Kevin Hayes, the Chicago Blackhawks' 2010 first-round draft pick, became an unrestricted free agent after he and the Blackhawks were unable to agree on a contract prior to the deadline.
St. Louis Blues captain David Backes returned against the Chicago Blackhawks in Game 5 of their Western Conference first-round series Friday night after missing the previous two games with an upper-body injury.
Nashville Predators rookie defenseman Seth Jones suffered an upper-body injury in the first period against the Chicago Blackhawks on Sunday and was ruled out the remainder of the game.
The Chicago Blackhawks re-signed defenseman Nick Leddy to a two-year contract, the team announced on Wednesday.
The Blackhawks' Jonathan Toews sat out the third period with an upper body injury.
Chicago Blackhawks forward Marian Hossa played in Game 5 of the Stanley Cup finals on Saturday, according to coach Joel Quenneville.