1991 American League

1991 American League^*
Traditional Statistics and Splits (Retrosheet)

1991 National League 1991 Major Leagues

1991 American League Leaders and Trailers
1991 Postseason
1991 Season as Seen Through the Prism of Player Won-Lost Records

Positional Average (Weighted Avg of Options): 0.500 (1-Year) (9-Year) (Long-Run) "

Positional Averages for Pitchers (Wgted Avg of Options): 0.500 "vs. Different Values for Starting vs. Relief Pitchers: (Empirical) (Based on Pitchers who Do Both)


Basic Player Won-Lost Records by Team (Sorted by pWOPA)
Team	Games	Wins	Losses	pWins	pLosses	pWOPA
Minnesota Twins	162.0	95.0	67.0	257.0	229.0	27.5
Toronto Blue Jays	162.0	91.0	71.0	253.0	233.0	19.5
Chicago White Sox	162.0	87.0	75.0	249.0	237.0	11.8
Texas Rangers	162.0	85.0	77.0	247.0	239.0	7.4
Detroit Tigers	162.0	84.0	78.0	246.0	240.0	5.7
Oakland Athletics	162.0	84.0	78.0	246.0	240.0	5.2
Boston Red Sox	162.0	84.0	78.0	246.0	240.0	5.1
Seattle Mariners	162.0	83.0	79.0	245.0	241.0	3.5
Milwaukee Brewers	162.0	83.0	79.0	245.0	241.0	2.9
Kansas City Royals	162.0	82.0	80.0	244.0	242.0	1.4
California Angels	162.0	81.0	81.0	243.0	243.0	-1.1
New York Yankees	162.0	71.0	91.0	233.0	253.0	-21.0
Baltimore Orioles	162.0	67.0	95.0	229.0	257.0	-28.8
Cleveland Indians	162.0	57.0	105.0	219.0	267.0	-48.6

Ties count as 0.5 win and 0.5 loss. Teams in bold made the postseason. pWins equal team wins plus team games; pLosses equal team losses plus team games.


Expected Won-Lost Records by Team (Sorted by eWORL)
Team	eWins	eLosses	eWOPA	eWORL
Toronto Blue Jays	249.8	236.2	13.6	41.4
Minnesota Twins	249.4	236.6	12.5	40.1
Chicago White Sox	246.5	239.5	6.9	34.7
Detroit Tigers	245.5	240.5	5.0	32.7
Texas Rangers	245.6	240.4	4.7	32.6
Boston Red Sox	245.4	240.6	4.1	31.9
Kansas City Royals	245.0	241.0	3.8	31.5
Milwaukee Brewers	242.7	243.3	-1.5	26.2
Seattle Mariners	242.4	243.6	-1.7	26.2
California Angels	242.3	243.7	-2.2	25.3
Oakland Athletics	241.3	244.7	-2.9	25.2
Baltimore Orioles	241.2	244.8	-3.8	23.9
New York Yankees	239.5	246.5	-7.8	19.9
Cleveland Indians	235.2	250.8	-16.2	11.3


Batting Records by Team (Sorted by Net Batting Wins)
Team	eWins	eLosses	eWin Pct.	Net eWins
Texas Rangers	115.7	106.1	0.522	9.6
Detroit Tigers	115.4	107.3	0.518	8.1
Minnesota Twins	119.0	112.4	0.514	6.6
Oakland Athletics	110.3	104.7	0.513	5.6
Boston Red Sox	113.9	111.9	0.504	2.0
Chicago White Sox	117.0	115.2	0.504	1.8
Milwaukee Brewers	114.0	112.8	0.503	1.2
Baltimore Orioles	113.5	112.7	0.502	0.8
New York Yankees	110.6	112.6	0.496	-2.0
Kansas City Royals	110.3	112.6	0.495	-2.3
California Angels	108.8	111.6	0.494	-2.8
Toronto Blue Jays	108.9	111.9	0.493	-3.1
Seattle Mariners	108.0	112.3	0.490	-4.3
Cleveland Indians	103.2	115.2	0.472	-12.0


Baserunning Records by Team (Sorted by Net Baserunning Wins)
Team	eWins	eLosses	eWin Pct.	Net eWins
Detroit Tigers	9.2	8.1	0.533	1.1
Oakland Athletics	10.5	9.6	0.525	1.0
Seattle Mariners	10.0	9.2	0.521	0.8
Minnesota Twins	11.3	10.6	0.515	0.7
New York Yankees	10.1	9.4	0.516	0.6
Texas Rangers	9.3	8.7	0.516	0.6
Boston Red Sox	9.2	9.4	0.496	-0.1
Kansas City Royals	9.9	10.1	0.494	-0.3
Toronto Blue Jays	9.7	10.1	0.489	-0.4
Chicago White Sox	10.7	11.1	0.490	-0.4
Baltimore Orioles	7.5	8.0	0.485	-0.5
Milwaukee Brewers	9.7	10.2	0.487	-0.5
California Angels	10.4	10.9	0.488	-0.5
Cleveland Indians	9.6	11.3	0.460	-1.7


Pitching Records by Team (Sorted by Net Pitching Wins)
Team	eWins	eLosses	eWin Pct.	Net eWins
Toronto Blue Jays	85.9	72.8	0.541	13.0
Kansas City Royals	81.8	72.7	0.529	9.1
Minnesota Twins	76.2	72.5	0.513	3.8
California Angels	80.8	78.1	0.509	2.7
Boston Red Sox	78.9	77.4	0.505	1.5
Seattle Mariners	80.8	79.3	0.505	1.4
Chicago White Sox	76.3	75.4	0.503	0.9
Cleveland Indians	76.5	76.2	0.501	0.2
Milwaukee Brewers	76.3	76.2	0.500	0.1
Texas Rangers	78.7	80.0	0.496	-1.3
New York Yankees	76.5	78.2	0.495	-1.6
Baltimore Orioles	75.4	79.2	0.488	-3.8
Detroit Tigers	74.6	79.9	0.483	-5.3
Oakland Athletics	78.0	87.1	0.472	-9.1


Fielding Records by Team (Sorted by Net Fielding Wins)
Team	eWins	eLosses	eWin Pct.	Net eWins
Chicago White Sox	42.3	38.0	0.527	4.3
Toronto Blue Jays	44.5	42.2	0.513	2.2
Oakland Athletics	43.7	42.2	0.509	1.6
Baltimore Orioles	45.6	44.2	0.508	1.4
Detroit Tigers	46.4	45.1	0.507	1.3
Seattle Mariners	43.8	42.6	0.507	1.2
Boston Red Sox	43.2	42.0	0.507	1.2
Minnesota Twins	42.3	41.7	0.504	0.6
California Angels	42.5	42.9	0.498	-0.4
Cleveland Indians	46.2	47.7	0.492	-1.5
Milwaukee Brewers	42.6	44.2	0.491	-1.6
New York Yankees	43.0	45.5	0.486	-2.5
Kansas City Royals	42.5	46.0	0.480	-3.5
Texas Rangers	41.6	45.9	0.475	-4.3

Player Won-Lost Records (all players)

Underlying Calculations related to 1991 American League

Ballpark Factors
Net Win Values
Positional Averages
Replacement Levels
Division of Shared Credit
Event Probabilities

^*Player won-loss records are calculated using Retrosheet play-by-play data. For some seasons, Retrosheet does not have full play-by-play data for all games. In these cases, some games may be missing.
The number of Games shown here are the number of games for which Retrosheet play-by-play data exist and were used in these calculations.

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