1991 Pittsburgh Pirates season

1991 Pittsburgh Pirates
National League East Champions
League	National League
Division	East
Ballpark	Three Rivers Stadium
City	Pittsburgh, Pennsylvania[1]
Record	98–64 (.605)
Divisional place	1st
Owners	Pittsburgh Associates
General managers	Larry Doughty
Managers	Jim Leyland
Television	KDKA-TV KBL
Radio	KDKA-AM (Steve Blass, Kent Derdivanis, Lanny Frattare, Jim Rooker)
← 1990 Seasons 1992 →

The 1991 Pittsburgh Pirates season was the 110th in franchise history; the 105th in the National League. This was their 22nd season at Three Rivers Stadium. For the second consecutive season, the Pirates won the National League East title with a record of 98–64. The Pirates finished the season with the best record in Major League Baseball. They were defeated four games to three by the Atlanta Braves in the NLCS. During the season, John Smiley won 20 games – the last to do so for the Pirates in the 20th century.^[2]

• December 6, 1990: Zane Smith was signed as a free agent by the Pirates.^[3]
• February 4, 1991: Mark Huismann was signed as a free agent by the Pirates.^[4]
• March 21, 1991: Esteban Loaiza was signed as an amateur free agent by the Pirates.^[5]
• March 29, 1991: Steve Carter was traded by the Pirates to the Chicago Cubs for Gary Varsho.^[6]

• v
• t
• e

NL East

Team	W	L	Pct.	GB	Home	Road
Pittsburgh Pirates	98	64	.605	—	52‍–‍32	46‍–‍32
St. Louis Cardinals	84	78	.519	14	52‍–‍32	32‍–‍46
Philadelphia Phillies	78	84	.481	20	47‍–‍36	31‍–‍48
Chicago Cubs	77	83	.481	20	46‍–‍37	31‍–‍46
New York Mets	77	84	.478	20½	40‍–‍42	37‍–‍42
Montreal Expos	71	90	.441	26½	33‍–‍35	38‍–‍55

