Trystan Stuart Gwyn Magnuson (born June 6, 1985) is a Canadian former professional baseball pitcher.

He played in the minor leagues with the Blue Jays until being traded to the Oakland Athletics along with Daniel Farquhar for Rajai Davis after the 2010 season.

Magnuson started the 2013 season with the Blue Jays' Double-A affiliate New Hampshire Fisher Cats.

[2] Magnuson was born in Vancouver and, due to his father's job, lived in England, Ottawa and Winnipeg before his family settled in Louisville, Kentucky.

[3] He is the nephew of the late National Hockey League defenseman Keith Magnuson.