highest slugging percentage by player in regular season and playoffs single season

7 players are tied for the best slugging percentage in a combined regular-season and postseason, with a slugging percentage of 4.000. The first three are Gustavo Chacin in 2010, Felix Hernandez in 2008 and Ed Rogers in 2005.

	NAME	SLG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Gustavo Chacin G. Chacin	4.000	2010	HOU	40	1	1	1	0	0	1	1	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000	2	1.4	2.072	1265	1.4
2	Felix Hernandez F. Hernandez	4.000	2008	SEA	1	1	1	1	0	0	1	4	0	0	0	0	0	2	4	1	1	0	0	0	1.000	1.000	5.000	3	2.8	2.024	1238	2.8
3	Ed Rogers E. Rogers	4.000	2005	BAL	8	1	4	1	0	0	1	2	0	0	0	0	2	1	4	1	0	0	0	0	1.000	1.000	5.000	2	1.4	2.017	1245	1.4
4	Esteban Yan E. Yan	4.000	2000	TBD	3	1	1	1	0	0	1	1	0	0	0	0	0	2	4	1	1	0	0	0	1.000	1.000	5.000	3	2.8	1.947	1127	2.8
5	Guillermo Mota G. Mota	4.000	1999	MON	47	1	1	1	0	0	1	3	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000	2	1.4	1.959	1128	1.4
6	Buster Narum B. Narum	4.000	1963	BAL	7	1	1	1	0	0	1	2	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000	2	1.4	2.181	1304	1.4
7	Bill LeFebvre B. LeFebvre	4.000	1938	BSA	1	1	1	1	0	0	1	1	0	0	0	0	0	1	4	1	0				1.000	1.000	5.000	2	1.4	2.070	1033	1.4
8	Eric Cammack E. Cammack	3.000	2000	NYM	8	1	0	1	0	1	0	1	0	0	0	0	0	1	3	1	0	0	0	0	1.000	1.000	4.000	1	1.1	1.554	877	1.1
9	Scott Munninghoff S. Munninghoff	3.000	1980	PHI	4	1	1	1	0	1	0	0	0	0	0	0	0	1	3	1	0	0	0	0	1.000	1.000	4.000	1	1	1.649	1012	1
10	Eduardo Rodriguez E. Rodriguez	3.000	1973	MIL	2	1	1	1	0	1	0	0	0	0	0	0	0	1	3	1	0	0	0	0	1.000	1.000	4.000	1	1	1.665	1003	1
11	Charlie Lindstrom C. Lindstrom	3.000	1958	CWS	1	1	1	1	0	1	0	1	1	0	0	0	0	2	3	1	0	0	0	0	1.000	1.000	4.000	2	1.3	1.166	670	1.3
12	Nick Altrock N. Altrock	3.000	1924	WSH	1	1	1	1	0	1	0	0	0	0	0	0	0	1	3	1	0				1.000	1.000	4.000	1	1	1.656	860	1
13	Charlton Jimerson C. Jimerson	2.500	2007	SEA	11	2	5	2	0	0	1	1	0	0	0	2	0	2	5	1	0	0	0	0	1.000	1.000	3.500	2	1.9	1.448	848	1.9
14	Frank O'Connor F. O'Connor	2.500	1893	PHI	3	2	1	2	0	0	1	3	0	0	0	0		2	5	1					1.000	1.000	3.500	2	1.9	1.453	671	1.9
15	Khalil Lee K. Lee	2.000	2022	NYM	2	2	1	1	0	0	1	3	0	0	0	0	0	2	4	1	0	0	0	0	.500	.500	2.500	1	1.2	1.036	600	1.2
16	Enny Romero E. Romero	2.000	2018	TOT	4	1	1	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.247	720	0.8
17	Sean Gilmartin S. Gilmartin	2.000	2017	NYM	2	1	1	1	1	0	0	1	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.232	699	0.8
18	Raisel Iglesias R. Iglesias	2.000	2017	CIN	60	1	0	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.232	691	0.8
19	Matt Albers M. Albers	2.000	2016	CWS	4	1	1	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.242	734	0.8
20	Jett Bandy J. Bandy	2.000	2015	LAA	2	2	1	1	0	0	1	1	0	0	0	0	0	2	4	1	0	0	0	0	.500	.500	2.500	1	1.1	1.033	597	1.1
21	Daniel Norris D. Norris	2.000	2015	TOT	1	2	1	1	0	0	1	2	1	0	1	0	0	3	4	1	0	0	0	0	.500	.667	2.667	2	1.4	.917	512	1.4
22	Branden Pinder B. Pinder	2.000	2015	NYY	2	1	0	1	1	0	0	1	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.256	747	0.7
23	Chin-hui Tsao C. Tsao	2.000	2015	LAD	5	1	1	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.256	747	0.8
24	Brandon Lyon B. Lyon	2.000	2011	HOU	15	1	0	1	1	0	0	1	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000	1	0.8	1.270	751	0.8
25	Mark Worrell M. Worrell	2.000	2008	STL	4	2	1	1	0	0	1	3	0	0	0	0	0	2	4	1	0	0	0	0	.500	.500	2.500	1	1.1	1.012	548	1.1