1991 Game Log (98–64)
April (13–7) # Date Opponent Score Win Loss Save Attendance Record 1 April 8 Expos 0–7 Martinez Drabek — 54,274 0–1 2 April 9 Expos 4–3 Kipper Frey Landrum 6,624 1–1 3 April 10 Expos 6–3 Smith Boyd Belinda 7,656 2–1 4 April 12 @ Cubs 3–1 Smiley Boskie Palacios 8,704 3–1 5 April 13 @ Cubs 3–7 Bielecki Drabek — 23,838 3–2 6 April 14 @ Cubs 4–6 Slocumb Belinda Smith 25,994 3–3 7 April 15 Mets 3–9 Cone Kipper — 6,785 3–4 8 April 16 Mets 4–2 Tomlin Whitehurst Belinda 16,963 4–4 9 April 17 Mets 4–0 Smiley Darling — 14,792 5–4 10 April 18 Cubs 2–3 Sutcliffe Drabek Assenmacher 9,148 5–5 11 April 19 Cubs 5–4 Belinda Smith — 13,157 6–5 12 April 20 Cubs 9–3 Smith Maddux — 13,179 7–5 13 April 21 Cubs 13–12 (11) Patterson Bielecki — 10,860 8–5 14 April 23 @ Expos 7–3 Smiley Sampen — 7,770 9–5 15 April 24 @ Expos 2–1 Drabek Martinez Landrum 8,592 10–5 16 April 25 @ Expos 8–0 Palacios Nabholz — 7,868 11–5 17 April 26 @ Mets 0–2 Viola Smith Franco 30,702 11–6 18 April 27 @ Mets 10–1 Tomlin Cone — 32,062 12–6 19 April 28 @ Mets 7–3 Smiley Darling — 34,141 13–6 20 April 30 @ Reds 3–4 Browning Drabek Dibble 20,627 13–7
May (17–8) # Date Opponent Score Win Loss Save Attendance Record 21 May 1 @ Reds 6–4 Belinda Myers Landrum 25,231 14–7 22 May 3 Astros 1–0 Smith Harnisch — 24,145 15–7 23 May 4 Astros 3–8 Jones Smiley Clancy 19,257 15–8 24 May 5 Astros 4–6 Portugal Drabek Schilling 17,727 15–9 25 May 6 Reds 3–1 Palacios Rijo Landrum 9,518 16–9 26 May 7 Reds 7–2 Tomlin Hammond Belinda 14,258 17–9 27 May 8 Reds 7–2 Smith Charlton — 14,594 18–9 28 May 10 Braves 5–2 Smiley Smoltz Belinda 23,936 19–9 29 May 11 Braves 2–3 Leibrandt Drabek Mercker 33,914 19–10 30 May 12 Braves 1–6 Avery Palacios Berenguer 20,287 19–11 31 May 14 @ Astros 6–3 Smith Harnisch — 7,846 20–11 32 May 15 @ Astros 8–7 Kipper Schilling Landrum 9,577 21–11 33 May 16 @ Astros 6–4 Drabek Clancy Belinda 8,419 22–11 34 May 17 @ Braves 3–9 Avery Palacios — 32,824 22–12 35 May 19 @ Braves 1–7 Glavine Smith Berenguer 27,164 22–13 36 May 21 Cardinals 5–3 Smiley Moyer Landrum 9,226 23–13 37 May 22 Cardinals 3–5 Carpenter Drabek Smith 19,630 23–14 38 May 23 Cardinals 2–8 DeLeon Tomlin Terry 8,557 23–15 39 May 24 Phillies 9–1 Smith Mulholland — 29,770 24–15 40 May 25 Phillies 4–2 (11) Palacios Boever — 24,358 25–15 41 May 26 Phillies 5–2 Smiley Grimsley Landrum 26,117 26–15 42 May 27 @ Cardinals 8–0 Drabek Tewksbury — 40,667 27–15 43 May 28 @ Cardinals 9–8 Belinda DeLeon Landrum 22,766 28–15 44 May 29 @ Cardinals 6–0 Smith Smith — 27,178 29–15 45 May 31 @ Phillies 5–1 Walk Grimsley — 25,652 30–15
June (15–12) # Date Opponent Score Win Loss Save Attendance Record 46 June 1 @ Phillies 5–3 Smiley Combs Landrum 31,601 31–15 47 June 2 @ Phillies 5–3 Walk Williams Patterson 36,185 32–15 48 June 4 Giants 3–5 Burkett Smith Righetti 19,460 32–16 49 June 5 Giants 7–3 Walk Downs — 15,461 33–16 50 June 6 Giants 3–6 Black Smiley Righetti 23,662 33–17 51 June 7 Padres 1–0 Drabek Hurst Landrum 25,095 34–17 52 June 8 Padres 0–11 Maddux Tomlin — 51,292 34–18 53 June 9 Padres 3–5 Benes Smith Lefferts 33,278 34–19 54 June 10 Padres 5–3 Palacios Rasmussen Landrum 10,512 35–19 55 June 12 Dodgers 2–1 Drabek Morgan Landrum 21,898 36–19 56 June 13 Dodgers 2–3 Gott Tomlin Howell 26,377 36–20 57 June 14 @ Giants 2–3 Oliveras Smith Righetti 17,333 36–21 58 June 15 @ Giants 0–4 Remlinger Smiley — 31,807 36–22 59 June 16 @ Giants 4–3 Walk Black Landrum 27,634 37–22 60 June 17 @ Padres 3–2 Drabek Hurst Palacios 15,951 38–22 61 June 18 @ Padres 3–1 Landrum Lefferts — 14,697 39–22 62 June 19 @ Padres 5–6 Andersen Heaton — 27,272 39–23 63 June 20 @ Dodgers 2–3 Gross Smiley — 50,060 39–24 64 June 21 @ Dodgers 5–1 Walk Ojeda Kipper 44,085 40–24 65 June 22 @ Dodgers 1–4 Morgan Drabek — 42,891 40–25 66 June 23 @ Dodgers 0–2 Belcher Smith Crews 46,354 40–26 67 June 25 Cubs 1–5 Lancaster Smiley — 31,115 40–27 68 June 26 Cubs 7–6 Walk Maddux Landrum 41,389 41–27 69 June 27 Cubs 4–3 Palacios Assenmacher — 30,960 42–27 70 June 28 @ Expos 6–1 Smith Haney — 14,501 43–27 71 June 29 @ Expos 2–1 Heaton Ruskin Landrum 16,961 44–27 72 June 30 @ Expos 2–1 Smiley Martinez Belinda 22,920 45–27
July (15–12) # Date Opponent Score Win Loss Save Attendance Record 73 July 1 @ Cubs 5–6 (13) Scanlan Belinda — 32,633 45–28 74 July 2 @ Cubs 13–4 Drabek Boskie — 34,332 46–28 75 July 3 @ Cubs 11–7 Smith Lancaster — 33,432 47–28 76 July 4 @ Cubs 8–9 (11) McElroy Landrum — 31,098 47–29 77 July 5 Expos 3–4 Martinez Smiley — 37,807 47–30 78 July 6 Expos 1–2 Gardner Walk Burke 34,182 47–31 79 July 7 Expos 6–1 Drabek Boyd Belinda 41,995 48–31 80 July 11 @ Reds 10–6 Palacios Myers — 35,159 49–31 81 July 12 @ Reds 7–2 Drabek Armstrong — 42,181 50–31 82 July 13 @ Reds 5–2 Smiley Browning Kipper 48,857 51–31 83 July 14 @ Reds 10–6 Walk Gross Patterson 42,573 52–31 84 July 15 Astros 8–0 Tomlin Jones — 21,642 53–31 85 July 16 Astros 6–4 Smith Kile Belinda 18,028 54–31 86 July 17 Astros 2–10 Jones Drabek Osuna 38,736 54–32 87 July 19 Reds 7–2 Smiley Browning — 38,318 55–32 88 July 20 Reds 2–3 Gross Walk Power 34,805 55–33 89 July 21 Reds 6–0 Tomlin Hammond — 34,717 56–33 90 July 22 Braves 3–7 Smoltz Smith — 20,549 56–34 91 July 23 Braves 12–3 Drabek Leibrandt — 21,664 57–34 92 July 24 Braves 7–4 Smiley Glavine Belinda 26,508 58–34 93 July 26 @ Astros 8–1 Heaton Kile — 26,185 59–34 94 July 27 @ Astros 11–5 Tomlin Jones — 24,447 60–34 95 July 28 @ Astros 7–9 Bowen Smith Clancy 20,754 60–35 96 July 29 @ Braves 5–7 Glavine Drabek Freeman 0 60–36 97 July 29 @ Braves 3–5 Mahler Smiley Mercker 32,292 60–37 98 July 30 @ Braves 3–10 Parrett Landrum Mercker 27,099 60–38 99 July 31 @ Braves 6–8 Smoltz Palacios Stanton 23,955 60–39
August (17–12) # Date Opponent Score Win Loss Save Attendance Record 100 August 1 @ Cardinals 3–6 Olivares Tomlin Smith 28,276 60–40 101 August 2 @ Cardinals 3–4 McClure Belinda — 36,228 60–41 102 August 3 @ Cardinals 5–6 (10) Smith Patterson — 40,627 60–42 103 August 4 @ Cardinals 2–1 Smiley Hill — 34,243 61–42 104 August 6 @ Mets 3–1 Tomlin Fernandez — 38,658 62–42 105 August 7 @ Mets 1–7 Gooden Smith — 41,542 62–43 106 August 8 @ Mets 3–4 Viola Drabek Franco 41,672 62–44 107 August 9 Cardinals 1–5 Smith Smiley — 38,136 62–45 108 August 10 Cardinals 11–5 Heaton Hill — 49,939 63–45 109 August 11 Cardinals 6–4 Mason Tewksbury Landrum 31,814 64–45 110 August 12 Cardinals 4–3 (11) Patterson Smith — 26,328 65–45 111 August 13 Phillies 4–3 Drabek Cox Belinda 22,584 66–45 112 August 14 Phillies 5–3 Smiley Greene Belinda 42,501 67–45 113 August 15 Phillies 4–6 de Jesus Heaton Williams 28,193 67–46 114 August 16 Mets 8–2 Tomlin Fernandez — 39,275 68–46 115 August 17 Mets 4–1 Smith Gooden Belinda 44,707 69–46 116 August 18 Mets 9–2 Drabek Viola — 36,014 70–46 117 August 20 @ Phillies 5–6 Searcy Belinda — 23,336 70–47 118 August 21 @ Phillies 5–6 Williams Kipper — 35,591 70–48 119 August 22 @ Phillies 3–4 (11) Williams Landrum — 41,544 70–49 120 August 23 Giants 8–0 Drabek Burkett — 32,419 71–49 121 August 24 Giants 1–5 Wilson Heaton — 33,035 71–50 122 August 25 Giants 8–3 Smiley Oliveras Belinda 30,453 72–50 123 August 26 Padres 5–7 (10) Lefferts Landrum — 27,396 72–51 124 August 27 Padres 5–2 Smith Bones Mason 19,227 73–51 125 August 28 @ Dodgers 6–4 Rodriguez McDowell Belinda 39,040 74–51 126 August 29 @ Dodgers 4–1 Mason Morgan Landrum 46,414 75–51 127 August 30 @ Padres 4–1 Smiley Rasmussen Rodriguez 21,726 76–51 128 August 31 @ Padres 3–2 (12) Landrum Melendez Kipper 16,170 77–51
September (18–11) # Date Opponent Score Win Loss Save Attendance Record 129 September 1 @ Padres 4–7 Bones Smith Maddux 13,099 77–52 130 September 2 @ Giants 9–8 Belinda Righetti Rodriguez 16,971 78–52 131 September 3 @ Giants 5–3 (10) Patterson Oliveras — 9,544 79–52 132 September 4 @ Giants 8–3 Smiley Black Mason 8,690 80–52 133 September 6 Dodgers 3–4 McDowell Belinda — 0 80–53 134 September 6 Dodgers 3–1 Smith Gross — 46,993 81–53 135 September 7 Dodgers 1–5 Ojeda Drabek Gott 37,416 81–54 136 September 8 Dodgers 1–5 Morgan Patterson — 31,563 81–55 137 September 9 @ Cubs 12–10 Belinda Smith Rodriguez 18,775 82–55 138 September 10 @ Cubs 2–6 Sutcliffe Tomlin Scanlan 29,299 82–56 139 September 11 @ Cardinals 3–1 Smith Tewksbury — 20,457 83–56 140 September 12 @ Cardinals 0–1 Hill Drabek Smith 21,412 83–57 141 September 13 @ Phillies 8–6 Belinda Williams Rodriguez 29,107 84–57 142 September 14 @ Phillies 5–3 Smiley Ashby Palacios 27,412 85–57 143 September 15 @ Phillies 3–8 Greene Tomlin Williams 35,560 85–58 144 September 16 Cubs 5–4 Smith Castillo Mason 16,149 86–58 145 September 17 Cubs 9–2 Drabek Bielecki — 18,152 87–58 146 September 18 Cardinals 6–5 Mason Fraser — 30,123 88–58 147 September 19 Cardinals 5–1 Belinda Olivares — 22,904 89–58 148 September 20 Phillies 3–8 Greene Tomlin — 22,691 89–59 149 September 21 Phillies 7–0 Smith de Jesus — 27,162 90–59 150 September 22 Phillies 2–1 Drabek Brantley — 33,662 91–59 151 September 24 @ Mets 10–8 Patterson Innis Rodriguez 12,336 92–59 152 September 26 @ Mets 4–3 (15) Landrum Whitehurst — 0 93–59 153 September 26 @ Mets 1–2 Burke Mason Franco 14,451 93–60 154 September 27 Expos 8–12 Ruskin Rodriguez — 8,201 93–61 155 September 28 Expos 2–3 Nabholz Drabek Rojas 17,122 93–62 156 September 29 Expos 6–3 Walk Sampen Kipper 14,798 94–62 157 September 30 Mets 6–5 Landrum Simons Rodriguez 16,170 95–62
October (3–2) # Date Opponent Score Win Loss Save Attendance Record 158 October 1 Mets 2–1 Smiley Cone Belinda 14,697 96–62 159 October 2 Mets 6–9 (11) Franco Patterson — 13,328 96–63 160 October 4 Expos 1–3 Jones Mason Rojas 14,227 96–64 161 October 5 Expos 4–3 Walk Fassero Belinda 14,038 97–64 162 October 6 Expos 7–0 Smiley Barnes — 23,429 98–64
Legend:        = Win        = Loss Bold = Pirates team member

