While the Calgary Flames may have lost two superstars this offseason, they at least got one in return, and they spent last night locking up to a long-term deal. With Jonathan Huberdeau now set to be in a Flames uniform for the next nine seasons, many eyes are glancing towards the pending UFA status of the other big piece of the Matthew Tkachuk trade: defenseman MacKenzie Weegar. TSN Calgary’s Salim Nadim Valji reports that sources tell him Weegar has “a strong, genuine desire” to stay in Calgary and that he and the Flames will engage next week about an extension…