Dick Allen has the highest career slugging percentage by a third baseman, with a slugging percentage of .541.

Interpreted as:

highest career slg with a minimum of 3000 PA from third basemen

	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	Dick Allen D. Allen	.541	3,203	741	2,787	501	858	149	48	135	453	377	7	654	56	18	1,508	332	14	18	63	62	.308	.389	.931	572	237.1	.405	160	216.3
2	Alex Rodriguez A. Rodriguez	.534	5,657	1,293	4,829	910	1,404	234	8	309	979	681	97	1,080	145	30	2,581	551	0	50	55	130	.291	.386	.920	995	318	.393	142	295.1
3	Chipper Jones C. Jones	.529	9,292	2,180	7,878	1,424	2,376	480	35	415	1,417	1,310	15	1,236	140	42	4,171	930	3	86	141	225	.302	.398	.928	1660	515	.396	141	486.2
4	Mike Schmidt M. Schmidt	.527	9,417	2,246	7,803	1,417	2,082	377	54	515	1,502	1,420	76	1,766	173	89	4,112	946	16	102	193	146	.267	.381	.908	1606	553	.396	147	504.1
5	José Ramírez J. Ramírez	.520	5,597	1,306	4,942	832	1,400	347	34	252	837	565	37	669	231	51	2,571	633	1	52	90	70	.283	.358	.878	907	237.4	.367	135	232.9
6	Eddie Mathews E. Mathews	.516	9,590	2,254	8,101	1,456	2,212	338	70	496	1,396	1,381	23	1,399	66	35	4,178	904	33	52	95	117	.273	.378	.894	1625	548.9	.393	145	526.1
7	Nolan Arenado N. Arenado	.513	7,222	1,714	6,535	960	1,859	396	33	344	1,146	565	41	1,059	29	23	3,353	773	5	76	79	195	.284	.342	.855	1112	262.7	.359	118	157.7
8	Rafael Devers R. Devers	.511	4,215	980	3,802	616	1,062	255	12	200	638	358	34	894	32	18	1,941	467	1	20	58	85	.279	.345	.856	659	152.3	.359	125	124.7
9	George Brett G. Brett	.505	7,479	1,741	6,675	1,072	2,095	428	112	209	1,051	695	17	489	141	74	3,374	749	25	67	147	119	.314	.377	.882	1217	382.5	.385	140	344.8
10	Kris Bryant K. Bryant	.504	3,838	884	3,287	592	914	204	19	167	487	443	87	908	44	20	1,657	390	0	21	21	43	.278	.376	.880	643	183.9	.375	134	164.3
11	Al Rosen A. Rosen	.495	4,374	1,044	3,725	603	1,063	165	20	192	717	587	27	385	39	25	1,844	377	9	26	9	121	.285	.384	.879	727	216.5	.397	137	201.9
12	Tony Perez T. Perez	.494	3,383	792	3,050	453	885	134	25	146	536	281	17	579	19	11	1,507	305	4	31	48	82	.290	.350	.844	516	167	.373	133	129.9
13	Matt Williams M. Williams	.494	7,329	1,782	6,755	969	1,832	329	33	370	1,197	453	54	1,295	49	32	3,337	732	6	61	82	177	.271	.319	.813	1010	126.8	.349	112	112.3
14	Troy Glaus T. Glaus	.493	5,630	1,351	4,791	790	1,224	264	9	286	837	760	39	1,225	54	26	2,364	559	0	40	35	116	.255	.359	.853	869	168.9	.367	120	146.8
15	Aramis Ramirez A. Ramirez	.492	8,986	2,194	8,136	1,098	2,303	495	24	386	1,417	633	127	1,238	29	18	4,004	905	3	87	58	233	.283	.341	.833	1310	239	.357	115	169.8
16	David Wright D. Wright	.491	6,870	1,585	5,998	949	1,777	390	26	242	970	762	45	1,292	196	65	2,945	658	0	65	73	152	.296	.376	.867	1092	285.4	.373	133	280.8
17	Josh Donaldson J. Donaldson	.491	5,822	1,369	4,990	815	1,305	286	12	278	812	723	58	1,209	40	10	2,449	576	5	46	22	135	.262	.359	.849	910	233.2	.364	132	224.6
18	Scott Rolen S. Rolen	.490	8,518	2,038	7,398	1,211	2,077	517	43	316	1,287	899	127	1,410	118	49	3,628	876	1	93	57	150	.281	.364	.855	1321	276.8	.368	122	242.1
19	Bobby Bonilla B. Bonilla	.488	3,996	965	3,518	513	1,022	213	33	139	570	423	14	572	22	34	1,718	385	0	41	74	88	.291	.365	.853	614	138.9	.368	130	141.7
20	Alex Bregman A. Bregman	.487	4,999	1,148	4,304	722	1,180	280	18	200	693	591	62	676	43	15	2,096	498	1	41	15	110	.274	.367	.854	805	206	.366	136	216.1
21	Jim Ray Hart J. Ray Hart	.486	3,558	901	3,186	461	905	126	27	154	499	310	23	471	17	15	1,547	307	7	32	41	99	.284	.349	.834	536	168.6	.367	135	138.5
22	Justin Turner J. Turner	.483	4,456	1,173	3,899	582	1,147	248	8	158	593	413	97	684	33	7	1,885	414	3	44	14	99	.294	.372	.856	715	189.4	.367	134	187
23	Manny Machado M. Machado	.483	6,957	1,609	6,311	931	1,753	340	15	308	958	552	25	1,224	92	37	3,047	663	14	55	51	186	.278	.336	.818	1002	184.7	.348	121	176.9
24	Dean Palmer D. Palmer	.481	5,156	1,270	4,588	697	1,169	218	15	264	803	465	49	1,240	44	30	2,209	497	4	50	21	88	.255	.327	.808	714	79	.349	107	46.4
25	Bill Joyce B. Joyce	.481	3,544	761	2,802	731	840	133	97	60	518	633	90	243	232		1,347	290	19				.300	.443	.924	829	278.8	.439	142	246.5