ESPN reports  that the Ottawa Senators have dealt Jason Spezza and Ludvig Karlsson to the Dallas Stars for forward Alex Chiasson, prospects Nicholas Paul and Alex Guptil and a second-round draft pick in 2015.
Trade not official yet but Senators have agreed to deal Jason Spezza to Dallas. More to come.
— Pierre LeBrun (@Real_ESPNLeBrun) July 1, 2014 
The deal is still pending a trade call.