This was the idea when they signed him. Gerrit Cole in Game 1 of the playoffs in front of a packed house at Yankee Stadium. It took until his third season in pinstripes, because of COVID among other things. So the right-handed ace was given the “honor” of pitching the first game, but he comes into this first Bronx playoff game with a lot to prove. “It’s always special, I think, any time somebody gets selected to lead the team into battle,” Cole said. “And I think what comes with that responsibility is preparedness, poise and to be on the attack.” Cole has pitched four playoff games for the Yan…