Leaders Barcelona needed two goals in the last ten minutes to beat bottom club Osasuna 3-2 away, and moved 12 points clear at the top of the Primera Liga on Sunday.
Regarded as one of the best centre backs of his generation, Pique collected 35 trophies during his 18-year career.
The Brazilian signed a five-year contract and will be officially unveiled on Monday.
Arsenal is all set to sell skipper Cesc Fabregas to Barcelona for 50 million pounds.
Barcelona reached the last 16 of the Champions League despite being held to a 1-1 draw by a determined Basel at the Nou Camp on Tuesday.
Top seed Rafael Nadal produced a claycourt masterclass on Saturday to demolish German Denis Gremelmayr 6-1, 6-0 to reach the final of the Barcelona Open.
Third seed David Nalbandian recovered from a shocking start to beat Argentine compatriot Agustin Calleri 1-6, 7-6, 6-3 on Tuesday and become the first man into the third round of the Barcelona Open.
Eleven-times champion Rafael Nadal booked his place in the semi-finals of the Barcelona Open semi-finals by beating German Jan-Lennard Struff 7-5, 7-5 in a hard-fought match on Friday.
Spectators chanted "refund" after Messi stayed on the bench during the match.
Barcelona coach Luis Enrique believes his current squad is the strongest he has ever had and he is very confident of retaining the La Liga and King's Cup titles. The Spanish champions have recruited Andre Gomes, Samuel Umtiti, Lucas Digne and Denis Suarez since the end of last season while Marc Bartra, Thomas Vermaelen, Adriano Correia and Sandro Ramirez have departed. "On paper, this is the best squad that I have had in my three years at Barca," Luis Enrique told the club's website. "We have a squad that has been strengthened brilliantly.
Bangladesh are considering an offer to host four-times European champions Barcelona for a match when they make a pre-season visit to Asia in August.
Neymar scored twice as Barcelona reached the Champions League semi-finals.
Rangers were indebted to goalkeeper Allan McGregor for keeping Barcelona at bay in a goalless draw at Ibrox in their Champions League Group E encounter on Tuesday.
Players and officials of Spanish football club FC Barcelona played their last respects to former coach Tito Vilanova during a memorial service at Barcelona Cathedral on Monday.
Barcelona forward Lionel Messi will be out for between six and eight weeks with a hamstring injury, the La Liga leaders said on Monday.
Athletic Bilbao's Spanish Super Cup victory against Barcelona not only earned them their first major trophy in 31 years but also ended coach Ernesto Valverde's long wait for silverware.
Real Madrid thrashed Deportivo La Coruna 6-2 to stay level with Barcelona at the top of La Liga on Wednesday after the Catalans crushed Osasuna 7-1, condemning the minnows to relegation.
Ronaldo admitted that both of them changed the history of football and urged his fans to not hate on Messi.
Rafael Nadal held off a stirring fightback from David Ferrer to beat his fellow Spaniard 6-1, 4-6, 6-1 on Sunday and become the first man to win the Barcelona Open in four consecutive years.
Barcelona coach Luis Enrique is head strong but it appears as though he may be fighting a losing battle with the four times World Player of the Year.
Brazilian Neymar played his first match for Spanish league champions Barcelona in a friendly against Polish club Lechia Gdansk on Tuesday.
How to clone Lionel Messi? Set up a Barcelona soccer school in Argentina.This was the thinking behind the Catalan club when they decided to look for more Argentine talent to nurture in their rich, world famous youth scheme.
Barcelona surrendered a two-goal lead to slump to a shock 3-2 defeat at Real Betis in the La Liga.
Spanish prosecutors are seeking a two-year prison term and a 10 million euro ($9.8 million) fine for Neymar.
Barcelona have hired Argentine Gerardo Martino, known as a disciple of the club's possession-based style, to replace Tito Vilanova as coach, the Spanish champions said on Tuesday.
IMAGES from the Champions League matches played on Tuesday.
'There is not the slightest hint of crime'
Spanish football giants FC Barcelona on Thursday said that they want to scout talent at the grassroot level in India and will soon hold training camps across the country.
Barcelona plan to attack Real Madrid in Tuesday's Champions League semi-final second leg despite holding a 2-0 advantage from the first leg, coach Pep Guardiola said on Monday.
Rafael Nadal eased past Spanish compatriot Nicolas Almagro 6-3, 6-1 to reach the Barcelona Open third round on Wednesday as he began his bid for a ninth title on the clay in the Catalan capital.
News of all that's transpired on and off the football field
To up the glamour, the Octagon girls joined Barcelona superstar Neymar.
Kei Nishikori was crowned Barcelona Open champion for the second consecutive year after a hard-fought 6-4, 6-4 victory over surprise Spanish finalist Pablo Andujar on Sunday.
16-year-old Kerala lad Evans Thomas was adjudged best in the 'WHERE'S THE NEXT' Nike football contest.
Barcelona striker Thierry Henry has warned the club's league and European rivals that he plans to win everything on offer this season.
Arsenal will man the barricades on Tuesday in anticipation of a Barcelona backlash while hoping that their second Champions League visit to the Nou Camp in less than a year will be less harrowing than the first.
Barcelona lead the Primera Liga on goal difference, ahead of title rivals Sevilla and Real Madrid.