Oilers coach Kris Knoblauch said Wednesday that forward Zach Hyman requires surgery following the upper-body injury that knocked him out of Edmonton’s Game 4 win over the Dallas Stars in the Western Conference finals. He is not expected to be able to play for the remainder of the postseason.

The Edmonton Oilers will likely be without hard-hitting forward Zach Hyman for the remainder of the playoffs because of an undisclosed injury to his right arm.

Oilers coach Kris Knoblauch said Hyman will have surgery on Wednesday to repair an upper-body injury and is likely to miss the rest of the playoffs. Knoblauch did not disclose details about the injury or the surgery.