4) Chicago Cubs (Value: $1.2 billion)

The Chicago Cubs are in talks with Fox about a deal that could lay the groundwork for a second regional sports network in Chicago. The team’s 2013 revenue was $266 million and the operating income was $27.3 million.

3) Boston Red Sox (Value: $1.5 billion)

In 2013, the Red Sox captured their third World Series since 2004. This resulted in 14 percent increase in team’s local television rating to 7.3 on the New England Sports Network. The team’s revenue was $357 million and operating income was $25.3 million.