How often do teams open their retractable roofs?
Roof Opening at Miami Marlins Park
Rain mars Marlins' opening day as roof stays open - Craigslegz Travels
Roof Opening at Miami Marlins Park
Miami Marlins officials expect 30,000-plus for home opener and
Guide To Marlins Park - CBS Miami
The underrated view from Marlins Park : r/baseball
Retractable-roof ballpark puts Canadian firm at bat - The Globe
LoanDepot Park – Miami, Florida – Uni-Systems Engineering