(SportsNetwork.com) - Steve Montador, who played 10 seasons in the NHL, has passed away at the age of 35 according to multiple media outlets.

Montador was found unresponsive in his Ontario home early Sunday morning and was pronounced dead when authorities arrived.

The Vancouver native went undrafted in 2000 and signed as a free agent with the Calgary Flames, where he spent three-plus seasons and appeared in the 2004 Stanley Cup Finals. He spent time with five more franchises, lastly with the Chicago Blackhawks during the 2011-12 season. Montador played the 2013-14 season in the KHL.

Over 571 career NHL games, Montador totaled 33 goals and 98 assists and averaged 80.7 penalty minutes a season. He posted a career-high 26 points (5G, 21A) with the Buffalo Sabres in 2010-11.

"The Buffalo Sabres were deeply saddened to hear about the passing of Steve Montador," the team said in a released statement Sunday. "Steve was a passionate hockey player, a valued member of the Sabres family and a highly respected individual off the ice. Our thoughts and condolences are with Steve's family and friends during this difficult time. "