Bobby Byrne has the worst OPS with more than 399 plate appearances in a season, with an OPS of .450 in 1908.

Interpreted as:

lowest season ops by a player with > 399 pa

	NAME	OPS	PA	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	WRC	WRAA	WOBA	WRC+	BRAA
1	Bobby Byrne B. Byrne	.450	490	1908	SLN	127	439	27	84	7	1	0	14	23	4	59	16		93	8	24				.191	.238	.212	23	-22.2	.225	48	-25.4
2	Sadie Houck S. Houck	.450	465	1886	TOT	113	455	43	92	11	1	0	31	6	4	28	29		105	12					.202	.219	.231	36	-31.7	.215	54	-31.9
3	Hal Lanier H. Lanier	.461	518	1968	SFG	151	486	37	100	14	1	0	27	12	0	57	2	2	116	15	14	6	0	17	.206	.222	.239	19	-28.9	.210	38	-31.5
4	Hunter Hill H. Hill	.462	554	1904	TOT	135	509	37	104	9	1	0	31	17	4	42	14		115	10	24				.204	.236	.226	28	-28.1	.225	52	-28.2
5	Pete Childs P. Childs	.462	447	1902	PHN	123	403	25	78	5	0	0	25	34	0	31	6		83	5	10				.194	.256	.206	24	-28.5	.234	48	-26.1
6	Billy Sullivan B. Sullivan	.463	476	1908	CWS	137	430	40	82	8	4	0	29	22	3	62	15		98	12	21				.191	.235	.228	24	-20.1	.230	58	-19.3
7	Bob Lillis B. Lillis	.466	496	1963	HOU	147	469	31	93	13	1	1	19	15	4	35	3	4	111	15	7	1	1	8	.198	.229	.237	18	-34.2	.211	38	-33.7
8	Mario Mendoza M. Mendoza	.466	401	1979	SEA	148	373	26	74	10	3	1	29	9	1	62	3	0	93	14	13	5	0	12	.198	.216	.249	11	-36.3	.210	20	-39.4
9	Ben Conroy B. Conroy	.470	454	1890	PHA	117	404	45	69	13	1	0	21	45	5		17		84	14					.171	.262	.208	36	-34	.246	52	-33.4
10	Bill Hallman B. Hallman	.473	525	1901	TOT	128	464	48	86	13	5	0	41	28	4	42	13		109	18	29				.185	.238	.235	29	-39	.231	43	-39.5
11	Lee Tannehill L. Tannehill	.473	428	1906	CWS	116	378	26	69	8	3	0	33	31	5	36	7		83	11	14				.183	.254	.220	24	-18.4	.240	59	-18.5
12	Oscar Stanage O. Stanage	.474	441	1914	DET	122	400	16	77	8	4	0	25	24	2	58	2	1	93	12	15				.193	.242	.233	20	-26.3	.234	40	-28.5
13	Rob Picciolo R. Picciolo	.475	446	1977	OAK	148	419	35	84	12	3	2	22	9	1	55	1	4	108	17	14	3	0	8	.200	.218	.258	13	-39.4	.213	28	-38.2
14	Gus Dundon G. Dundon	.476	406	1905	CWS	106	364	30	70	7	3	0	22	23	4	34	14		83	10	15				.192	.248	.228	23	-19.4	.237	60	-17.3
15	Jim Levey J. Levey	.477	567	1933	SLA	141	529	43	103	10	4	2	36	26	3	68	4	6	127	16	9				.195	.237	.240	21	-44.5	.227	23	-58.3
16	Fred Raymer F. Raymer	.479	522	1905	BSN	137	498	26	105	14	2	0	31	8	6	47	15		123	16	10				.211	.232	.247	29	-26.4	.233	46	-33.3
17	Milt Scott M. Scott	.481	515	1886	BAL	137	484	48	92	11	4	2	52	22	9		11		117	17					.190	.239	.242	48	-27.6	.234	64	-27.2
18	Jim Donnelly J. Donnelly	.482	451	1888	WSH	122	428	43	86	9	4	0	23	20	3	16	44		103	13					.201	.242	.241	40	-19.3	.233	69	-19.4
19	Bill Greenwood B. Greenwood	.484	445	1888	BAL	115	409	69	78	13	1	0	29	30	6	51	46		93	14					.191	.256	.227	41	-17	.239	70	-18.3
20	Ollie O'Mara O. O'Mara	.484	489	1918	BKN	121	450	29	96	8	1	1	24	7	10	18	11		109	10	22				.213	.242	.242	23	-24.9	.239	44	-27.6
21	John Gochnaur J. Gochnaur	.485	506	1902	CLE	127	459	45	85	16	4	0	37	38	0	25	7		109	20	9				.185	.247	.237	30	-29.8	.240	45	-38.1
22	Jim Canavan J. Canavan	.488	487	1892	CHI	118	439	48	73	10	11	0	32	48	0	48	33		105	21					.166	.248	.239	39	-26.1	.246	55	-30.5
23	Germany Smith G. Smith	.488	453	1897	BKN	112	428	47	86	17	3	0	29	14	4	23	1		109	20	7				.201	.233	.255	22	-46.5	.235	36	-45.5
24	Joe Dugan J. Dugan	.488	447	1918	PHA	121	411	26	80	11	3	3	34	16	3	55	4		106	17	17				.195	.230	.258	21	-22.3	.241	43	-26.5
25	Harry Lyons H. Lyons	.488	522	1888	STL	123	499	66	97	10	5	4	63	20	3	47	36		129	19					.194	.230	.259	46	-22.3	.233	58	-30