1991 National League record v t e Sources: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12]
Team	ATL	CHC	CIN	HOU	LAD	MON	NYM	PHI	PIT	SD	SF	STL
Atlanta	—	6–6	11–7	13–5	7–11	5–7	9–3	5–7	9–3	11–7	9–9	9–3
Chicago	6–6	—	4–8	9–3	2–10	10–7	11–6	8–10	7–11	4–8	6–6	10–8
Cincinnati	7–11	8–4	—	9–9	6–12	6–6	5–7	9–3	2–10	8–10	10–8	4–8
Houston	5–13	3–9	9–9	—	8–10	2–10	7–5	7–5	4–8	6–12	9–9	5–7
Los Angeles	11–7	10–2	12–6	10–8	—	5–7	7–5	7–5	7–5	10–8	8–10	6–6
Montreal	7–5	7–10	6–6	10–2	7–5	—	4–14	4–14	6–12	6–6	7–5	7–11
New York	3–9	6–11	7–5	5–7	5–7	14–4	—	11–7	6–12	7–5	6–6	7–11
Philadelphia	7-5	10–8	3–9	5–7	5–7	14–4	7–11	—	6–12	9–3	6–6	6–12
Pittsburgh	3–9	11–7	10–2	8–4	5–7	12–6	12–6	12–6	—	7–5	7–5	11–7
San Diego	7–11	8–4	10–8	12–6	8–10	6–6	5–7	3–9	5–7	—	11–7	9–3
San Francisco	9–9	6–6	8–10	9–9	10–8	5–7	6–6	6–6	5–7	7–11	—	4–8
St. Louis	3–9	8–10	8–4	7–5	6–6	11–7	11–7	12–6	7–11	3–9	8–4	—

