Top defenseman Sergei Zubov will have hip surgery in January and is out indefinitely. Now, the Stars will have to soldier on without two of their top players — Zubov and captain Brenden Morrow, who is out for the season with a knee injury — for the foreseeable future. Two things to consider for the Stars, who crawled out of the Western Conference basement with an overtime win over Phoenix on Tuesday and face another team ahead of them in the standings, Columbus, on Thursday night.