The Union has signed Argentinean midfielder Eduardo "Chacho" Coudet. Terms were not disclosed.
Coming from Club Atlético Colón in the Argentinean First Division, Coudet, 35, will be eligible to play when the Union hosts the New England Revolution on July 31.
The Union is off this weekend and then the league takes a break for next week's All-Star Game in Houston.
Coudet has played for the Union in international friendlies against FC Celtic and Manchester United.
Coudet hails from Buenos Aires, Argentina and has played in some of the world's most recognizable leagues, including Argentina's First Division (Atlético Platense, '93-95; Rosario Central, '95-98, 2006; San Lorenzo, '98-99, '04-05; River Plate, '99-04 and Club Atlético Colón, '10), the Spanish First Division La Liga (Celta de Vigo, '02), and the Mexican First Division (San Luis, '07-.'09; Necaxa, '09).