Bobby Bonilla had the most at-bats for the Pirates in 1990, with 625 at-bats.

	NAME	AB	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Bobby Bonilla B. Bonilla	625	1990	PIT	160	112	175	39	7	32	120	45	1	103	4	3	686	324	78	0	15	9	11	.280	.322	.518	.841	99	22.7	.362	127	21.8
2	Jay Bell J. Bell	583	1990	PIT	159	93	148	28	7	7	52	65	3	109	10	6	696	211	42	39	6	0	14	.254	.329	.362	.691	76	-1.7	.315	97	-2.6
3	Barry Bonds B. Bonds	519	1990	PIT	151	104	156	32	3	33	114	93	3	83	52	13	621	293	68	0	6	15	8	.301	.406	.565	.970	118	48.3	.420	166	47.4
4	Jose Lind J. Lind	514	1990	PIT	152	46	134	28	5	1	48	35	1	52	8	0	561	175	34	4	7	19	20	.261	.305	.340	.646	45	-17.6	.278	72	-18.3
5	Andy Van Slyke A. Van Slyke	493	1990	PIT	136	67	140	26	6	17	77	66	1	89	14	4	567	229	49	3	4	2	6	.284	.367	.465	.832	86	22.9	.371	134	22.2
6	Sid Bream S. Bream	389	1990	PIT	147	39	105	23	2	15	67	48	2	65	8	4	448	177	40	4	5	5	6	.270	.349	.455	.804	63	12.7	.356	123	12.1
7	Jeff King J. King	371	1990	PIT	127	46	91	17	1	14	53	21	1	50	3	3	402	152	32	2	7	1	12	.245	.283	.410	.692	41	-3.9	.306	90	-4.5
8	Wally Backman W. Backman	315	1990	PIT	104	62	92	21	3	2	28	42	1	53	6	3	361	125	26	0	3	1	5	.292	.374	.397	.771	49	8.8	.350	120	8.3
9	Michael LaValliere M. LaValliere	279	1990	PIT	96	27	72	15	0	3	31	44	2	20	0	3	330	96	18	4	1	8	6	.258	.362	.344	.706	37	0.4	.320	100	0
10	Don Slaught D. Slaught	230	1990	PIT	84	27	69	18	3	4	29	27	3	27	0	1	267	105	25	3	4	2	2	.300	.375	.457	.832	40	10.4	.369	132	10
11	Gary Redus G. Redus	227	1990	PIT	96	32	56	15	3	6	23	33	2	38	11	5	268	95	24	1	5	0	1	.247	.341	.419	.759	35	4.7	.341	114	4.3
12	R.J. Reynolds	215	1990	PIT	95	25	62	10	1	0	19	23	0	35	12	2	240	74	11	0	2	1	12	.288	.354	.344	.698	27	0.3	.320	100	-0.1
13	Doug Drabek D. Drabek	84	1990	PIT	33	8	18	2	0	1	6	4	1	25	0	0	96	23	3	7	0	0	0	.214	.258	.274	.532	5	-5.3	.246	51	-5.5
14	John Cangelosi J. Cangelosi	76	1990	PIT	58	13	15	2	0	0	1	11	1	12	7	2	90	17	2	2	0	0	2	.197	.307	.224	.531	6	-4	.260	60	-4.2
15	Rafael Belliard R. Belliard	54	1990	PIT	47	10	11	3	0	0	6	5	1	13	1	2	61	14	3	1	0	0	2	.204	.283	.259	.543	4	-2.9	.257	58	-3
16	John Smiley J. Smiley	49	1990	PIT	26	1	6	0	0	0	3	3	0	15	0	0	55	6	0	3	0	0	0	.122	.173	.122	.296	-1	-7.3	.146	-16	-7.4
17	Neal Heaton N. Heaton	43	1990	PIT	32	3	2	0	0	0	1	4	0	13	1	0	50	2	0	3	0	0	3	.047	.128	.047	.174	-3	-8.5	.099	-46	-8.5
18	Dann Bilardello D. Bilardello	37	1990	PIT	19	1	2	0	0	0	3	4	0	10	0	0	43	2	0	2	0	1	0	.054	.146	.054	.200	-2	-7.3	.098	-47	-7.4
19	Bob Walk B. Walk	37	1990	PIT	26	3	6	1	0	0	4	1	1	13	0	0	49	7	1	10	0	0	1	.162	.205	.189	.394	1	-5	.187	12	-5
20	Zane Smith Z. Smith	28	1990	PIT	11	0	4	2	0	0	0	1	0	7	0	0	30	6	2	1	0	0	0	.143	.172	.214	.387	0	-3.3	.177	5	-3.3
21	Walt Terrell W. Terrell	28	1990	PIT	16	0	3	0	0	0	0	1	0	13	0	0	30	3	0	1	0	0	1	.107	.138	.107	.245	-1	-4.6	.118	-34	-4.7
22	Randy Tomlin R. Tomlin	25	1990	PIT	12	1	1	1	0	0	0	1	0	7	0	0	28	2	1	2	0	0	1	.040	.077	.080	.157	-2	-5.2	.077	-61	-5.2
23	Orlando Merced O. Merced	24	1990	PIT	25	3	5	1	0	0	0	1	0	9	0	0	25	6	1	0	0	0	1	.208	.240	.250	.490	1	-1.8	.226	37	-1.8
24	Carmelo Martinez C. Martinez	19	1990	PIT	12	3	4	1	0	2	4	1	0	5	0	0	20	11	3	0	0	0	0	.211	.250	.579	.829	3	0.6	.359	126	0.6
25	Bob Patterson B. Patterson	19	1990	PIT	55	0	1	0	0	0	0	0	0	6	0	0	20	1	0	1	0	0	0	.053	.053	.053	.105	-2	-4.2	.048	-80	-4.2