1990 Season
1989 / 1991

Type # %
Natural Grass
16
62%
Artificial Turf
10
38%
Open Air
21
81%
Dome
4
15%
Retractable Roof
1
4%

1-Year Park Factors
Home Runs Hits Singles Doubles Triples Walks Strikeouts
Park Team G R HR L R H L R 1B L R 2B L R 3B L R BB L R K L R
Wrigley Field CHN 81
121
127
142
121
114
116
113
114
115
114
109
118
103
98
87
108
99
97
100
93
89
96
Hubert H. Humphrey Metrodo... MIN 81
116
96
91
99
107
104
108
102
100
103
123
125
123
170
149
185
98
83
108
98
85
105
Busch Stadium II SLN 81
111
107
95
116
101
102
101
97
99
94
110
107
113
152
155
148
106
96
117
89
84
94
Fenway Park BOS 81
109
111
93
119
108
118
102
105
118
98
120
141
110
82
54
110
95
109
88
102
99
103
Atlanta-Fulton County Stad... ATL 81
107
110
137
98
106
112
103
109
113
107
100
106
97
60
71
54
91
92
90
97
101
95
Tiger Stadium DET 81
105
107
114
104
97
92
101
97
93
100
91
77
101
110
97
119
107
101
112
106
114
101
Jack Murphy Stadium SDN 81
105
108
90
118
99
97
100
98
98
98
89
85
92
161
160
164
94
86
102
109
112
107
Angel Stadium of Anaheim CAL 81
104
128
124
130
103
101
104
104
100
107
90
99
84
75
78
74
92
98
89
94
94
93
Rogers Centre TOR 81
103
125
116
130
102
104
100
99
101
98
98
110
90
107
109
104
97
102
92
97
93
100
Comiskey Park I CHA 80
103
82
64
90
102
99
104
104
105
103
99
83
110
131
120
143
102
99
103
98
99
98
Arlington Stadium TEX 82
102
118
135
109
103
97
108
102
91
112
95
100
92
141
139
140
100
98
101
108
112
105
Candlestick Park SFN 81
101
112
99
120
102
103
101
102
106
97
103
99
108
68
55
87
105
112
98
104
110
100
Cleveland Stadium CLE 81
100
103
79
112
102
96
105
105
97
110
97
108
92
64
74
59
103
95
109
97
104
95
Riverfront Stadium CIN 81
100
134
127
138
98
95
100
97
97
97
93
88
96
69
38
89
111
114
110
96
105
90
Kauffman Stadium KCA 81
100
69
65
71
102
106
99
102
109
97
113
106
118
137
153
121
87
84
91
94
85
100
Kingdome SEA 81
97
93
96
90
98
102
95
96
101
93
111
113
109
83
61
111
115
117
114
94
93
93
Veterans Stadium PHI 81
97
101
134
79
98
99
96
94
91
96
111
111
112
120
188
66
102
106
94
103
95
109
County Stadium ML4 81
96
94
110
88
95
97
94
96
101
92
92
77
103
87
89
86
100
112
93
102
95
107
Shea Stadium NYN 81
96
93
107
83
94
90
97
93
84
102
97
104
89
79
84
74
100
105
96
101
94
107
Yankee Stadium I NYA 81
95
94
108
87
97
107
92
97
112
90
101
90
106
80
82
79
100
108
97
98
105
95
Memorial Stadium BAL 80
94
115
136
104
93
91
94
90
87
93
93
92
93
71
65
79
101
99
102
111
120
105
Three Rivers Stadium PIT 81
93
85
81
90
96
96
97
95
96
95
108
105
111
98
113
88
103
103
105
102
103
102
Dodger Stadium LAN 81
92
92
84
100
97
96
98
104
103
106
75
77
73
79
90
67
99
106
93
101
104
98
Stade Olympique MON 81
91
87
100
78
98
102
95
97
101
94
108
111
106
105
109
102
93
90
97
101
100
101
Astrodome HOU 81
87
60
61
60
96
95
97
99
99
99
99
98
99
146
81
219
98
95
100
106
109
104
Oakland-Alameda County Col... OAK 81
78
77
66
82
92
88
94
99
90
104
78
89
72
72
104
43
103
100
105
103
103
103