OTTAWA – The Ottawa Senators ( @Senators ) announced today that the club has acquired defenceman Patrick Sieloff from the Calgary Flames in exchange for forward Alex Chiasson .

Sieloff, 22, made his National Hockey League debut with Calgary last season, playing one game. In his lone game, he scored the game-winning goal in the Flames’ 2-1 victory over the Minnesota Wild on April 9. In 52 games with the American Hockey League’s Stockton Heat, he scored two goals, nine assists and recorded 54 penalty minutes.

The 6-1, 205-pound native of Superior, Mich., was Calgary’s second-round selection (42nd overall) in the 2012 NHL Draft. In 102 career AHL games between the Abbotsford Heat, Adirondack Flames and Stockton, he has recorded 16 points, including four goals. Sieloff has represented the United States internationally on three occasions, winning gold at the 2013 IIHF World Junior Championship in Russia.

Chiasson, 25, was acquired by Ottawa from the Dallas Stars in a five-player trade on July 1, 2014. In 153 games with the Senators over two seasons, he scored 19 goals and added 21 assists for 40 points while recording 112 penalty minutes.

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