7 players are tied for the highest isolated power - on-base percentage in a season, with 2. The first three are Gustavo Chacin in 2010, Felix Hernandez in 2008 and Ed Rogers in 2005.

Interpreted as:

highest (iso - obp) 400 or higher pa by a player in a season

	NAME	(ISO-OBP)	PA	ISO	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Gustavo Chacin G. Chacin	2	1	3.000	1.000	2010	HOU	40	1	1	1	0	0	1	1	0	0	0	0	0	4	1	0	0	0	0	1.000	4.000	5.000	2	1.4	2.072	1265	1.4
2	Felix Hernandez F. Hernandez	2	2	3.000	1.000	2008	SEA	1	1	1	1	0	0	1	4	0	0	0	0	0	4	1	1	0	0	0	1.000	4.000	5.000	3	2.8	2.024	1238	2.8
3	Ed Rogers E. Rogers	2	1	3.000	1.000	2005	BAL	8	1	4	1	0	0	1	2	0	0	0	0	2	4	1	0	0	0	0	1.000	4.000	5.000	2	1.4	2.017	1245	1.4
4	Esteban Yan E. Yan	2	2	3.000	1.000	2000	TBD	3	1	1	1	0	0	1	1	0	0	0	0	0	4	1	1	0	0	0	1.000	4.000	5.000	3	2.8	1.947	1127	2.8
5	Guillermo Mota G. Mota	2	1	3.000	1.000	1999	MON	47	1	1	1	0	0	1	3	0	0	0	0	0	4	1	0	0	0	0	1.000	4.000	5.000	2	1.4	1.959	1128	1.4
6	Buster Narum B. Narum	2	1	3.000	1.000	1963	BAL	7	1	1	1	0	0	1	2	0	0	0	0	0	4	1	0	0	0	0	1.000	4.000	5.000	2	1.4	2.181	1304	1.4
7	Bill LeFebvre B. LeFebvre	2	1	3.000	1.000	1938	BSA	1	1	1	1	0	0	1	1	0	0	0	0	0	4	1	0				1.000	4.000	5.000	2	1.4	2.070	1033	1.4
8	Khalil Lee K. Lee	1	2	1.500	.500	2022	NYM	2	2	1	1	0	0	1	3	0	0	0	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.2	1.036	600	1.2
9	Jett Bandy J. Bandy	1	2	1.500	.500	2015	LAA	2	2	1	1	0	0	1	1	0	0	0	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.1	1.033	597	1.1
10	Mark Worrell M. Worrell	1	2	1.500	.500	2008	STL	4	2	1	1	0	0	1	3	0	0	0	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.1	1.012	548	1.1
11	Zack Greinke Z. Greinke	1	2	1.500	.500	2005	KCR	1	2	1	1	0	0	1	1	0	0	0	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.1	1.008	558	1.1
12	Jason Johnson J. Johnson	1	2	1.500	.500	2005	DET	1	2	1	1	0	0	1	1	0	0	0	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.1	1.008	563	1.1
13	Eric Cammack E. Cammack	1	1	2.000	1.000	2000	NYM	8	1	0	1	0	1	0	1	0	0	0	0	0	3	1	0	0	0	0	1.000	3.000	4.000	1	1.1	1.554	877	1.1
14	Gregg Olson G. Olson	1	2	1.500	.500	1998	ARI	62	2	1	1	0	0	1	2	0	0	1	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.1	1.003	540	1.1
15	Scott Munninghoff S. Munninghoff	1	1	2.000	1.000	1980	PHI	4	1	1	1	0	1	0	0	0	0	0	0	0	3	1	0	0	0	0	1.000	3.000	4.000	1	1	1.649	1012	1
16	Eduardo Rodriguez E. Rodriguez	1	1	2.000	1.000	1973	MIL	2	1	1	1	0	1	0	0	0	0	0	0	0	3	1	0	0	0	0	1.000	3.000	4.000	1	1	1.665	1003	1
17	Charlie Lindstrom C. Lindstrom	1	2	2.000	1.000	1958	CWS	1	1	1	1	0	1	0	1	1	0	0	0	0	3	1	0	0	0	0	1.000	3.000	4.000	2	1.3	1.166	670	1.3
18	Bob Roselli B. Roselli	1	2	1.500	.500	1956	MIL	4	2	1	1	0	0	1	1	0	0	1	0	0	4	1	0	0	0	0	.500	2.000	2.500	1	1.1	1.045	581	1.2
19	Dave Cole D. Cole	1	2	1.500	.500	1953	MIL	10	2	1	1	0	0	1	1	0	0	0	0	0	4	1	0			0	.500	2.000	2.500	1	1.1	1.042	526	1.1
20	Nick Altrock N. Altrock	1	1	2.000	1.000	1924	WSH	1	1	1	1	0	1	0	0	0	0	0	0	0	3	1	0				1.000	3.000	4.000	1	1	1.656	860	1
21	Roxey Roach R. Roach	1	2	1.500	.500	1912	WSH	2	2	1	1	0	0	1	1	0	0	0	0		4	1	0				.500	2.000	2.500	1	1.1	1.107	571	1.1
22	Wladimir Balentien W. Balentien	0.83	4	1.333	.500	2007	SEA	3	3	1	2	1	0	1	4	0	0	0	0	0	6	2	0	1	0	0	.667	2.000	2.500	2	1.6	.813	424	1.6
23	Daniel Norris D. Norris	0.83	3	1.500	.667	2015	TOT	1	2	1	1	0	0	1	2	1	0	1	0	0	4	1	0	0	0	0	.500	2.000	2.667	2	1.4	.917	512	1.4
24	Danny Graves D. Graves	0.83	3	1.500	.667	2000	CIN	64	2	1	1	0	0	1	1	1	0	0	0	0	4	1	0	0	0	0	.500	2.000	2.667	2	1.4	.890	446	1.4
25	Dwight Gooden D. Gooden	0.83	3	1.500	.667	1999	CLE	3	2	1	1	0	0	1	2	1	0	1	0	0	4	1	0	0	0	0	.500	2.000	2.667	2	1.4	.894	453	1.4