Gab Marcotti points out the areas of Barcelona's squad that need strengthening before they spend big on Nico Williams. (2:19)Open Extended ReactionsBarcelona have announced they will return to the Spotify Camp Nou on Aug. 10 for the Joan Gamper Trophy, the club's annual preseason curtain-raiser. Barça have spent the last two seasons playing at the Olympic Stadium in the city as extensive renovation work is carried out on their long-term home. "This comeback represents a historic moment for the Club and its supporters," the club said in a statement. "After more than two years of major renovations and a temporary relocation to the Lluís Companys Olympic Stadium, Barça will once again feel the thrill of football in its legendary temple.