Matthews: Aaron Boone's abilities as a manager will be put to the test in a winner-take-all game, and he's already rolling the dice

In his rookie season as a manager, Aaron Boone's Yankees won 100 games.

And we still don't know if he can really manage.

But we do know this: He’s got guts. Either that, or the people making his decisions for him do.

Because by choosing Luis Severino to start Wednesday’s one-and-done Wild Card...