Minnesota Wild center Zac Dalpe will miss the next four to six weeks after undergoing arthroscopic surgery to repair a lateral meniscus tear in his right knee.

Dalpe was hurt Saturday in Minnesota’s 4-0 win over Dallas. The Wild placed Dalpe on long-term injured reserve on Tuesday after what the team called a successful operation, performed by Dr. Joel Boyd. Dalpe, who turned 27 on Tuesday, has one goal and two assists in nine games.

The Wild recalled forwards Christoph Bertschy, Tyler Graovac and Jordan Schroeder from their AHL affiliate in Iowa before hosting Buffalo on Tuesday.

Bertschy and Graovac played on Saturday against Dallas before being sent back briefly. Schroeder will make his season debut. He has played in 51 games for the Wild over the last two years.