 The team was also unable to agree to terms with starting goaltender Antti Niemi, who left as restricted free agent to the San Jose Sharks.The Blackhawks signed former Dallas Stars starting goalie Marty Turco as his replacement, but eventually turned to rookie Corey Crawford to become their full-time starting goaltender.The Blackhawks also made a mid-season trade to acquire winger Michael Frolik from the Florida Panthers in exchange for Jack Skille, Hugh Jessiman and David Pacan.