Cory Baptiste, from Essex, was arrested in Barcelona after being added to the UK's 'most wanted list'.
Netherlands keeper is set to be on the sidelines for three weeks.
Pique has won the 2010 World Cup with Spain.
Cillessen, 27, is a doubt for Barcelona's La Liga clash against Deportivo La Coruna on 15 October.
Alexander Hleb has made 10 appearances for Arsenal.
The versatile Frenchman says he 'loves' the Premier League but admires Barcelona and Real Madrid.
Frenchman has missed last four games due to a internal ligament strain to his left knee.
Bellerin, 21, has three years left on his contract at the Emirates Stadium.
Barcelona looking to win third match on the bounce at Balaidos.
The teenager has impressed since breaking into the first team at Falkenbergs.
Barcelona looking to make it two wins out of two in the Champions League.
Athletic Club are 5th in La Liga after not signing a single player last summer.
Barcelona can go top of the La Liga table by winning at El Molinon.
Teenager is also reported to have attracted interest from Barcelona and Manchester United.
Messi, 29, will miss two La Liga matches and Champions League meeting with Borussia Monchengladbach.
Barcelona face a stern test of their mettle against Diego Simeone's side at Camp Nou.
Hector Bellerin has started every Premier League game for the Gunners.
Investigators have visited the site but the cause remains unexplained.
Brazilian has become a key figure in Jurgen Klopp's plans at Anfield.
The Dutchman has hit out at European football's governing body.
Barcelona looking to return to winning ways in La Liga.
New stadium is set to open at the start of the 2018-19 season.