players with at obp of at least 400 and less than 50 strikeouts and at least 600 pa in a season

Hugh Duffy had an on-base percentage of .408 with <50 strikeouts and when making 600+ plate appearances in 1891.

Interpreted as:

players with at obp of at least 400 or higher and less than 50 strikeouts and at least 600 pa in a season

	NAME	OBP	SO	PA	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SB	TB	XBH	SH	AVG	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Hugh Duffy H. Duffy	.408	29	601	1891	BSA	127	536	134	180	20	8	9	110	61	4	85	243	37		.336	.453	.861	127	39.6	.414	135	33.2
2	Billy Hamilton B. Hamilton	.453	28	636	1891	PHN	133	527	141	179	23	7	2	60	102	7	111	222	32		.340	.421	.874	144	51.1	.432	150	47.7
3	Dummy Hoy D. Hoy	.424	25	688	1891	STL	139	559	134	163	13	5	5	64	117	12	59	201	23		.292	.360	.784	136	35.9	.397	121	22.6
4	Curt Welch C. Welch	.400	42	627	1891	BAL	132	514	122	138	22	10	3	55	77	36	50	189	35		.268	.368	.768	119	27.1	.386	119	18.7
5	Dan Brouthers D. Brouthers	.432	30	688	1892	BKN	152	588	121	197	30	20	5	124	84	16	31	282	55		.335	.480	.911	154	62.1	.437	164	61.3
6	Cupid Childs C. Childs	.443	20	684	1892	CLE	145	558	136	177	14	11	3	53	117	9	26	222	28		.317	.398	.841	142	51.5	.417	147	44.3
7	Roger Connor R. Connor	.420	39	686	1892	PHI	155	564	123	166	37	11	12	73	116	6	22	261	60		.294	.463	.883	147	55.7	.425	154	51.3
8	Billy Hamilton B. Hamilton	.423	29	643	1892	PHI	139	554	132	183	21	7	3	53	81	8	57	227	31		.330	.410	.833	130	44.2	.409	145	40.1
9	Jesse Burkett J. Burkett	.459	23	616	1893	CLE	125	511	145	178	25	15	6	82	98	7	39	251	46		.348	.491	.951	153	53.6	.455	144	46.3
10	Cupid Childs C. Childs	.463	12	609	1893	CLE	124	485	145	158	19	10	3	65	120	4	23	206	32		.326	.425	.888	143	44.7	.439	136	37.5
11	Roger Connor R. Connor	.413	26	605	1893	NYG	135	511	111	156	25	8	11	105	91	3	24	230	44		.305	.450	.863	129	30.7	.414	129	29.4
12	George Davis G. Davis	.410	20	600	1893	NYG	133	549	112	195	22	27	11	119	42	9	37	304	60		.355	.554	.964	143	45.6	.442	144	44.3
13	Ed Delahanty E. Delahanty	.423	20	652	1893	PHI	132	595	145	219	35	18	19	146	47	10	37	347	72		.368	.583	1.007	165	59.6	.460	150	55.1
14	Hugh Duffy H. Duffy	.416	13	611	1893	BSN	131	560	147	203	23	7	6	118	50	1	44	258	36		.363	.461	.876	132	33.4	.418	124	25.1
15	Elmer Smith E. Smith	.435	23	600	1893	PIT	128	518	121	179	26	23	7	103	77	5	26	272	56		.346	.525	.960	146	49	.449	146	46.8
16	Sam Thompson S. Thompson	.424	17	656	1893	PHI	131	600	130	222	37	13	11	126	50	6	18	318	61		.370	.530	.954	157	51	.444	142	46.4
17	George Van Haltren G. Van Haltren	.422	25	606	1893	PIT	124	529	129	179	14	11	3	79	75	2	37	224	28		.338	.423	.846	128	29.7	.412	127	27.4
18	Jake Beckley J. Beckley	.412	16	621	1894	PIT	132	537	123	185	36	19	7	122	43	19	21	280	62	22	.345	.521	.934	140	28.1	.424	123	26.5
19	Dan Brouthers D. Brouthers	.425	9	615	1894	BAL	123	525	137	182	39	23	9	128	67	5	38	294	71	18	.347	.560	.985	150	38.7	.442	127	31.5
20	Jesse Burkett J. Burkett	.447	27	618	1894	CLE	125	523	138	187	27	14	8	94	84	1	28	266	49	10	.358	.509	.956	151	39.6	.443	127	31.3
21	Hugh Duffy H. Duffy	.502	15	616	1894	BSN	125	539	160	237	51	16	18	145	66	1	48	374	85	10	.440	.694	1.196	203	91.3	.526	169	80.7
22	Billy Hamilton B. Hamilton	.521	19	702	1894	PHI	132	558	198	225	25	15	4	90	128	9	100	292	44	7	.403	.523	1.044	209	81.9	.495	157	76.2
23	Dummy Hoy D. Hoy	.421	19	616	1894	CIN	128	503	118	153	23	13	5	71	90	12	28	217	41	11	.304	.431	.853	129	17.5	.407	108	9.2
24	Willie Keeler W. Keeler	.427	6	664	1894	BAL	129	590	165	219	27	22	5	94	40	18	32	305	54	16	.371	.517	.944	156	36.1	.433	123	28.3
25	Joe Kelley J. Kelley	.502	36	638	1894	BAL	129	507	165	199	48	20	6	111	107	5	46	305	74	19	.393	.602	1.104	194	78.6	.502	159	71.1