World's 10 most valuable sports teams for 2013

4. New York Yankees

Value: $2.3 billionOwner: Steinbrenner Family

Having won 18 division titles, 40 AL pennants and 27 World Series championships, the Yankees have been one of the most successful franchises in professional sports history. After Fox purchased 49% of the regional sport network, the Yanks sold part of their interest in the YES Network and as a part of the deal, their rights fee will increase from $85 million to $350 million in 2042.