1991 Pittsburgh Pirates
Roster
Pitchers 50 Stan Belinda 15 Doug Drabek 46 Héctor Fajardo 26 Neal Heaton 27 Mark Huismann 16 Bob Kipper 43 Bill Landrum 48 Roger Mason 64 Paul Miller 58 Vicente Palacios 38 Bob Patterson 34 Rick Reed 30 Rosario Rodríguez 57 John Smiley 41 Zane Smith 29 Randy Tomlin 17 Bob Walk	Catchers 28 Jeff Banister 12 Mike LaValliere 14 Tom Prince 11 Don Slaught Infielders  3 Jay Bell 27 Steve Buechele 51 Carlos García  7 Jeff King 13 José Lind 28 Carmelo Martínez  6 Orlando Merced 36 Joe Redfield  2 Gary Redus 36 Jeff Richardson 52 John Wehner 19 Curtis Wilkerson	Outfielders 24 Barry Bonds 23 Bobby Bonilla 47 Scott Bullett 44 Cecil Espy  5 José González 22 Lloyd McClendon 47 Jeff Schulz 18 Andy Van Slyke 42 Gary Varsho 27 Mitch Webster	Manager 10 Jim Leyland Coaches 45 Rich Donnelly (bullpen) 32 Gene Lamont (third base) 39 Milt May (hitting) 31 Ray Miller (pitching) 37 Tommy Sandt (first base)

