Ballpark Factors

Ballpark Factors: 1991 Major League

1991 American League 1991 National League

American League

City	Ballpark	Runs	OBP	SLG	D	T	HR	DP
Ballpark Factors by Ballpark
		Relative Factor (100=avg, higher is better for hitting)
Anaheim	Angel Stadium	88.2	93.8	94.1	88.9	90.1	99.9	103.1
Arlington	Arlington Stadium	98.8	99.5	100.2	99.0	110.7	102.5	111.1
Baltimore	Memorial Stadium	100.7	99.5	99.5	95.8	95.3	102.7	102.0
Boston	Fenway Park	103.0	104.2	104.9	112.0	96.7	105.1	103.0
Chicago	U.S. Cellular Field	101.5	101.4	102.3	103.8	97.6	106.6	102.5
Cleveland	Municipal Stadium	97.0	100.8	97.7	93.8	106.1	83.7	96.0
Detroit	Tiger Stadium	104.5	102.1	101.0	92.7	86.1	104.1	96.5
Kansas City	Kauffman Stadium	98.9	99.5	98.5	102.5	115.2	87.7	103.5
Milwaukee	County Stadium	101.6	101.3	100.8	104.7	91.4	97.4	108.2
Minneapolis	Metrodome	103.3	103.3	102.5	102.7	115.5	96.0	100.2
New York	Yankee Stadium	99.4	97.7	99.2	97.7	88.1	109.8	94.6
Oakland	Oakland Coliseum	93.0	95.5	95.4	96.4	93.9	94.3	95.6
Seattle	Kingdome	100.8	97.3	98.8	99.2	111.1	103.5	85.1
Toronto	Skydome	109.3	104.2	105.2	110.9	102.2	106.8	98.8

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Baltimore Orioles	100.4	99.8	99.8	98.1	97.6	101.4	100.9
Boston Red Sox	101.4	102.0	102.3	105.6	98.3	102.4	101.4
California Angels	94.5	97.1	97.3	94.9	95.7	99.9	101.4
Chicago White Sox	100.6	100.6	101.0	101.7	98.9	103.1	101.2
Cleveland Indians	98.7	100.4	99.0	97.1	102.7	92.4	98.1
Detroit Tigers	102.2	101.0	100.5	96.8	93.5	101.9	98.5
Kansas City Royals	99.5	99.7	99.3	101.2	107.1	94.4	101.5
Milwaukee Brewers	100.7	100.6	100.4	102.1	96.1	98.7	103.7
Minnesota Twins	101.5	101.5	101.2	101.3	107.3	98.1	100.2
New York Yankees	99.7	99.0	99.6	98.9	94.4	104.5	97.5
Oakland Athletics	96.7	97.9	97.8	98.3	97.3	97.4	97.9
Seattle Mariners	100.4	98.8	99.5	99.7	105.3	101.7	93.2
Texas Rangers	99.3	99.7	100.0	99.5	104.9	101.0	105.2
Toronto Blue Jays	104.3	101.9	102.4	105.0	100.9	103.1	99.4

National League

City	Ballpark	Runs	OBP	SLG	D	T	HR	DP
Ballpark Factors by Ballpark
		Relative Factor (100=avg, higher is better for hitting)
Atlanta	Fulton County Stadium	118.4	107.3	108.5	102.5	99.3	122.4	114.8
Chicago	Wrigley Field	107.0	100.3	103.5	101.5	74.7	129.4	100.2
Cincinnati	Riverfront Stadium	113.4	104.3	109.8	109.8	104.0	142.0	95.0
Houston	Astrodome	91.0	96.6	93.8	106.9	129.1	60.0	91.1
Los Angeles	Dodger Stadium	103.6	101.3	98.2	84.3	66.0	99.5	84.6
Montreal	Olympic Stadium	84.2	95.9	94.5	99.1	104.9	80.5	107.0
New York	Shea Stadium	105.6	103.5	102.5	98.0	113.9	97.6	84.3
Philadelphia	Veterans Stadium	103.7	102.6	101.6	101.9	98.2	96.4	105.1
Pittsburgh	Three Rivers Stadium	91.8	96.5	96.4	99.7	107.3	90.6	117.3
San Diego	Jack Murphy Stadium	100.1	100.0	100.3	98.9	74.8	108.9	99.7
San Francisco	Candlestick Park	88.9	94.2	95.8	102.2	104.8	97.6	108.7
St. Louis	Busch Stadium II	90.2	96.9	94.3	95.1	123.1	72.6	93.1

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Atlanta Braves	108.4	103.3	103.9	101.2	99.3	110.4	106.5
Chicago Cubs	103.1	100.1	101.5	100.7	88.5	113.3	100.2
Cincinnati Reds	106.2	102.0	104.5	104.4	101.4	119.1	97.7
Houston Astros	96.2	98.5	97.3	103.1	112.6	82.7	95.9
Los Angeles Dodgers	101.8	100.6	99.3	93.1	84.5	100.3	93.1
Montreal Expos	93.7	98.4	97.7	99.5	102.6	91.8	102.8
New York Mets	102.3	101.5	101.1	99.0	106.7	98.5	93.0
Philadelphia Phillies	101.5	101.1	100.6	100.8	99.5	97.9	102.4
Pittsburgh Pirates	96.1	98.4	98.3	99.8	103.7	95.3	108.0
San Diego Padres	100.2	100.1	100.2	99.6	88.4	104.4	99.8
San Francisco Giants	95.3	97.5	98.2	101.1	101.7	99.4	103.8
St. Louis Cardinals	95.3	98.5	97.3	97.7	111.0	87.0	96.8