‘Ruff and the Sabres announced earlier this week that Jiri Kulich will be out for “a significant time” due to blood clots, and that the team would have a better idea in 3-4 weeks regarding a potential return for the center. The Sabres are already without top-line center and faceoff specialist Josh Norris, who is out until at least December due to an upper-body injury he sustained Oct. 9 in the season opener against the New York Rangers.’