Boston won all but six games, finishing with a 38-5-1 record, the best winning percentage for any team in a season.

His career record is 644-247, and he has the highest winning percentage (.723) of any coach with at least 400 games.

From 1924-1932, the team having the best winning percentage was awarded the championship.

In the last 17 meetings, the team with the lower winning percentage has won eight times and tied once.

His November mark of 9-2 is the best winning percentage since the 1966 season for any coach with at least 10 games.

The 1916 A's had the worst winning percentage of any major league baseball team in the 20th century.

He left with the highest winning percentage in school history.

He's earned it, too, having won 18 games and lost only 4 last season for the best winning percentage in baseball.

This record gives her the best winning percentage in the history of the league, for any women's basketball coach.

The 1938 season was the highest winning percentage (.650) between 1927 and 1971.