Ballpark Factors

Ballpark Factors: 1981 Major League

1981 American League 1981 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	103.1	101.1	102.5	112.8	95.0	104.6	99.7
Arlington	Arlington Stadium	92.2	98.6	97.0	102.2	80.8	87.9	99.2
Baltimore	Memorial Stadium	98.8	99.2	99.4	94.2	84.3	107.5	102.9
Bloomington	Metropolitan Stadium	103.8	102.4	102.4	100.6	116.2	100.6	97.3
Boston	Fenway Park	109.2	106.4	107.2	115.5	106.1	105.7	118.4
Chicago	Comiskey Park	98.8	102.1	99.9	93.8	94.1	92.9	111.9
Cleveland	Municipal Stadium	97.6	99.2	97.6	92.6	97.7	92.3	90.3
Detroit	Tiger Stadium	102.1	99.3	100.9	98.1	100.6	112.1	103.1
Kansas City	Kauffman Stadium	93.1	97.0	96.0	101.3	119.0	81.3	92.6
Milwaukee	County Stadium	91.6	95.4	93.0	91.6	97.4	79.5	95.0
New York	Yankee Stadium	98.6	101.1	99.8	101.0	101.2	91.1	105.8
Oakland	Oakland Coliseum	97.4	95.7	97.2	88.1	99.4	111.9	89.9
Seattle	Kingdome	104.7	100.0	101.8	96.8	93.2	117.6	92.6
Toronto	Exhibition Stadium	107.0	102.0	104.2	111.4	116.4	108.3	102.6

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Baltimore Orioles	99.4	99.5	99.7	97.0	92.0	104.3	101.5
Boston Red Sox	103.7	102.6	102.9	106.5	102.3	102.0	107.6
California Angels	101.6	100.4	101.2	105.3	97.4	103.2	99.4
Chicago White Sox	100.0	101.1	100.3	97.9	96.9	98.2	105.8
Cleveland Indians	99.4	100.0	99.3	97.2	98.8	96.8	96.0
Detroit Tigers	100.8	99.6	100.3	98.9	99.7	105.2	101.5
Kansas City Royals	97.3	98.8	98.4	100.5	108.1	92.4	96.5
Milwaukee Brewers	96.9	98.2	97.3	97.1	100.5	91.5	97.8
Minnesota Twins	101.3	101.0	100.9	100.4	108.7	98.9	98.8
New York Yankees	99.0	100.3	99.7	99.8	100.3	95.6	102.6
Oakland Athletics	99.2	98.3	99.0	94.8	100.3	105.7	95.9
Seattle Mariners	102.3	100.2	101.0	98.9	97.4	108.1	96.3
Texas Rangers	96.0	99.2	98.4	100.9	90.9	93.5	99.4
Toronto Blue Jays	102.8	100.7	101.6	104.7	106.6	103.9	100.8

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	99.0	100.1	102.4	90.8	96.2	133.2	113.6
Chicago	Wrigley Field	111.4	100.2	104.3	96.6	104.1	142.0	105.4
Cincinnati	Riverfront Stadium	107.2	103.0	105.1	115.3	132.2	99.9	101.2
Houston	Astrodome	81.2	93.9	90.2	85.9	88.4	67.8	115.5
Los Angeles	Dodger Stadium	93.5	99.1	97.9	78.5	87.8	112.1	95.3
Montreal	Olympic Stadium	96.6	102.1	100.2	110.9	99.1	76.1	102.7
New York	Shea Stadium	98.5	99.5	98.3	102.8	76.1	94.3	105.7
Philadelphia	Veterans Stadium	119.2	104.4	108.1	110.8	142.8	119.3	86.5
Pittsburgh	Three Rivers Stadium	100.6	98.7	98.0	91.5	80.4	106.0	98.5
San Diego	Jack Murphy Stadium	94.1	99.5	97.9	111.5	77.4	81.0	88.2
San Francisco	Candlestick Park	96.2	104.0	99.0	105.3	81.7	62.8	96.8
St. Louis	Busch Stadium II	100.5	95.0	97.6	98.5	130.8	103.0	92.6

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Atlanta Braves	98.2	100.0	100.6	95.8	96.4	111.1	105.4
Chicago Cubs	106.3	100.1	102.2	98.3	102.8	121.7	102.3
Cincinnati Reds	102.3	101.3	102.0	105.9	112.8	99.4	100.8
Houston Astros	91.8	97.7	95.9	94.7	94.3	84.7	106.0
Los Angeles Dodgers	96.6	99.5	98.9	89.9	94.9	105.1	98.2
Montreal Expos	99.3	101.0	100.4	105.7	101.3	90.3	101.2
New York Mets	99.7	99.6	99.3	101.1	90.3	98.7	103.1
Philadelphia Phillies	109.3	102.0	103.9	104.8	119.0	110.6	94.4
Pittsburgh Pirates	101.1	99.5	99.4	96.7	92.3	103.8	99.1
San Diego Padres	96.7	99.7	98.8	104.7	88.9	90.4	94.7
San Francisco Giants	98.2	101.8	99.6	102.2	92.1	83.9	98.9
St. Louis Cardinals	101.0	97.8	99.2	100.1	116.0	101.8	95.8