Sports fans were briefly delighted by news of ESPN’s new OTT video service being priced at just $4.99 a month, until details hit home that a cable subscription will be required and ESPN Plus will not include live streaming of main channels ESPN and ESPN2. Due to launch this Spring, Disney’s long-awaited app is therefore a TV Everywhere offering, merging its ESPN and WatchESPN apps, not quite the game-changing standalone sports subscription service everyone expected. Considering ESPN charges cable companies around $5 a month per subscriber to carry its channels, and cable TV subscribers are declining, there is method in the madness – seeking additional subscription fees direct from consumers, while providing an incentive against cord cutting. A monthly fee…