Arizona Coyotes head coach Rick Tocchet doesn’t know when defenseman Jakob Chychrun will be back following off-season knee surgery, as he told told SiriusXM NHL Network (via NHL.com).

The sophomore defenseman is considered out indefinitely, after all.

Still, whenever Chychrun does return – and Tocchet believes it will happen sometime during this coming season – he’s expected to make a remarkable recovery.