According to Darren Dreger, via Twitter, Dion Phaneuf (who has been rumored for a few weeks now to be on the trade block) was traded to the Maple Leafs.
According to Dreger the deal is as follows:
Phaneuf, Sjostrom and Auley to Toronto for Hagman, Stajan, Mayers and WhiteThe Leafs also pulled off another major trade today with the Ducks, acquiring J.S. Giguere. Click Here for the details of that move