The NEW YORK YANKEES!!
Bitth
The Yankees have won the most championships in sports. They have won 27 World Series. The Lakers have won 16 NBA championships.
Bill Russell
Lakers
The New York Yankees have the most championships in any sports history. They have a total of 26 championships and have appeared in the championship 39 times.
As far as I know the Boston Celtics with 8 consecutive nba championships as well as 11 nba championships within same 13 year period.
The pro sports team that has won the most championships are the Boston Celtics. They won eight consecutive championships from 1959 to 1966.
The Boston Celtics' streak of 8 consecutive NBA championships is the longest streak of consecutive championships in U.S. professional sports history
UCLA
Dr. Jerry Buss owned the Los Angeles Lakers from 1979-2013 and has won 10 championships.
The New York Yankees won the most World Series in the history of sports! The New York Yankees won the most World Series in the history of sports!