1903 MLB Winning Percentage by Team
Every team's total, added up from its players' lines. Wins per decision
The Boston Americans led all of MLB in winning percentage in 1903, with .659, .009 ahead of the Pittsburgh Pirates. The average across 16 MLB teams is .500.
Led all of MLB in 1903
Boston Americans
141 games
.659
Winning Percentage
.009 clear of Pittsburgh Pirates
| # | Team | League | G | W-L% |
|---|---|---|---|---|
| 1 |
Boston Americans
|
AL | 141 | .659 |
| 2 |
 Pittsburgh Pirates
|
NL | 141 | .650 |
| 3 |
 New York Giants
|
NL | 142 | .604 |
| 4 |
 Chicago Cubs
|
NL | 139 | .594 |
| 5 |
 Philadelphia Athletics
|
AL | 137 | .556 |
| 6 |
 Cleveland Naps
|
AL | 140 | .550 |
| 7 |
 New York Highlanders
|
AL | 136 | .537 |
| 8 |
 Cincinnati Reds
|
NL | 141 | .532 |
| 9 |
 Brooklyn Superbas
|
NL | 139 | .515 |
| MLB average | .500 | |||
| 10 |
 Detroit Tigers
|
AL | 137 | .478 |
| 11 |
 St. Louis Browns
|
AL | 139 | .468 |
| 12 |
 Chicago White Sox
|
AL | 138 | .438 |
| 13 |
 Boston Beaneaters
|
NL | 140 | .420 |
| 14 |
 Philadelphia Phillies
|
NL | 139 | .363 |
| 15 |
 St. Louis Cardinals
|
NL | 139 | .314 |
| 15 |
 Washington Senators
|
AL | 140 | .314 |
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.