The Red Sox were finally getting what they’ve waited so long for from Chris Sale in the playoffs. Their left-handed ace was dialed in, emotional and after two years away from the game, ready to lead the Sox to a pivotal win on a big stage. And then came the sixth inning. And now, suddenly, the Red Sox’ season is on the brink of ending. Sale looked much better, at times vintage-like, but the Red Sox may have bit off more than he could chew on Wednesday night.