most home runs by a pirate single season

Ralph Kiner has hit the most homers for the Pirates in a season, with 54 homers in 1949.

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ralph Kiner R. Kiner	54	1949	PIT	152	549	116	170	19	5	127	117	1	61	6		667	361	78	0			10	.310	.432	.658	1.089	153	73.4	.484	179	65.8
2	Ralph Kiner R. Kiner	51	1947	PIT	152	565	118	177	23	4	127	98	2	81	1		666	361	78	1			12	.313	.417	.639	1.055	145	69.5	.472	169	58.2
3	Willie Stargell W. Stargell	48	1971	PIT	141	511	104	151	26	0	125	83	7	154	0	0	606	321	74	0	5	20	8	.295	.398	.628	1.026	122	59.7	.445	186	57.3
4	Ralph Kiner R. Kiner	47	1950	PIT	150	547	112	149	21	6	118	122	3	79	2		672	323	74	0			22	.272	.408	.590	.998	136	52	.441	152	44.9
5	Willie Stargell W. Stargell	44	1973	PIT	148	522	106	156	43	3	119	80	3	129	0	0	609	337	90	0	4	22	6	.299	.392	.646	1.038	125	57.5	.443	181	56.6
6	Ralph Kiner R. Kiner	42	1951	PIT	151	531	124	164	31	6	109	137	2	57	2	1	670	333	79	0			10	.309	.452	.627	1.079	153	74.7	.479	179	65.8
7	Ralph Kiner R. Kiner	40	1948	PIT	156	555	104	147	19	5	123	112	3	61	1		670	296	64	0			15	.265	.391	.533	.924	121	42	.422	143	35.5
8	Brian Giles B. Giles	39	1999	PIT	141	521	109	164	33	3	115	95	3	80	6	2	627	320	75	0	8	7	14	.315	.418	.614	1.032	132	50.1	.433	154	45.9
9	Brian Giles B. Giles	38	2002	PIT	153	497	95	148	37	5	103	135	7	74	15	6	644	309	80	0	5	24	10	.298	.450	.622	1.072	140	62.7	.444	174	59.5
10	Josh Bell J. Bell	37	2019	PIT	143	527	94	146	37	3	116	74	5	118	0	1	613	300	77	0	7	13	11	.277	.367	.569	.936	108	31	.378	135	28
11	Brian Giles B. Giles	37	2001	PIT	160	576	116	178	37	7	95	90	4	67	13	6	674	340	81	0	4	14	10	.309	.404	.590	.994	133	49	.413	151	44.6
12	Ralph Kiner R. Kiner	37	1952	PIT	149	516	90	126	17	2	87	110	7	77	3	0	633	258	56	0			6	.244	.384	.500	.884	107	37.7	.407	140	29.7
13	Pedro Alvarez P. Alvarez	36	2013	PIT	152	558	70	130	22	2	100	48	4	186	2	0	614	264	60	0	4	7	16	.233	.296	.473	.770	75	7.7	.330	112	8.6
14	Jason Bay J. Bay	35	2006	PIT	159	570	101	163	29	3	109	102	8	156	11	2	689	303	67	0	9	9	15	.286	.396	.532	.928	122	35.8	.392	138	33.9
15	Brian Giles B. Giles	35	2000	PIT	156	559	111	176	37	7	123	114	7	69	6	0	688	332	79	0	8	13	15	.315	.432	.594	1.026	144	53.8	.430	153	49.6
16	Dick Stuart D. Stuart	35	1961	PIT	138	532	83	160	28	8	117	34	4	121	0	3	576	309	71	1	5	1	22	.301	.344	.581	.925	102	34	.397	140	29.2
17	Frank Thomas F. Thomas	35	1958	PIT	149	562	89	158	26	4	109	42	7	79	0	1	620	297	65	1	8	2	19	.281	.334	.528	.863	96	26.3	.374	126	20.2
18	Aramis Ramirez A. Ramirez	34	2001	PIT	158	603	83	181	40	0	112	40	8	100	5	4	655	323	74	0	4	4	9	.300	.350	.536	.885	107	25.7	.374	125	21.4
19	Barry Bonds B. Bonds	34	1992	PIT	140	473	109	147	36	5	103	127	5	69	39	8	612	295	75	0	7	32	9	.311	.456	.624	1.080	131	65.4	.459	197	65.2
20	Barry Bonds B. Bonds	33	1990	PIT	151	519	104	156	32	3	114	93	3	83	52	13	621	293	68	0	6	15	8	.301	.406	.565	.970	118	48.3	.420	166	47.4
21	Willie Stargell W. Stargell	33	1972	PIT	138	495	74	145	28	2	112	65	2	129	1	1	569	276	63	0	7	15	7	.293	.373	.558	.930	99	42.8	.410	161	37.9
22	Willie Stargell W. Stargell	33	1966	PIT	140	485	84	153	30	0	102	48	6	109	2	3	549	282	63	5	5	16	7	.315	.381	.581	.962	102	44.1	.410	160	38.2
23	Jason Bay J. Bay	32	2005	PIT	162	599	110	183	44	6	101	95	6	142	21	1	707	335	82	0	7	9	12	.306	.402	.559	.961	132	47.3	.407	150	44.1
24	Bobby Bonilla B. Bonilla	32	1990	PIT	160	625	112	175	39	7	120	45	1	103	4	3	686	324	78	0	15	9	11	.280	.322	.518	.841	99	22.7	.362	127	21.8
25	Willie Stargell W. Stargell	32	1979	PIT	126	424	60	119	19	0	82	47	3	105	0	1	480	234	51	0	6	12	10	.281	.352	.552	.904	79	23.1	.385	138	21.4