 The Blackhawks were unable to re-sign unrestricted free agents Brad Richards, Antoine Vermette and Johnny Oduya due to salary cap constraints.The team then traded long-time veteran and fan-favorite Patrick Sharp (along with Stephen Johns) to the Dallas Stars in exchange for Trevor Daley and forward Ryan Garbutt in order to stay under the salary cap.Amidst the roster turnover, the Blackhawks signed free agent Artemi Panarin from the Kontinental Hockey League (KHL) to an entry-level contract.