Mike Piazza has the highest slugging percentage by a catcher in a season, with a slugging percentage of .638 in 1997.

Interpreted as:

highest slg with a minimum of 3.1 PA per team game in a season by a catcher

	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	Mike Piazza M. Piazza	.638	1997	LAD	152	556	104	201	32	1	40	124	69	3	77	5	1	633	355	73	0	5	11	19	.362	.431	1.070	141	63.2	.452	183	66.4
2	Gabby Hartnett G. Hartnett	.630	1930	CHC	141	508	84	172	31	3	37	122	55	1	62	0		578	320	71	14				.339	.404	1.034	127	45.2	.444	141	37.1
3	Mike Piazza M. Piazza	.614	2000	NYM	136	482	90	156	26	0	38	113	58	3	69	4	2	545	296	64	0	2	10	15	.324	.398	1.012	110	38.9	.423	153	39.1
4	Roy Campanella R. Campanella	.611	1953	BKN	144	519	103	162	26	3	41	142	67	4	58	4	2	590	317	70	0			13	.312	.395	1.006	120	49.8	.441	154	41.8
5	Mike Piazza M. Piazza	.606	1995	LAD	112	434	82	150	17	0	32	93	39	1	80	1	0	475	263	49	0	1	10	10	.346	.400	1.006	97	37.3	.427	168	40.6
6	Roy Campanella R. Campanella	.590	1951	BKN	143	505	90	164	33	1	33	108	53	4	51	1	2	562	298	67	0			19	.325	.393	.983	111	45.5	.440	158	40.7
7	Joe Mauer J. Mauer	.587	2009	MIN	138	523	94	191	30	1	28	96	76	2	63	4	1	606	307	59	0	5	14	13	.365	.444	1.031	127	54.8	.438	170	53.2
8	Johnny Bench J. Bench	.587	1970	CIN	158	605	97	177	35	4	45	148	54	0	102	5	2	671	355	84	1	11	9	12	.293	.345	.932	118	41.7	.399	145	37.2
9	Walker Cooper W. Cooper	.586	1947	NYG	140	515	79	157	24	8	35	122	24	3	43	2		546	302	67	4			13	.305	.339	.926	95	33.5	.416	137	25.5
10	Chris Hoiles C. Hoiles	.585	1993	BAL	126	419	80	130	28	0	29	82	69	9	94	1	1	503	245	57	3	3	4	10	.310	.416	1.001	103	43.2	.433	166	40.8
11	Roy Campanella R. Campanella	.583	1955	BKN	123	446	81	142	20	1	32	107	56	6	41	2	3	522	260	53	5	9	9	14	.318	.395	.978	100	38.9	.421	149	32.1
12	Rudy York R. York	.579	1938	DET	135	463	86	138	27	2	33	126	92	2	74	1	2	557	268	62	0				.298	.417	.995	116	45.8	.445	138	30.8
13	Mike Piazza M. Piazza	.575	1999	NYM	141	534	100	162	25	0	40	124	51	1	70	2	2	593	307	65	0	7	11	27	.303	.361	.936	102	25.1	.390	131	25
14	Mike Piazza M. Piazza	.573	2001	NYM	141	503	81	151	29	0	36	94	67	2	87	0	2	573	288	65	0	1	19	20	.300	.384	.957	104	32.9	.395	143	32
15	Mike Piazza M. Piazza	.570	1998	TOT	151	561	88	184	38	1	32	111	58	2	80	1	0	626	320	71	0	5	14	15	.328	.390	.960	116	38.6	.405	151	40.6
16	Bill Dickey B. Dickey	.570	1937	NYY	140	530	87	176	35	2	29	133	73	4	22	3	2	608	302	66	1				.332	.417	.987	125	48.8	.442	147	41.1
17	Bill Dickey B. Dickey	.568	1938	NYY	132	454	84	142	27	4	27	115	75	2	22	3	0	532	258	58	1				.313	.412	.981	108	41.5	.440	142	32.5
18	Mike Piazza M. Piazza	.563	1996	LAD	148	547	87	184	16	0	36	105	81	1	93	0	3	631	308	52	0	2	21	21	.336	.422	.985	125	43.6	.416	165	51.5
19	Mike Piazza M. Piazza	.561	1993	LAD	149	547	81	174	24	2	35	112	46	3	86	3	4	602	307	61	0	6	6	10	.318	.370	.932	108	36.3	.401	150	37.5
20	Joe Torre J. Torre	.560	1966	ATL	148	546	83	172	20	3	36	101	60	2	61	0	4	614	306	59	2	4	8	18	.315	.382	.943	113	48.4	.408	157	41.1
21	Ivan Rodriguez I. Rodriguez	.558	1999	TEX	144	600	116	199	29	1	35	113	24	1	64	25	12	630	335	65	0	5	2	31	.332	.356	.914	108	26	.388	125	21.3
22	Mickey Cochrane M. Cochrane	.553	1931	PHA	122	459	87	160	31	6	17	89	56	3	21	2	3	521	254	54	3				.349	.423	.976	107	42.6	.441	151	36
23	Roy Campanella R. Campanella	.551	1950	BKN	126	437	70	123	19	3	31	89	55	2	51	1		494	241	53	0			17	.281	.364	.916	86	24.4	.406	134	21.6
24	Mike Lieberthal M. Lieberthal	.551	1999	PHI	145	510	84	153	33	1	31	96	44	11	86	0	0	574	281	65	1	8	7	15	.300	.363	.914	97	22	.385	123	18.1
25	Todd Hundley T. Hundley	.550	1996	NYM	153	540	85	140	32	1	41	112	79	3	146	1	3	624	297	74	0	2	15	9	.259	.356	.906	103	22.8	.378	134	26.7