Miami Marlins are worth $520 million -- up from $450 million last year and $360 million in 2011.
Current Value: $520 mill.
Revenue 2012: $195 mill.
Operating Income 2012: -$7.1 mill.
The Marlins' first year in their new stadium was a disaster as they posted a 69-93 record (last in the NL East) and attendance averaged 27,400 per home game, 18th in baseball...