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.
Dr. Jerry Buss owned the Los Angeles Lakers from 1979-2013 and has won 10 championships.
The pro sports team that has won the most championships are the Boston Celtics. They won eight consecutive championships from 1959 to 1966.
The Yankees have won the most championships in sports. They have won 27 World Series. The Lakers have won 16 NBA championships.
UCLA they have 101 national championships in all sports. (11 in basketball)
The Bruins have won 111 NCAA team championships, the most of any program.
The NEW YORK YANKEES!!
UCLA with 100