Andrew McCutchen has the most career total bases by an active Pirates player, with 3,678 bases.

	NAME	TB	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Andrew McCutchen A. McCutchen	3,678	2,156	7,968	1,249	2,177	435	50	322	1,107	1,129	93	1,795	220	89	9,265	807	3	72	69	138	.273	.367	.462	.829	1394	318	.359	127	295.7
2	Tommy Pham T. Pham	1,655	1,150	3,921	617	1,003	187	24	139	476	498	41	1,059	129	35	4,488	350	3	25	13	116	.256	.344	.422	.766	602	65.5	.333	111	63.2
3	Bryan Reynolds B. Reynolds	1,446	828	3,111	445	854	162	26	126	428	321	47	774	41	13	3,499	314	0	20	21	58	.275	.349	.465	.814	519	99	.349	119	82.1
4	Adam Frazier A. Frazier	1,350	1,098	3,522	478	925	183	28	62	348	290	52	532	58	33	3,901	273	21	16	11	54	.263	.327	.383	.710	450	-19.1	.310	94	-25
5	Isiah Kiner-Falefa I. Kiner-Falefa	974	810	2,778	337	730	112	15	34	253	170	42	473	91	28	3,020	161	15	15	5	79	.263	.313	.351	.664	307	-53.7	.293	83	-62.2
6	Ke'Bryan Hayes K. Hayes	735	509	1,933	232	498	93	15	38	189	147	13	432	54	15	2,104	146	0	11	4	52	.258	.313	.380	.693	232	-17.5	.303	89	-27.4
7	Oneil Cruz O. Cruz	466	276	1,024	146	255	53	7	48	155	110	5	357	49	5	1,147	108	0	8	8	13	.249	.323	.455	.778	155	21.6	.334	112	16.6
8	Joey Bart J. Bart	303	268	795	103	191	31	3	25	90	69	22	279	3	1	888	59	0	2	0	18	.240	.318	.381	.699	102	-2.1	.310	98	-3.1
9	Jared Triolo J. Triolo	207	201	627	72	147	22	1	12	68	69	9	187	16	2	712	35	0	7	0	6	.234	.316	.330	.646	72	-12.7	.290	81	-16.1
10	Nick Gonzales N. Gonzales	187	130	477	55	122	27	4	10	64	24	9	112	5	4	518	41	2	6	1	8	.256	.300	.392	.692	56	-5.4	.300	88	-7.9
11	Enmanuel Valdez E. Valdez	166	153	422	47	97	23	2	14	59	36	1	105	6	2	464	39	1	4	0	10	.230	.289	.393	.683	49	-6.2	.297	84	-8.4
12	Spencer Horwitz S. Horwitz	157	112	367	51	97	21	0	13	47	46	8	82	0	0	425	34	0	4	2	9	.264	.355	.428	.783	60	10.5	.342	125	12.1
13	Henry Davis H. Davis	108	109	357	40	67	14	0	9	31	39	6	118	3	5	406	23	1	3	2	4	.188	.277	.303	.579	30	-18.6	.259	58	-20.5
14	Liover Peguero L. Peguero	78	63	211	21	50	5	1	7	28	12	1	72	6	2	227	13	2	1	0	6	.237	.280	.370	.650	21	-6.7	.282	73	-7.7
15	Endy Rodríguez E. Rodríguez	72	72	231	31	49	10	2	3	15	22	0	61	0	1	254	15	0	1	0	3	.212	.280	.312	.591	20	-11.1	.264	60	-12.3
16	Alexander Canario A. Canario	30	36	80	10	17	2	1	3	10	6	1	29	1	0	87	6	0	0	0	1	.213	.276	.375	.651	8	-1.9	.286	80	-2
17	Matt Gorski M. Gorski	9	6	15	1	4	0	1	1	1	0	0	4	0	0	15	2	0	0	0	1	.267	.267	.600	.867	2	0.6	.366	130	0.5
18	Johan Oviedo J. Oviedo	3	13	20	3	3	0	0	0	2	2	0	9	0	0	22	0	0	0	0	0	.150	.227	.150	.377	0	-2.4	.183	12	-2.5
19	Mitch Keller M. Keller	3	33	38	2	3	0	0	0	0	2	0	17	0	0	43	0	3	0	0	1	.079	.125	.079	.204	-3	-7.8	.101	-46	-8.1
20	Caleb Ferguson C. Ferguson	3	72	7	1	2	1	0	0	0	0	0	3	0	0	7	1	0	0	0	1	.286	.286	.429	.714	1	-0.1	.299	88	-0.1
21	Dennis Santana D. Santana	3	20	6	0	2	1	0	0	2	0	0	3	0	0	6	1	0	0	0	0	.333	.333	.500	.833	1	0.2	.353	125	0.2
22	Andrew Heaney A. Heaney	3	15	24	2	3	0	0	0	0	1	0	13	0	0	27	0	2	0	0	0	.125	.160	.125	.285	-1	-3.9	.134	-28	-4