Plekanec missed Thursday's game against Winnipeg with a groin injury.
Plekanec has four goals and five assists in his last nine games.
Vanek, who improved his season goal total to six, also has four assists for 10 points, tying him with Andrei Markov for the team lead.
Plekanec has scored four goals in five games, and has five points on the season. He'll try to keep it going on Friday night when Montreal visits Carolina.
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