We have been here before. The Milwaukee Bucks are fighting for their lives on the road in the seventh game of a 7-game series, just like last year. The Bucks are trying to best their opponent despite injury and cold shooting, just like last year. But despite the familiar territory, Milwaukee is in a much different place going into tomorrow’s winner-take-all showdown against the Boston Celtics. And while it might be tough to admit, those differences make all the difference. Khris Middleton has been ruled out for Game 7 vs. the #Celtics. He is the only #Bucks player on the…