1978 MLB Winning Percentage by Team
Every team's total, added up from its players' lines. Wins per decision
The New York Yankees led all of MLB in winning percentage in 1978, with .614, .007 ahead of the Boston Red Sox. The average across 26 MLB teams is .500.
Led all of MLB in 1978
New York Yankees
163 games
.614
Winning Percentage
.007 clear of Boston Red Sox
| # | Team | League | G | W-L% |
|---|---|---|---|---|
| 1 |
New York Yankees
|
AL | 163 | .614 |
| 2 |
 Boston Red Sox
|
AL | 163 | .607 |
| 3 |
 Los Angeles Dodgers
|
NL | 162 | .586 |
| 4 |
 Milwaukee Brewers
|
AL | 162 | .574 |
| 5 |
 Cincinnati Reds
|
NL | 161 | .571 |
| 6 |
 Kansas City Royals
|
AL | 162 | .568 |
| 7 |
 Baltimore Orioles
|
AL | 161 | .559 |
| 8 |
 Philadelphia Phillies
|
NL | 162 | .556 |
| 9 |
 San Francisco Giants
|
NL | 162 | .549 |
| 10 |
 Pittsburgh Pirates
|
NL | 161 | .547 |
| 11 |
 California Angels
|
AL | 162 | .537 |
| 11 |
 Texas Rangers
|
AL | 162 | .537 |
| 13 |
 Detroit Tigers
|
AL | 162 | .531 |
| 14 |
 San Diego Padres
|
NL | 162 | .519 |
| MLB average | .500 | |||
| 15 |
 Chicago Cubs
|
NL | 162 | .488 |
| 16 |
 Montreal Expos
|
NL | 162 | .469 |
| 17 |
 Houston Astros
|
NL | 162 | .457 |
| 18 |
 Minnesota Twins
|
AL | 162 | .451 |
| 19 |
 Chicago White Sox
|
AL | 161 | .441 |
| 20 |
 Cleveland Indians
|
AL | 159 | .434 |
| 21 |
 Atlanta Braves
|
NL | 162 | .426 |
| 21 |
 Oakland Athletics
|
AL | 162 | .426 |
| 21 |
 St. Louis Cardinals
|
NL | 162 | .426 |
| 24 |
 New York Mets
|
NL | 162 | .407 |
| 25 |
 Toronto Blue Jays
|
AL | 161 | .367 |
| 26 |
 Seattle Mariners
|
AL | 160 | .350 |
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.