According to NHL rules, it is forbidden for any players, agents, or general managers to speak to any other NHL player currently under contract with another organization.
According to reports Draisaitl and the Bruins have been linked over the past year. But after July 1st, he can sign an extension in Edmonton or seek better fortunes elsewhere. There's been rumors swirling over the net, that Draisaitl would seek a trade from the Oilers, to find greener pastures, but there is no confirmation of this.
