The Greek league leaders confirmed the move but did not give financial details. Local media said Toure would be paid around 2.5 million euros ($2.9 million) for one season.
Former European champions Ajax Amsterdam and Celtic, who both suffered the indignity of being knocked of the Champions League qualifiers by underdogs this season, will meet in the Europa Leagueafter being drawn together in the group stage on Friday.
IMAGES from football matches played across leagues in Europe on Sunday.
Inter Milan got a crucial 1-0 win at Juventus on Sunday
Spanish prosecutors have brought tax fraud charges against three former Real Madrid players, Xabi Alonso, Ricardo Carvalho and Angel di Maria and opened investigations into two other players, a prosecution source confirmed on Wednesday.
Photos from the UEFA Champions League last 16 first leg-matches played on Wednesday
The model shared pics of her trip to the capital of South Korea.
News of all that's transpired on and off the football field
Lewis Hamilton, winner of a record 94 races, said after winning Sunday's Turkish Grand Prix to clinch the title that he thought more of others.
News of all that's transpired on and off the football field
The Frenchman declined to talk about his bid for the FIFA presidency in his first news conference since announcing one month ago that he would stand as a candidate to replace Sepp Blatter.
Formula One leader Max Verstappen passed Mercedes rival Lewis Hamilton on the penultimate lap to win a tense French Grand Prix for Red Bull on Sunday and canter 12 points clear at the top.
News of all that's transpired on and off the football field
Here's what your favourite Bollywood celebrities are tweeting.
News of all that's transpired on and off the football field
Neymar lived up to expectations as he showed his class on his Ligue 1 debut on Sunday, scoring one and setting up another goal in Paris St Germain's 3-0 win at En Avant Guingamp.
With Sunday's win, the world number one took his Grand Slam tally to 18, just two shy of Roger Federer and Rafael Nadal's men's record of 20.
Lewis Hamilton was pictured at an event earlier this month in London with actor Idris Elba, who was subsequently diagnosed with the coronavirus. However, in a statement released on Saturday Hamilton revealed that he is still 'feeling healthy'.
Javier Hernandez's late strike kept Real Madrid on course for a record-extending 11th European Cup crown with a 1-0 win over 10-man Atletico Madrid in a tense quarter-final at the Bernebau on Wednesday.
Any sliver of a doubt over whether Cristiano Ronaldo would lead Portugal into the Euro 2016 was erased on Tuesday when he was named in their 23-man squad for the finals.
Playing his first match since injuring his knee at Indian Wells last month, Nadal showed no signs of rust as he raced into a 5-0 lead in the first set on Court Rainier III.
Pep Guardiola will return to the Nou Camp in the Champions League group stage after his new club Manchester City were drawn against his former Barcelona team on Thursday. The two sides were drawn in Group C alongside Borussia Moenchengladbach and former European champions Celtic in one of the toughest of the eight sections. Spanish coach Guardiola, who won the Champions League twice with Barca, faced the Catalans when he was in charge of Bayern Munich two seasons ago and suffered a 5-3 defeat in the semi-finals.
Inter Milan staged a late smash-and-grab raid as goals by Mauro Icardi and Matias Vecino secured a 2-1 home win over Tottenham Hotspur in their Champions League Group B opener on Tuesday.
Lewis Hamilton collected his champion's trophy at a glittering gala in Paris after ending the year in touching distance of Michael Schumacher's records for wins and titles.
News of all that transpired on and off the football field
Long jumper Anju Booby George expressed happiness on Tuesday after her second place finish at the 2005 Monaco World Athletics Final was upgraded to a gold medal, saying the frustrating time she endured for last nine years was worth the wait.
Images from action in the Europa League matches on Thursday.
Lewis Hamilton's long-awaited new deal with Mercedes could be announced at the showcase race of the Formula One season in Monaco next week.
Robert Lewandowski struck twice in the first half as holders Bayern Munich cruised past Schalke 04 3-0 on Wednesday to reach the German Cup semi-finals.
Atletico Madrid took a giant step towards the La Liga title
With the retirement of three-time champion Usain Bolt, the 100m will have a new gold medallist at Tokyo 2020.
All the summer transfer details right here...
Esha Gupta was the showstopper for Amit Aggarwal's show, which was inspired by Monaco.
Japan's round of the MotoGP championship, which was due to take place on October 18 at Motegi after the F1 race at Suzuka on October 11, had already been cancelled due to the expected extension of a travel ban.
VAR system would be used in the final qualifying round, the group stage and the knockout stages of next season's Champions League.
Jenson Button won a 'Legends Trophy' esports race on Saturday with fellow retired Formula One world champion Jacques Villeneuve going from last to sixth on his virtual debut.
"Our club has reached an agreement with Gelson Martins, making him a new Atletico player," said a statement from last season's La Liga runners-up.
The Mughal Garden will be in full bloom with over 10,000 Tulip bulbs, 138 types of roses and 70 different kinds of about 5,000 seasonal flowers.
Radamel Falcao's hopes of playing at the World Cup finals hung by a thread on Thursday after his Ligue 1 club Monaco announced the Colombia striker required surgery on a left knee injury.
Organisers of this year's US and French Opens established bio-secure 'bubbles' for players, who were not allowed to leave their hotel rooms except to train and play.
