Raphinha and Robert Lewandowski's strikes helped Barcelona move eight points clear at the top of La Liga with a 2-1 win at Real Betis on Wednesday.
Barcelona striker Robert Lewandowski has been given three-match ban in La Liga for showing "disrespect" towards a referee, which he will serve when Spanish domestic football resumes after the World Cup.
Barcelona defender Gerard Pique is believed to have offered to play for free to assist the Balugranas in sealing the registration of their new signings.
Mexico's Pumas on Saturday signed Dani Alves after the veteran Brazilian defender left Barcelona for a second time.
Real Madrid begin their pre-season with a friendly El Clasico against arch-rivals Barcelona FC at the Allegiant Stadium in Las Vegas, USA on Sunday.
Brazilian winger Raphinha said Friday that he is "fulfilling a childhood dream" as he was officially presented as a new Barcelona player.
Former Cameroon striker Samuel Eto'o was handed a 22-month suspended prison sentence by a Spanish court on Monday after admitting tax fraud of 3.8 million euros ($4.00 million) while he was playing for Barcelona.
Pierre-Emerick Aubameyang scored twice as Barcelona tightened their grip on second place in La Liga on Tuesday with a 3-1 win at home to Celta Vigo.