According to the report, recent lucrative TV deals are the driving force behind the escalating net worth of professional sports teams. No. 1 is Spanish soccer club Real Madrid ($3.26 billion), with the Dallas Cowboys and New York Yankees a close second and third.
The Celtics check in at No. 20 overall. Also in the top 20 are the New England Patriots (No. 6, $2.6 billion) and Boston Red Sox (No. 12, $2.1 billion).