After the Washington Wizards ended a season-high five-game losing streak Saturday with a 37-point victory over the Brooklyn Nets, Marcin Gortat wasn’t quite ready to declare that their earth was back on its axis. “At the end of the day, it was Brooklyn, so we can’t get really excited,” he said. There’s nothing like perspective. And Gortat is right: One win against a plodding, tired team is nothing to get excited about. What the Wizards should be is concerned. Prior to the win