Mike Piazza has the highest career slugging percentage by a catcher, with a slugging percentage of .559.

Interpreted as:

most slg with a minimum of 3000 PA by a player by a catcher MLB history

	NAME	SLG	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Mike Piazza M. Piazza	.559	6,888	1,700	6,147	968	1,921	306	7	399	1,237	673	28	974	17	20	3,438	712	0	40	132	206	.313	.381	.940	1238	379.9	.397	145	399.8
2	Roy Campanella R. Campanella	.500	4,816	1,215	4,205	627	1,161	178	18	242	856	533	30	501	25	15	2,101	438	30	18	30	143	.276	.360	.860	755	193.4	.385	123	142.6
3	Javy Lopez J. Lopez	.498	5,429	1,409	4,977	638	1,441	247	18	252	829	337	64	893	8	19	2,480	517	6	45	43	162	.290	.340	.838	796	118.3	.358	115	104.2
4	Gabby Hartnett G. Hartnett	.489	7,297	1,990	6,432	867	1,912	396	64	236	1,179	703	35	697	28		3,144	696	127			19	.297	.370	.858	1186	271.2	.389	127	251.3
5	Bill Dickey B. Dickey	.486	7,060	1,789	6,300	930	1,969	343	72	202	1,209	678	31	289	36		3,062	617	51			49	.313	.382	.868	1182	312.3	.396	126	253.9
6	Yogi Berra Y. Berra	.483	7,927	2,001	7,160	1,113	2,043	310	49	336	1,369	669	50	386	28	19	3,459	695	9	39	45	139	.285	.349	.832	1173	257.6	.371	124	238.4
7	Johnny Bench J. Bench	.482	7,700	1,877	6,771	1,001	1,811	342	22	356	1,259	813	19	1,161	67	38	3,265	720	9	88	129	170	.267	.344	.826	1115	288.8	.365	128	243.8
8	Jorge Posada J. Posada	.479	6,763	1,714	5,748	866	1,583	365	10	261	1,021	897	72	1,377	20	19	2,751	636	1	45	74	169	.275	.377	.856	1063	228.8	.370	125	213.1
9	Mickey Cochrane M. Cochrane	.478	6,206	1,482	5,169	1,041	1,652	333	64	119	830	857	29	217	64		2,470	516	151				.320	.419	.897	1128	344.9	.413	132	269.2
10	Victor Martinez V. Martinez	.469	4,224	1,004	3,739	509	1,120	235	3	131	638	411	28	482	3	3	1,754	369	0	46	52	133	.300	.369	.838	629	116.5	.361	120	106
11	Joe Mauer J. Mauer	.468	5,060	1,178	4,378	688	1,414	282	20	105	634	616	17	564	43	16	2,051	407	4	45	103	137	.323	.405	.873	820	221.9	.378	134	209.4
12	Chris Hoiles C. Hoiles	.467	3,338	894	2,820	415	739	122	2	151	449	435	44	616	5	7	1,318	275	11	28	17	65	.262	.366	.833	511	107.2	.368	122	89.9
13	Joe Torre J. Torre	.467	4,801	1,196	4,322	559	1,289	181	30	163	652	404	43	608	12	23	2,019	374	6	26	53	161	.298	.362	.829	724	212.5	.366	132	177.4
14	Ivan Rodriguez I. Rodriguez	.464	10,270	2,543	9,592	1,354	2,844	572	51	311	1,332	513	58	1,474	127	64	4,451	934	31	76	67	337	.296	.334	.798	1383	124.8	.344	104	63.1
15	Walker Cooper W. Cooper	.464	5,078	1,473	4,702	573	1,341	240	40	173	812	309	22	357	18	1	2,180	453	44	1	3	160	.285	.332	.796	697	124	.365	115	89.7
16	Willson Contreras W. Contreras	.461	3,712	943	3,210	456	828	177	10	152	468	375	106	893	32	21	1,481	339	4	17	10	88	.258	.353	.814	554	108.9	.351	121	96.4
17	Ernie Lombardi E. Lombardi	.460	6,349	1,853	5,855	601	1,792	277	27	190	990	430	46	262	8		2,693	494	18			143	.306	.358	.818	952	199.4	.376	125	194.9
18	Buck Ewing B. Ewing	.460	3,055	701	2,866	633	864	127	102	41	311	185	4		141		1,318	270					.301	.345	.805	604	162.9	.369	128	134
19	Buster Posey B. Posey	.460	5,607	1,371	4,970	663	1,500	293	9	158	729	540	43	721	23	9	2,285	460	1	53	67	163	.302	.372	.831	837	188.2	.358	129	190.6
20	Carlton Fisk C. Fisk	.457	9,513	2,408	8,436	1,227	2,269	398	45	366	1,288	839	137	1,348	125	58	3,855	809	25	76	105	195	.269	.342	.799	1320	264.6	.355	118	190.7
21	Salvador Perez S. Perez	.457	6,393	1,585	6,006	665	1,601	296	11	275	932	251	84	1,205	6	1	2,744	582	0	52	38	185	.267	.303	.760	790	47.9	.324	102	19.3
22	Ted Simmons T. Simmons	.453	8,094	1,954	7,244	930	2,116	413	43	222	1,195	720	34	576	15	31	3,281	678	9	87	164	238	.292	.355	.808	1126	242.7	.357	122	206.1
23	J.T. Realmuto	.452	5,106	1,268	4,657	650	1,264	258	35	171	637	340	73	1,077	100	25	2,105	464	1	35	20	100	.271	.329	.781	684	75.6	.334	110	63.5
24	Stan Lopata S. Lopata	.452	3,034	853	2,601	375	661	116	25	116	397	393	7	497	18	11	1,175	257	12	21	32	79	.254	.351	.803	420	70.4	.358	114	50.7
25	Brian McCann B. McCann	.452	6,850	1,755	6,067	742	1,590	294	5	282	1,018	640	75	1,054	25	9	2,740	581	9	59	71	180	.262	.337	.789	910	106.6	.340	110	83.7