The Seattle Sounders have officially signed forward Kenny Cooper, the club announced Thursday.

The Sounders held Cooper's rights after acquiring them from FC Dallas last week in exchange for midfielder Adam Moffat.

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Cooper, 29, has registered 72 goals and 16 assists in 188 career MLS appearances with Dallas (2006-09, 2013), the New York Red Bulls (2012) and the Portland Timbers (2011). He has also played in England, Portugal and Germany, and is a product of the Manchester United academy, but did not feature for the first team. At the international level, Cooper has four goals in 10 appearances with the US national team between 2007 and 2009.