Traded to NY Rangers by Calgary with Calgary's 5th round choice (Shane McColgan) in 2011 Entry Draft for Roman Horak, NY Rangers' 2nd round choice (Markus Granlund) in 2011 Entry Draft and Pittsburgh's 2nd round choice (previously acquired, Calgary selected Tyler Wotherspoon) in 2011 Entry Draft, June 1, 2011. Traded to Columbus by NY Rangers with Brandon Dubinsky, Artem Anisimov and NY Rangers' 1st round choice (Kerby Rychel) in 2013 Entry Draft for Rick Nash, Steven Delisle and Columbus' 3rd round choice (Pavel Buchnevich) in 2013 Entry Draft, July 23, 2012. Traded to Chicago by Columbus for Jeremy Morin, December 14, 2014. Claimed on waivers by Toronto from Chicago, March 1, 2015. Traded to Pittsburgh by Toronto with Phil Kessel, Tyler Biggs and future considerations for Nick Spaling, Kasperi Kapanen, Scott Harrington, New Jersey's 3rd round choice (previously acquired) in 2016 Entry Draft and future considerations, July 1, 2015.