Never say any NHLer is untradeable again: Leafs deal David Clarkson to Columbus for Nathan Horton - The Hockey News
Clarkson-for-Horton trade a legal, and brilliant, circumvention of the salary cap - The Hockey News
Dubas Needs To Unload Salary
So What Happens Now?: The 2013-14 Toronto Maple Leafs
How Golden Knights disrupted the NHL and won the Stanley Cup - ESPN
Mirtle: Making sense of the bizarre trade that sent David Clarkson back to the Maple Leafs - The Athletic
Maple Leafs trade David Clarkson, acquire Nathan Horton
Creative David Clarkson-Nathan Horton Trade a Great Step in Maple Leafs' Rebuild, News, Scores, Highlights, Stats, and Rumors
Five Minutes For Fighting: 2013
Toronto Maple Leafs trade Garret Sparks to Vegas Golden Knights for David Clarkson, 4th-round pick
Is It Too Early to Declare David Clarkson a Bust for the Toronto Maple Leafs?, News, Scores, Highlights, Stats, and Rumors
On the 'Fast' track
Senators acquire Bobby Ryan from Ducks