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Panthers starting goalie Roberto Luongo, who has allowed just two goals in his two games this year, is expected to return to the starting lineup on Thursday.
He will be opposed by Capitals goalie Braden Holtby, who won 48 games and the Vezina Trophy last season.
Luongo will have to contend with Capitals star left winger Alex Ovechkin, who scored 50 goals last season. It was the third straight year he reached that milestone, and he has done it seven times overall in his career.
The Capitals, who beat the Colorado Avalanche 3-0 on Tuesday, got off to a slow start on their power play this season, enduring a 0-for-8 drought.