PORTLAND, Ore. -- The Portland Timbers have signed striker Gaston Fernandez and center back Norberto Paparatto, both of Argentina. The Timbers on Wednesday also loaned Colombian forward Jose Valencia to Argentina first-division side Olimpo de Bahia Blanca for a season.

Fernandez and Paparatto will join the club once their transfer and visa documents are complete.

Fernandez, 30, has played for several first-division teams in Argentina, winning season titles with three different clubs. Since 2002,...