Ballpark Factors

Ballpark Factors: 1931 Major League

1931 American League 1931 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)
Boston	Braves Field	102.0	101.2	101.2	107.2	93.6	96.9	109.3
Boston	Fenway Park	94.9	97.8	98.2	104.9	91.0	97.7	100.0
Chicago	Comiskey Park	94.2	98.0	97.7	94.0	97.4	100.6	97.7
Cleveland	League Park IV	106.5	102.5	102.8	111.2	94.4	99.5	102.0
Detroit	Tiger Stadium	103.5	103.3	102.9	101.1	102.4	102.4	96.4
New York	Yankee Stadium	95.9	95.9	96.8	91.2	108.5	105.5	101.3
Philadelphia	Connie Mack Stadium	101.3	100.2	100.3	98.9	94.3	107.9	108.2
St. Louis	Sportsman's Park III	101.4	100.7	100.7	101.2	100.1	100.5	99.9
Washington	Griffith Stadium	101.3	101.2	100.1	97.0	111.3	86.7	93.0

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Boston Red Sox	98.2	99.3	99.4	102.3	96.3	98.8	100.7
Chicago White Sox	97.6	99.2	99.1	97.6	98.8	100.3	99.1
Cleveland Indians	102.6	101.0	101.1	104.7	97.5	99.8	100.8
Detroit Tigers	101.5	101.4	101.3	100.5	101.0	101.1	98.5
New York Yankees	98.3	98.3	98.7	96.2	103.7	102.3	100.6
Philadelphia Athletics	100.7	100.2	100.2	99.6	97.7	103.2	103.6
St. Louis Browns	100.5	100.3	100.3	100.5	100.0	100.3	99.9
Washington Senators I	100.5	100.5	100.0	98.7	104.9	94.2	96.8

National League

City	Ballpark	Runs	OBP	SLG	D	T	HR	DP
Ballpark Factors by Ballpark
		Relative Factor (100=avg, higher is better for hitting)
Boston	Braves Field	101.2	101.3	98.6	92.4	92.0	85.1	112.9
Brooklyn	Ebbetts Field	101.1	99.0	100.3	98.7	104.4	114.2	96.0
Chicago	Wrigley Field	94.7	101.3	99.7	101.8	90.1	86.2	98.4
Cincinnati	Crosley Field	94.4	97.2	96.2	97.7	127.2	55.8	94.4
New York	Polo Grounds V	86.1	94.5	95.0	70.7	77.6	156.0	97.3
Philadelphia	Baker Bowl	116.0	105.1	105.6	117.7	60.5	127.9	88.3
Pittsburgh	Forbes Field	98.9	98.6	99.7	98.7	128.0	90.5	106.6
St. Louis	Sportsman's Park III	107.7	103.0	105.0	122.9	119.7	84.8	105.6

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Brooklyn Dodgers	100.5	99.6	100.2	99.5	101.8	106.1	98.3
Boston Braves	100.6	100.6	99.4	96.8	96.5	93.7	105.5
Chicago Cubs	97.8	100.6	99.9	100.7	95.9	94.0	99.4
Cincinnati Reds	97.6	98.8	98.4	99.0	111.6	81.1	97.6
New York Giants	93.9	97.6	97.8	87.2	90.1	124.3	98.8
Philadelphia Phillies	106.7	102.1	102.3	107.4	83.4	112.0	95.1
Pittsburgh Pirates	99.6	99.4	99.9	99.5	112.1	95.9	102.8
St. Louis Cardinals	103.3	101.3	102.1	109.9	108.8	93.2	102.5