Chiarelli told reporters on a conference call Wednesday that he thinks it will happen by Friday, when Rask can become a restricted free agent. Even if they don't meet the deadline, the GM says he still feels like he can get a deal done.
Rask allowed just two goals a game this season while leading the Bruins to the Stanley Cup finals. He is 26.
Chiarelli also said he would consider re-signing forward Jaromir Jagr. The team had decided to part ways with the future Hall of Famer, whom they acquired at the trade deadline. But after Nathan Horton said he wanted to test the market, that left Boston looking for forwards.