Opening Day Starters
#	Name	Position
2	Gary Redus	1B
3	Jay Bell	SS
18	Andy Van Slyke	CF
23	Bobby Bonilla	RF
24	Barry Bonds	LF
7	Jeff King	3B
12	Mike LaValliere	C
13	José Lind	2B
15	Doug Drabek	SP

1991 Major League Baseball All-Star Game

• Bobby Bonilla, DH, starter
• John Smiley, P, reserve

Batting

Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in

Pitching

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Game 1

October 9: Three Rivers Stadium in Pittsburgh, Pennsylvania

Team	1	2	3	4	5	6	7	8	9	R	H	E
Atlanta	0	0	0	0	0	0	0	0	1	1	5	1
Pittsburgh	1	0	2	0	0	1	0	1	X	5	8	1
W: Doug Drabek (1-0)   L: Tom Glavine (0-1)   S: Bob Walk (1)
HR: ATL – David Justice (1)  PIT – Andy Van Slyke (1)
Pitchers: ATL – Glavine (6), Wohlers (1), Stanton (1)  PIT – Drabek (6), Walk (3)
Attendance: 57,347  Time: 2:51

Game 2

October 10: Three Rivers Stadium in Pittsburgh, Pennsylvania

Team	1	2	3	4	5	6	7	8	9	R	H	E
Atlanta	0	0	0	0	0	1	0	0	0	1	8	0
Pittsburgh	0	0	0	0	0	0	0	0	0	0	6	0
W: Steve Avery (1-0)   L: Zane Smith (0-1)   S: Alejandro Peña (1)
HR: ATL – None   PIT – None
Pitchers: ATL – Avery (81⁄3), Pena (2/3)  PIT – Z. Smith (7), Mason (1), Belinda (1)
Attendance: 57,533  Time: 2:46

