Percy Harvin hip injury

Ted S. Warren / AP Photo

He cost the Seahawks a lot in trade treasure. Now, an injury could cost wide receiver Percy Harvin the season. He had hip surgery this week and is expected to be out for much – if not all – of the season.

KPLU sports commentator Art Thiel explains why this is a blow but not a death knell for the team. And he discusses reports there might have been warning signs about Harvin's injury.