Expanded replay: How it'll work

— -- PARADISE VALLEY, Ariz. -- Gentlemen, start your replay machines.

And holy stromboli, it's about time.

A mere 28 years after the NFL first went to the videotape, baseball is finally ready to start using that newfangled replay technology to do revolutionary stuff like:

• Decide if the winning run really did just score or not.

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• Figure out whether Armando Galarraga (or somebody like him) really did just throw a perfect game.

• Get the future Don Denkingers of the world off the hook if, by chance, they happen to miss a momentous call at first base in the ninth inning of a World Series game. Or any other game.