Anaheim Ducks forward Ondrej Kase will be sidelined indefinitely with a concussion, reports Mike Coppinger of the Los Angeles Times.

Kase suffered the injury in Saturday's preseason tilt against the Los Angeles Kings.

The injury is the latest blow to a Ducks squad that's already lost veteran winger Corey Perry for five months due to a knee injury. Also, center Ryan Kesler's return remains unclear as he's still rehabbing from hip surgery.

In 66 appearances with the Ducks last season, Kase notched 20 goals and 18 assists. His 20-goal output finished second to only Rickard Rakell for the team lead.

Kase is under contract for the next three seasons at a $2.6-million cap hit.

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