The Portland Timbers’ Colombian connection continues.The signing of 25-year-old defender Hanyer Mosquera, announced on Tuesday, means Portland enters its second Major League Soccer season with four Colombians.Timbers general manager Gavin Wilkinson described the 6-foot-1, 175-pound Mosquera as a “very physical” and athletic defender.His addition adds needed depth to the middle of the back line. Eric Brunner and Mamadou “Futty” Danso are the only healthy returning central defenders as the Timbers prepare to begin training camp on Monday.In addition to announcing the signing of Mosquera, the Timbers on Tuesday made four selections in the MLS Supplemental Draft, which is the conclusion of the draft process started with last week’s SuperDraft.The Timbers had the eighth pick in each round. Their picks were Ryan Kawulok, a defender from the University of Portland, Cal Irvine midfielder Miguel Ibarra, St. Mary’s goalkeeper Doug Herrick and Loyola Marymount forward-midfielder Logan McDaniel.In last week’s SuperDraft, the Timbers selected Connecticut defender Andrew Jean-Baptiste and Notre Dame midfielder Brendan King.Of the six draft picks, only Jean-Baptiste has a MLS contract. The other draft picks will be competing for a spot on the Timbers roster.Mosquera is the second young Colombian signed this offseason by the Timbers. They also added 20-year-old forward Jose Adolfo Valencia. Forward Jorge Perlaza and midfielder Diego Chara played significant roles for the Timbers last season.