Marner signed an eight-year contract extension worth an average annual value of $12 million

The Toronto Maple Leafs sent Mitch Marner to the Vegas Golden Knights in a stunning sign-and-trade deal before NHL free agency begins on Tuesday.

Perhaps the biggest pending free agent is already off the market. After a sign-and-trade with the Vegas Golden Knights, star forward Mitch Marner signed an eight-year deal worth $96 million, so he'll be in the desert for the foreseeable future. In return, the Maple Leafs got third-line center Nicolas Roy.