The Senators have traded Jason Spezza and Ludwig Karlsson to the Stars for Alex Chiasson, prospects Alex Guptill, Nicholas Paul and a 2nd round pick in 2015.Spezza, 31, scored 23 goals with 43 assists (66 points) in 75 games with the Senators in 2013-14. Spezza, who made it clear that he wanted out of Ottawa, refused a deal to Nashville on Draft Day, but is now on his was to Dallas. He will join Tyler Seguin as the Stars 1-2 punch. He carries a $7 million cap-hit in this, his final season on a seven-year deal.