The 1990 roster for the Pirates included Doug Drabek at pitcher, Michael LaValliere at catcher, Sid Bream at first baseman, Jose Lind at second baseman and Jeff King at third baseman.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Moises Alou M. Alou	OF	6'3"	230	7/3/1966	23	Atlanta, GA
2	Wally Backman W. Backman	3B	5'9"	160	9/22/1959	30	Hillsboro, OR
3	Doug Bair D. Bair	P	6'0"	180	8/22/1949	40	Defiance, OH
4	Stan Belinda S. Belinda	P	6'3"	185	8/6/1966	23	Huntingdon, PA
5	Jay Bell J. Bell	SS	6'0"	185	12/11/1965	24	Pensacola, FL
6	Rafael Belliard R. Belliard	2B	5'6"	150	10/24/1961	28	Pueblo Nuevo, Dominican Republic
7	Dann Bilardello D. Bilardello	C	6'0"	190	5/26/1959	31	Santa Cruz, CA
8	Barry Bonds B. Bonds	OF	6'2"	240	7/24/1964	25	Riverside, CA
9	Bobby Bonilla B. Bonilla	OF	6'3"	240	2/23/1963	27	Bronx, NY
10	Sid Bream S. Bream	1B	6'4"	220	8/3/1960	29	Carlisle, PA
11	John Cangelosi J. Cangelosi	OF	5'8"	160	3/10/1963	27	Brooklyn, NY
12	Steve Carter S. Carter	OF	6'4"	201	12/3/1964	25	Charlottesville, VA
13	Doug Drabek D. Drabek	P	6'1"	185	7/25/1962	27	Victoria, TX
14	Carlos Garcia C. Garcia	SS	6'1"	185	10/15/1967	22	Tachira, Venezuela
15	Neal Heaton N. Heaton	P	6'1"	205	3/3/1960	30	South Ozone Park, NY
16	Mark Huismann M. Huismann	P	6'3"	195	5/11/1958	32	Lincoln, NE
17	Jeff King J. King	3B	6'1"	180	12/26/1964	25	Marion, IN
18	Bob Kipper B. Kipper	P	6'2"	200	7/8/1964	25	Aurora, IL
19	Randy Kramer R. Kramer	P	6'2"	170	9/20/1960	29	Palo Alto, CA
20	Bill Landrum B. Landrum	P	6'2"	200	8/17/1957	32	Columbia, SC
21	Michael LaValliere M. LaValliere	C	5'9"	190	8/18/1960	29	Charlotte, NC
22	Jose Lind J. Lind	2B	5'11"	175	5/1/1964	26	Toa Baja, Puerto Rico
23	Carmelo Martinez C. Martinez	1B	6'2"	220	7/28/1960	29	Dorado, Puerto Rico
24	Lloyd McClendon L. McClendon	OF	5'11"	195	1/11/1959	31	Gary, IN
25	Orlando Merced O. Merced	C	6'1"	195	11/2/1966	23	San Juan, Puerto Rico