Ready for October? A's take big series from NY

Piscotty's 2-run single OAKLAND -- The A's rolled over their potential Wild Card opponent Wednesday and presumably struck fear in the Yankees, who will surely have to think twice about putting Luis Severino on the mound for a possible one-game playoff with Oakland next month.

The A's toppled Severino and the Yankees for an 8-2 victory at the Coliseum and yet another series win; they have won or drawn a tie in 21 of their last 23, building an MLB-best 50-21 record since June 16. Just 3 1/2 games separate them from the front-running Yankees in the AL Wild Card race -- home-field advantage is on the line -- with 21 to play.

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The A's also remain 3 1/2 back of the first-place…