1920 MLB Winning Percentage by Team
Every team's total, added up from its players' lines. Wins per decision
The Chicago American Giants led all of MLB in winning percentage in 1920, with .719, .083 ahead of the Cleveland Indians. The average across 24 MLB teams is .492.
Led all of MLB in 1920
Chicago American Giants
62 games
.719
Winning Percentage
.083 clear of Cleveland Indians
| # | Team | League | G | W-L% |
|---|---|---|---|---|
| 1 | Chicago American Giants | NNL | 62 | .719 |
| 2 |
 Cleveland Indians
|
AL | 154 | .636 |
| 3 |
 Chicago White Sox
|
AL | 154 | .623 |
| 4 |
 New York Yankees
|
AL | 154 | .617 |
| 5 |
 Brooklyn Robins
|
NL | 155 | .604 |
| 6 | Detroit Stars | NNL | 63 | .593 |
| 7 |
 New York Giants
|
NL | 155 | .558 |
| 8 | Kansas City Monarchs | NNL | 79 | .557 |
| 9 |
 Cincinnati Reds
|
NL | 154 | .536 |
| 10 |
 Pittsburgh Pirates
|
NL | 155 | .513 |
| 11 |
 St. Louis Browns
|
AL | 154 | .497 |
| MLB average | .492 | |||
| 12 |
 Chicago Cubs
|
NL | 154 | .487 |
| 12 |
 St. Louis Cardinals
|
NL | 155 | .487 |
| 14 | Indianapolis ABCs | NNL | 85 | .473 |
| 15 |
 Boston Red Sox
|
AL | 154 | .471 |
| 15 | Cuban Stars West | NNL | 69 | .471 |
| 17 | St. Louis Giants | NNL | 72 | .467 |
| 18 |
 Washington Senators
|
AL | 153 | .447 |
| 19 |
 Boston Braves
|
NL | 153 | .408 |
| 20 |
 Philadelphia Phillies
|
NL | 153 | .405 |
| 21 |
 Detroit Tigers
|
AL | 155 | .396 |
| 22 | Dayton Marcos | NNL | 54 | .382 |
| 23 |
 Philadelphia Athletics
|
AL | 156 | .312 |
| 24 | Chicago Giants | NNL | 36 | .147 |
A team's total is its players' numbers for the club added up, so a player traded mid-season counts for each team only what he did there. Rates such as ERA and batting average are worked out from the team's summed totals, not averaged across players.