The new Rays stadium would be fully enclosed with a translucent, but not retractable roof. The new Rays stadium would be fully enclosed with a translucent, but not retractable roof.

TAMPA, FL—Chief officials of the Tampa Bay Rays and architectural firm Populous unveiled plans on Tuesday for a new ‘next generation” ballpark in Ybor City that if built would be the smallest in baseball and would have a development cost of nearly $900 million.