| First Season | Team | Win Percentage | % Correct |
|---|---|---|---|
| 1903 | New York Yankees | .569 | 100%
|
| 1884 | Los Angeles Dodgers | .532 | 88%
|
| 1883 | San Francisco Giants | .535 | 88%
|
| 1876 | Chicago Cubs | .513 | 81%
|
| 1962 | Houston Astros | .503 | 81%
|
| 1882 | St. Louis Cardinals | .520 | 81%
|
| 1901 | Boston Red Sox | .518 | 75%
|
| 1993 | Colorado Rockies | .458 | 69%
|
| 1901 | Detroit Tigers | .503 | 69%
|
| 1882 | Cincinnati Reds | .504 | 63%
|
| 1962 | New York Mets | .484 | 63%
|
| 1882 | Pittsburgh Pirates | .500 | 63%
|
| 1998 | Tampa Bay Rays | .490 | 63%
|
| 1998 | Arizona Diamondbacks | .488 | 56%
|
| 1876 | Atlanta Braves | .503 | 56%
|
| 1901 | Chicago White Sox | .499 | 56%
|
| 1901 | Cleveland Guardians | .513 | 56%
|
| 1993 | Miami Marlins | .460 | 56%
|
| 1969 | Milwaukee Brewers | .489 | 56%
|
| 1883 | Philadelphia Phillies | .474 | 56%
|
| 1961 | Texas Rangers | .476 | 56%
|
| 1977 | Toronto Blue Jays | .499 | 56%
|
| 1969 | Washington Nationals | .497 | 56%
|
| 1969 | Kansas City Royals | .477 | 50%
|
| 1901 | Minnesota Twins | .482 | 50%
|
| 1969 | San Diego Padres | .467 | 50%
|
| 1977 | Seattle Mariners | .477 | 50%
|
| 1901 | Athletics | .486 | 44%
|
| 1901 | Baltimore Orioles | .475 | 44%
|
| 1961 | Los Angeles Angels | .495 | 44%
|