The pro sports team that has won the most championships are the Boston Celtics. They won eight consecutive championships from 1959 to 1966.
the soccerroos
Wow, what sport? What country? What league? Does it count if the team moved cities like the Oilers to the Titans? Be specific
Montreal Canadiens
The Montreal Canadiens in the National Hockey League have 25 championships to lead all professional sports teams.
The New York Yankees with 26.
houston astros
The Green Bay Packers have won 13 NFL championships ... 4 Super Bowls and 9 championships prior to the beginning of the Super Bowl. The Toronto Argonauts have 11 championships. That is the most for professional football. They are third over all in championships for any sport behind the No 1 New York Yankees, and the second place Montreal Canadians.
Mets
Boston Celtics with 17.
UCLA has won the most consecutive NCAA Division I Men's basketball championships, but Kenyon Univ has the most consecutive championships in any sport with 30 in DIII Swimming and Diving. Hobart College has the most consecutive team championships in any sport with 12 in D III Lacrosse.
It definatly has to be the New York Yankees because it has won the most championships in the history of professional sports and baseball is Americas pastime so this team has been celebrated in past and present.
Id have to say the New York Yankees with 22