Clubs around Major League Soccer were put on notice Tuesday when the Seattle Sounders finalized arguably the biggest transfer of the offseason to this point. The two-time MLS Cup champions are bringing in U.

Seattle Sounders FC acquired standout forward Jesús Ferreira from FC Dallas on Wednesday in exchange for midfielder Léo Chú and up to $2.3 million in general allocation money.

The Seattle Sounders have acquired striker Jesus Ferreira from FC Dallas for $1.5m in GAM, potential for another $800,000 in GAM, an international roster spot, and winger Leo Chu. Dallas and Seattle will both retain sell on percentages for their former players.

Ferreira was acquired by the Seattle Sounders on Wednesday in a trade with FC Dallas, both clubs announced. In exchange, FC Dallas received winger Leo Chu and $1 million in General Allocation Money (GAM). FC Dallas could receive an additional $1.3 million in GAM over the next two MLS season pending performance-based metrics.

The U.S. forward leaves FC Dallas for Seattle, bringing new firepower to the Sounders’ attack ahead of an ambitious season.