Game 3

October 12: Atlanta–Fulton County Stadium in Atlanta

Team	1	2	3	4	5	6	7	8	9	R	H	E
Pittsburgh	1	0	0	1	0	0	1	0	0	3	10	2
Atlanta	4	1	1	0	0	0	1	3	X	10	11	0
W: John Smoltz (1-0)   L: John Smiley (0-1)   S: Alejandro Peña (2)
HR: PIT – None  ATL – Greg Olson (1), Ron Gant (1), Sid Bream (1)
Pitchers: PIT – Smiley (2), Landrum (1), Patterson (2), Kipper (2), Rodriguez (1)  ATL – Smoltz (61⁄3), Stanton (2/3), Wohlers (1/3), Pena (12⁄3)
Attendance: 50,905  Time: 3:21

Game 4

October 13: Atlanta–Fulton County Stadium in Atlanta

Team	1	2	3	4	5	6	7	8	9	10	R	H	E
Pittsburgh	0	1	0	0	1	0	0	0	0	1	3	11	1
Atlanta	2	0	0	0	0	0	0	0	0	0	2	7	1
W: Stan Belinda (1-0)   L: Kent Mercker (0-1)   S: None
HR: PIT – None  ATL – None
Pitchers: PIT – Tomlin (6), Walk (2), Belinda (2)  ATL – Leibrant (62⁄3), Clancy (1/3), Stanton (2), Mercker (2/3), Wohlers (1/3)
Attendance: 51,109  Time: 3:43

Game 5

October 14: Atlanta–Fulton County Stadium in Atlanta

Team	1	2	3	4	5	6	7	8	9	R	H	E
Pittsburgh	0	0	0	0	1	0	0	0	0	1	6	2
Atlanta	0	0	0	0	0	0	0	0	0	0	9	1
W: Zane Smith (1-1)   L: Tom Glavine (0-2)   S: Roger Mason (1)
HR: PIT – None  ATL – None
Pitchers: PIT – Z. Smith (72⁄3), Mason (11⁄3)  ATL – Glavine (8), Pena (1)
Attendance: 51,109  Time: 2:51

Game 6

October 16: Three Rivers Stadium in Pittsburgh, Pennsylvania

Team	1	2	3	4	5	6	7	8	9	R	H	E
Atlanta	0	0	0	0	0	0	0	0	1	1	7	0
Pittsburgh	0	0	0	0	0	0	0	0	0	0	4	0
W: Steve Avery (2-0)   L: Doug Drabek (1-1)   S: Alejandro Peña (3)
HR: ATL – None  PIT – None
Pitchers: ATL – Avery (8), Pena (1)  PIT – Drabek (9)
Attendance: 54,508  Time: 3:09

Game 7

October 17: Three Rivers Stadium in Pittsburgh, Pennsylvania

Team	1	2	3	4	5	6	7	8	9	R	H	E
Atlanta	3	0	0	0	1	0	0	0	0	4	6	1
Pittsburgh	0	0	0	0	0	0	0	0	0	0	6	0
W: John Smoltz (2-0)   L: John Smiley (0-2)   S: None
HR: ATL – Brian Hunter (1)  PIT – None
Pitchers: ATL – Smoltz (9)  PIT – Smiley (2/3), Walk (41⁄3), Mason (2), Belinda (2)
Attendance: 46,932  Time: 3:04

• May 16, 1991: Mike York was traded by the Pirates to the Cleveland Indians for Mitch Webster.^[11]
• June 11, 1991: Mark Huismann was released by the Pirates.^[4]

Level	Team	League	Manager
AAA	Buffalo Bisons	American Association	Terry Collins
AA	Carolina Mudcats	Southern League	Marc Bombard
A	Salem Buccaneers	Carolina League	Stan Cliburn
A	Augusta Pirates	South Atlantic League	Don Werner
A-Short Season	Welland Pirates	New York–Penn League	Lee Driggers
Rookie	GCL Pirates	Gulf Coast League	Woody Huyke

• 1991 Pittsburgh Pirates team at Baseball-Reference
• 1991 Pittsburgh Pirates team page at baseball-almanac.com
• Johnson, Lloyd; Wolff, Miles, eds. (2007). The Encyclopedia of Minor League Baseball (3rd ed.). Durham, North Carolina: Baseball America. ISBN 978-1-932391-17-6.