Guptill Alexander

Ottawa Senators acquire	Date	Buffalo Sabres acquire
Jason Akeson Philip Varone Jerome Gauthier-Leduc Conditional pick	February 27, 2016	Michael Sdao Alexander Guptill Cole Schneider Eric O`Dell

Dallas Stars acquire	Date	Ottawa Senators acquire
Jason Spezza Ludwig Karlsson	July 1, 2014	Alex Chiasson Alexander Guptill Nicholas Paul 2015 2nd round pick