reported value of Miguel Cabrera's new 8 year contract with the Tigers: $152.3 million
Projected value of Cabrera over the next 8 years, per The Baseball Economist: $268 million. Bradbury calls it an amazing deal for the Tigers, because baseball salaries have been growing at an annual rate of about 10% for an extended period of time.
value of the Florida Marlins franchise, per Forbes magazine: $244 million. In fairness that estimate predates the agreement to build the new stadium.