Miami-area sports fans who are also DirecTV customers are having to scramble this weekend to catch football playoffs on Fox. That’s because Sunbeam Television, owner of Fox affiliate WSVN, pulled the plug on DirecTV at midnight Friday. It’s the latest showdown between providers over increases in carriage fees. Sunbeam yanked their station feeds to DirecTV when the satcaster balked at a 300% increase in fees for the right to carry local station signals. (And Time Warner Cable thought Madison Square Garden’s purported demand for a 56% increase was steep. That New York dispute is still unresolved.)