1970 Season
1969 / 1971

Type # %
Natural Grass
21
83%
Artificial Turf
5
17%
Open Air
25
96%
Dome
1
4%
Retractable Roof
0
0%

3-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
Forbes Field PIT 42
95
62
73
55
102
103
100
105
108
102
97
93
101
152
113
159
97
99
96
103
102
108
Municipal Stadium KCA 79
100
67
91
54
102
103
101
101
102
100
119
108
118
163
162
145
106
104
108
97
98
96
Astrodome HOU 81
91
68
71
68
98
97
100
100
97
102
100
98
101
136
139
133
100
101
99
105
108
104
Jack Murphy Stadium SDN 81
94
81
73
84
99
96
101
100
100
100
106
98
113
102
88
111
95
97
93
99
97
99
Busch Stadium II SLN 81
103
82
83
82
102
100
103
104
102
105
99
94
101
119
122
114
99
100
99
93
99
89
Three Rivers Stadium PIT 40
99
County Stadium ML4 81
99
87
84
90
98
97
100
101
98
102
95
98
95
99
100
97
102
98
107
104
103
106
Yankee Stadium I NYA 81
90
89
132
59
95
98
93
96
95
97
91
98
92
118
114
123
100
106
96
102
111
97
Robert F. Kennedy Stadium WS2 81
93
89
88
90
98
98
98
100
102
100
94
90
99
106
109
97
96
91
100
97
102
94
Dodger Stadium LAN 81
89
89
82
95
96
97
98
101
101
100
87
89
92
68
79
83
99
100
101
103
102
104
Angel Stadium of Anaheim CAL 81
93
92
91
93
97
97
98
100
100
101
89
94
92
97
106
103
98
101
96
97
95
97
Memorial Stadium BAL 81
96
93
88
98
98
99
99
100
101
100
97
98
98
91
106
96
96
101
92
98
98
95
Riverfront Stadium CIN 45
94
95
94
96
98
100
97
95
99
95
108
105
105
122
133
113
91
75
94
96
93
96
Oakland-Alameda County Col... OAK 81
91
96
92
99
96
97
97
98
99
98
93
99
93
64
69
67
99
89
106
104
111
102
Metropolitan Stadium MIN 81
103
98
87
106
103
101
103
104
101
106
92
102
88
161
159
151
94
96
89
97
91
100
Shibe Park PHI 80
97
99
75
112
99
97
100
98
99
99
101
96
103
99
104
88
102
106
102
101
107
99
Shea Stadium NYN 82
96
102
126
93
97
101
96
97
99
96
96
98
98
101
104
104
104
108
105
105
100
108
Candlestick Park SFN 81
97
103
99
107
97
95
99
96
95
98
98
99
100
84
80
93
103
96
109
104
104
104
Crosley Field CIN 36
110
Fenway Park BOS 81
113
108
88
121
109
106
109
104
105
103
135
130
129
107
91
118
104
110
103
97
93
98
Comiskey Park I CHA 84
107
108
102
116
101
100
102
100
101
100
101
97
105
91
110
80
103
100
105
99
96
101
Tiger Stadium DET 81
102
122
127
120
100
103
98
99
103
97
92
91
94
83
100
80
97
98
93
107
99
115
Parc Jarry MON 80
104
124
136
117
101
102
98
100
101
98
92
99
91
90
92
90
98
97
97
103
104
104
Wrigley Field CHN 80
118
127
123
133
108
109
106
107
107
106
104
112
97
103
111
97
102
101
103
93
87
91
Cleveland Stadium CLE 81
108
131
119
139
102
101
103
101
100
102
94
95
96
69
78
74
103
103
104
100
102
100
Atlanta-Fulton County Stad... ATL 81
112
138
148
134
103
103
101
101
100
101
95
105
91
69
81
71
101
106
99
92
98
89