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Ballpark Factors: 1981 Major League

1981 American League  1981 National League  



American League
Ballpark Factors by Ballpark
Relative Factor (100=avg, higher is better for hitting)
City Ballpark Runs OBP SLG D T HR DP
AnaheimAngel Stadium103.1101.1102.5112.895.0104.699.7
ArlingtonArlington Stadium92.298.697.0102.280.887.999.2
BaltimoreMemorial Stadium98.899.299.494.284.3107.5102.9
BloomingtonMetropolitan Stadium103.8102.4102.4100.6116.2100.697.3
BostonFenway Park109.2106.4107.2115.5106.1105.7118.4
ChicagoComiskey Park98.8102.199.993.894.192.9111.9
ClevelandMunicipal Stadium97.699.297.692.697.792.390.3
DetroitTiger Stadium102.199.3100.998.1100.6112.1103.1
Kansas CityKauffman Stadium93.197.096.0101.3119.081.392.6
MilwaukeeCounty Stadium91.695.493.091.697.479.595.0
New YorkYankee Stadium98.6101.199.8101.0101.291.1105.8
OaklandOakland Coliseum97.495.797.288.199.4111.989.9
SeattleKingdome104.7100.0101.896.893.2117.692.6
TorontoExhibition Stadium107.0102.0104.2111.4116.4108.3102.6


Average Ballpark Factors by Team
Relative Factor (100=avg, higher is better for hitting)
Team Runs OBP SLG D T HR DP
Baltimore Orioles99.499.599.797.092.0104.3101.5
Boston Red Sox103.7102.6102.9106.5102.3102.0107.6
California Angels101.6100.4101.2105.397.4103.299.4
Chicago White Sox100.0101.1100.397.996.998.2105.8
Cleveland Indians99.4100.099.397.298.896.896.0
Detroit Tigers100.899.6100.398.999.7105.2101.5
Kansas City Royals97.398.898.4100.5108.192.496.5
Milwaukee Brewers96.998.297.397.1100.591.597.8
Minnesota Twins101.3101.0100.9100.4108.798.998.8
New York Yankees99.0100.399.799.8100.395.6102.6
Oakland Athletics99.298.399.094.8100.3105.795.9
Seattle Mariners102.3100.2101.098.997.4108.196.3
Texas Rangers96.099.298.4100.990.993.599.4
Toronto Blue Jays102.8100.7101.6104.7106.6103.9100.8


National League
Ballpark Factors by Ballpark
Relative Factor (100=avg, higher is better for hitting)
City Ballpark Runs OBP SLG D T HR DP
AtlantaFulton County Stadium99.0100.1102.490.896.2133.2113.6
ChicagoWrigley Field111.4100.2104.396.6104.1142.0105.4
CincinnatiRiverfront Stadium107.2103.0105.1115.3132.299.9101.2
HoustonAstrodome81.293.990.285.988.467.8115.5
Los AngelesDodger Stadium93.599.197.978.587.8112.195.3
MontrealOlympic Stadium96.6102.1100.2110.999.176.1102.7
New YorkShea Stadium98.599.598.3102.876.194.3105.7
PhiladelphiaVeterans Stadium119.2104.4108.1110.8142.8119.386.5
PittsburghThree Rivers Stadium100.698.798.091.580.4106.098.5
San DiegoJack Murphy Stadium94.199.597.9111.577.481.088.2
San FranciscoCandlestick Park96.2104.099.0105.381.762.896.8
St. LouisBusch Stadium II100.595.097.698.5130.8103.092.6


Average Ballpark Factors by Team
Relative Factor (100=avg, higher is better for hitting)
Team Runs OBP SLG D T HR DP
Atlanta Braves98.2100.0100.695.896.4111.1105.4
Chicago Cubs106.3100.1102.298.3102.8121.7102.3
Cincinnati Reds102.3101.3102.0105.9112.899.4100.8
Houston Astros91.897.795.994.794.384.7106.0
Los Angeles Dodgers96.699.598.989.994.9105.198.2
Montreal Expos99.3101.0100.4105.7101.390.3101.2
New York Mets99.799.699.3101.190.398.7103.1
Philadelphia Phillies109.3102.0103.9104.8119.0110.694.4
Pittsburgh Pirates101.199.599.496.792.3103.899.1
San Diego Padres96.799.798.8104.788.990.494.7
San Francisco Giants98.2101.899.6102.292.183.998.9
St. Louis Cardinals101.097.899.2100.1116.0101.895.8


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