Defenceman Zubov scratched from Stars lineup for Game 7 against Canucks
Zubov, who led all skaters in ice time after the first six games of the Western Conference quarter-final series, missed the third period of Saturday's game with a "torso injury."
He skated in Monday's warmup put moved slowly. His place in the lineup was taken by Jon Klemm.
Klemm, 37, is the Stars' oldest player but won two Stanley Cup rings during his six years in Colorado.