St-Denis, 28, tallied nine goals, 17 assists, 26 points, 32 penalty minutes and a +16 plus/minus rating in 60 games played for the American Hockey League’s Springfield Falcons in 2013-14. He competed in the 2014 AHL All-Star Game, recording a +3 rating for Team AHL in a 7-2 victory over Färjestad BK. In five Calder Cup Playoff games, he registered 0-2-2 for the Falcons.

A native of Greenfield Park, Québec, St-Denis signed with Columbus as a free agent on July 7, 2013 after spending the previous four seasons with the Montréal Canadiens organization. During that time, he recorded 1-2-3, 10 penalty minutes and a +3 rating in 17 games with Montréal and 19-69-88, 120 PIM +27 in 263 games with Hamilton (AHL). The 5-11, 192-pound blueliner competed in the AHL All-Star Game during the 2011-12 campaign and was named the Bulldogs’ Top Defenseman for 2010-11.

In five seasons with the Quebec Major Junior Hockey League’s Drummondville Voltigeurs, St-Denis recorded 44-111-155 and a +21 rating in 285 games from 2002-07. He was named an Ontario University Athletics First-Team All-Star in 2007-08, his lone season of Canadian Interuniversity Sport hockey with the University of Québec at Trois-Rivières