mlb players with 300+ average 400+ on base percentage and 730+ slugging in a single season

Sparrow McCaffrey had an on-base percentage of 1.000 when slugging .730 or better in 1889.

	NAME	OBP	SLG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Sparrow McCaffrey S. McCaffrey	1.000	1.000	1889	COL	2	1	1	1	0	0	0	0	1	0	0	0	2	1	0		1.000	2.000	1	0.9	.870	384	0.9
2	Charlie Reilly C. Reilly	.538	.913	1889	COL	6	23	5	11	1	0	3	6	2	1	2	9	26	21	4		.478	1.452	10	6.5	.634	260	6.6
3	Jack Lynch J. Lynch	.800	1.250	1890	BKA	1	4	2	3	2	0	0	0	1	0		0	5	5	2		.750	2.050	3	2.3	.885	398	2.3
4	Jack McFetridge J. McFetridge	.750	.750	1890	PHN	1	4	0	3	0	0	0	1	0	0	1	0	4	3	0		.750	1.500	2	1.3	.728	310	1.3
5	Charlie Parsons C. Parsons	.750	.750	1890	CLN	2	4	0	3	0	0	0	2	0	0	0	0	4	3	0		.750	1.500	2	1.3	.728	313	1.3
6	Bill Kling B. Kling	.400	.750	1892	BAL	2	4	1	1	0	1	0	1	1	0	2	0	5	3	1		.250	1.150	1	0.7	.498	191	0.6
7	Billy Gumbert B. Gumbert	1.000	2.000	1893	LOU	1	1	0	1	1	0	0	2	0	0	0	0	1	2	1		1.000	3.000	1	0.8	1.308	598	0.8
8	Frank O'Connor F. O'Connor	1.000	2.500	1893	PHI	3	2	1	2	0	0	1	3	0	0	0	0	2	5	1		1.000	3.500	2	1.9	1.453	671	1.9
9	Monte Cross M. Cross	.520	.837	1894	PIT	13	43	14	19	1	5	2	13	5	2	4	6	53	36	8	3	.442	1.357	20	10.2	.571	201	10.1
10	John Houseman J. Houseman	.571	.733	1894	CHI	4	15	5	6	3	1	0	4	5	1	3	2	21	11	4	0	.400	1.305	8	4.1	.573	195	3.8
11	Joe Peitz J. Peitz	.531	.731	1894	STL	7	26	10	11	2	3	0	3	6	0	1	2	32	19	5	0	.423	1.262	11	5.5	.550	188	5.3
12	King Bailey K. Bailey	.500	.750	1895	CIN	1	4	2	2	1	0	0	1	0	0	1	1	4	3	1	0	.500	1.250	1	0.7	.562	200	0.7
13	Hercules Burnett H. Burnett	.474	.882	1895	LOU	5	17	6	7	0	1	2	3	2	0	2	2	20	15	3	1	.412	1.356	7	3.8	.567	210	3.8
14	Jack Cronin J. Cronin	.500	1.500	1895	BKN	2	2	1	1	0	1	0	2	0	0	0	0	2	3	1	0	.500	2.000	1	0.8	.791	331	0.8
15	Varney Anderson V. Anderson	.600	.800	1896	WSH	2	5	1	3	1	0	0	2	0	0	1	0	5	4	1	0	.600	1.400	2	1.3	.645	252	1.2
16	John Malarkey J. Malarkey	.500	1.000	1896	WSH	1	2	1	1	1	0	0	1	0	0	0	0	2	2	1	0	.500	1.500	1	0.5	.653	256	0.5
17	Charlie Hickman C. Hickman	.667	1.667	1897	BSN	2	3	1	2	0	0	1	2	0	0	0	0	3	5	1	0	.667	2.333	2	1.6	.981	435	1.6
18	Tom Lipp T. Lipp	1.000	1.000	1897	PHI	1	1	0	1	0	0	0	0	0	0	0	0	1	1	0	0	1.000	2.000	1	0.5	.961	429	0.5
19	Jim Donnelly J. Donnelly	1.000	1.000	1898	STL	1	1	0	1	0	0	0	0	0	0	0	0	1	1	0	0	1.000	2.000	1	0.5	.971	449	0.5
20	Pete McBride P. McBride	1.000	1.000	1898	CLE	1	2	0	2	0	0	0	2	1	1	0	0	4	2	0	0	1.000	2.000	2	1.7	.877	397	1.6
21	Harley Payne H. Payne	.750	.750	1898	BKN	1	4	1	3	0	0	0	3	0	0	0	0	4	3	0	0	.750	1.500	2	1.2	.728	313	1.2
22	Dave Zearfoss D. Zearfoss	1.000	1.000	1898	NYG	1	1	0	1	0	0	0	0	0	0	0	0	1	1	0	0	1.000	2.000	1	0.5	.971	451	0.5
23	Fritz Buelow F. Buelow	.556	.733	1899	STL	7	15	4	7	0	2	0	2	2	1	2	0	18	11	2	0	.467	1.289	6	3.5	.584	228	3.3
24	Welcome Gaston W. Gaston	1.000	2.000	1899	BKN	1	1	0	1	1	0	0	2	0	1	0	0	2	2	1	0	1.000	3.000	1	1.2	1.071	494	1.1
25	Lefty Herring L. Herring	1.000	1.000	1899	WSH	2	1	1	1	0	0	0	0	1	0	0	0	2	1	0	0	1.000	2.000	1	0.8	.868	383	0.8