Head coach Jon Cooper said Cernak's upper-body injury is more of a week-to-week situation, Bryan Burns of the Lightning's official site reports.

EDGE Analysis

While Cooper didn't provide many additional details, it sounds like the Lightning will be without one of their top-four defensemen for a while. With Cernak sidelined, Mikhail Sergachev's return from a suspension Saturday versus the Panthers should account for the lineup change.