Seamheads.com Ballparks Database

1990 Season

1989 / 1991

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

3-Year Park Factors

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	113	123	122	125	106	107	105	106	106	106	101	109	94	93	95	93	96	96	92	98	94	99
Atlanta-Fulton County Stad...	ATL	81	113	119	122	118	105	105	104	106	106	105	101	105	99	76	78	88	94	90	95	93	96	91
Hubert H. Humphrey Metrodo...	MIN	81	111	96	101	94	105	104	105	103	101	104	114	114	111	140	119	141	99	102	98	101	94	102
Fenway Park	BOS	81	109	104	93	111	107	109	104	103	105	101	124	133	110	93	86	99	102	108	100	99	93	102
Riverfront Stadium	CIN	81	107	126	132	124	102	104	101	98	101	98	111	112	105	91	96	95	109	114	110	95	98	92
Tiger Stadium	DET	81	104	119	129	114	97	100	96	96	100	94	92	92	93	103	99	107	108	114	108	103	106	103
Kingdome	SEA	81	103	110	129	99	100	103	98	97	99	98	110	112	105	100	110	98	100	94	105	101	99	100
Rogers Centre	TOR	81	102	118	98	134	102	100	103	98	97	101	105	108	100	114	122	99	100	106	93	98	95	98
Veterans Stadium	PHI	81	102	103	124	90	100	100	100	97	96	100	109	108	106	113	119	107	104	106	101	103	96	106
Yankee Stadium I	NYA	81	101	109	138	93	100	104	99	101	106	99	98	94	105	73	65	78	98	102	97	98	97	98
Arlington Stadium	TEX	82	100	110	109	112	101	96	104	101	95	105	94	91	97	119	124	120	99	95	105	107	115	103
Busch Stadium II	SLN	81	100	81	76	87	99	98	99	97	97	96	106	101	109	150	176	120	102	94	112	91	85	94
Cleveland Stadium	CLE	81	99	85	71	92	101	99	102	105	102	107	95	103	94	87	80	114	100	100	99	96	101	93
County Stadium	ML4	81	99	96	92	99	98	98	98	98	100	96	99	96	102	86	74	99	104	111	101	107	110	108
Jack Murphy Stadium	SDN	81	99	114	118	113	98	100	98	98	101	96	91	86	101	101	107	100	101	102	102	105	109	103
Kauffman Stadium	KCA	81	98	68	61	74	100	99	99	100	101	99	110	103	109	158	138	163	94	89	97	92	94	94
Shea Stadium	NYN	81	97	98	102	96	98	99	98	99	100	100	92	95	92	97	105	96	100	103	98	104	107	102
Comiskey Park I	CHA	80	96	79	65	89	98	97	100	100	101	99	96	89	103	139	137	144	103	101	106	98	100	97
Memorial Stadium	BAL	80	94	98	99	99	97	100	96	99	102	97	94	98	93	68	71	76	100	95	104	105	106	104
Angel Stadium of Anaheim	CAL	81	94	117	116	116	97	95	100	98	95	100	88	88	96	77	92	79	94	99	90	98	94	98
Stade Olympique	MON	81	94	90	87	91	98	99	98	98	99	98	107	105	104	97	89	102	98	91	99	103	105	105
Three Rivers Stadium	PIT	81	94	93	103	88	97	97	98	96	96	97	102	97	104	102	98	102	102	103	103	102	101	103
Astrodome	HOU	81	94	66	68	65	98	99	100	100	100	100	107	103	110	136	114	149	99	97	101	106	104	109
Candlestick Park	SFN	81	94	98	94	101	97	97	100	97	97	99	99	101	101	89	79	111	99	103	94	102	105	99
Dodger Stadium	LAN	81	92	93	90	97	98	97	99	104	101	105	80	86	81	73	85	84	99	102	97	103	105	102
Oakland-Alameda County Col...	OAK	81	90	89	78	95	95	96	96	99	99	99	86	89	88	76	89	70	99	98	100	103	103	105