Ballpark Factors

Ballpark Factors: 1921 Major League

1921 American League 1921 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	Fenway Park	102.8	101.0	101.3	112.8	98.2	87.1	107.6
Chicago	Comiskey Park	94.9	100.0	98.4	99.5	90.2	86.2	89.3
Cleveland	League Park IV	104.0	102.4	103.0	111.2	107.2	91.6	96.1
Detroit	Tiger Stadium	96.0	98.0	98.8	100.6	104.3	99.7	97.8
New York	Polo Grounds V	100.4	100.3	100.3	89.5	104.5	115.8	105.6
Philadelphia	Connie Mack Stadium	107.8	102.9	103.5	103.8	91.7	122.2	98.2
St. Louis	Sportsman's Park III	102.4	99.3	99.6	94.7	106.4	104.2	103.2
Washington	Griffith Stadium	91.6	96.0	95.0	87.9	97.4	92.9	102.2

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	101.2	100.4	100.6	105.5	99.2	94.4	103.2
Chicago White Sox	97.8	100.0	99.3	99.8	95.8	94.1	95.4
Cleveland Indians	101.7	101.0	101.3	104.8	103.1	96.4	98.3
Detroit Tigers	98.3	99.1	99.5	100.3	101.8	99.9	99.1
New York Yankees	100.2	100.1	100.2	95.5	102.0	106.8	102.5
Philadelphia Athletics	103.3	101.2	101.5	101.5	96.5	109.5	99.3
St. Louis Browns	101.0	99.7	99.8	97.7	102.7	101.8	101.3
Washington Senators I	96.5	98.3	97.9	94.9	98.8	97.1	100.9

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	85.2	95.9	92.8	74.6	118.0	58.8	103.8
Brooklyn	Ebbetts Field	114.5	105.6	105.1	97.3	98.4	120.1	93.4
Chicago	Wrigley Field	112.5	104.9	106.0	126.6	76.5	116.5	94.7
Cincinnati	Crosley Field	99.4	100.5	99.1	87.4	141.1	57.2	86.3
New York	Polo Grounds V	98.6	97.1	99.8	95.7	108.5	128.4	99.3
Philadelphia	Baker Bowl	111.0	104.4	106.8	130.6	59.1	148.4	117.2
Pittsburgh	Forbes Field	98.2	97.9	98.9	98.5	133.7	72.3	101.0
St. Louis	Sportsman's Park III	80.4	93.8	91.4	89.1	65.8	95.7	104.4

Team	Runs	OBP	SLG	D	T	HR	DP
Average Ballpark Factors by Team
		Relative Factor (100=avg, higher is better for hitting)
Brooklyn Dodgers	106.2	102.4	102.2	98.5	99.5	108.5	97.1
Boston Braves	93.9	98.3	97.0	89.5	107.6	83.2	101.6
Chicago Cubs	105.3	102.1	102.5	111.3	90.1	106.8	97.8
Cincinnati Reds	99.7	100.2	99.6	94.6	117.5	81.6	94.2
New York Giants	99.7	98.8	100.1	98.6	103.5	113.2	99.6
Philadelphia Phillies	104.7	101.9	102.9	112.9	82.8	120.4	107.2
Pittsburgh Pirates	99.1	99.1	99.5	99.3	114.1	88.1	100.5
St. Louis Cardinals	91.5	97.3	96.3	95.3	85.0	98.1	101.9