	-37.7	1924	BKN	142	561	66	136	14	4	2	52	26	1	32	3	8	607	164	20	19				.242	.277	.292	.570	37	.270	52	-36.2