‘“That’s what the practices are built around,” Ruff said Friday, a day before the Sabres host the Detroit Red Wings in a preseason game at 3 p.m. Saturday at KeyBank Center. “Compete and skate. The fitness level is in a pretty good place based on the testing we’ve done, so keeping that level of fitness where it’s at so that we can maintain a high level of play. A consistently high level of play.”’