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.
Slovenian Tadej Pogacar claimed a second successive Tour de France title after Sunday's 21st and final stage, which was won by Belgian Wout van Aert on the Champs Elysees.
Ultra-nationalist and schooled in their country's historical grievances, Russian soccer hooligans see themselves as fighting the Kremlin's geopolitical battles in miniature when they clash with foreign fans at the Euro 2016 tournament.
But it was man-of-the-match Dimitri Payet who scored his second goal in as many matches to put the Frenchmen through to the knockouts.
Real Madrid dug deep in a 3-0 home win against lowly Alaves in the La Liga, but Ligue 1 leaders Paris St Germain their second Ligue 1 loss of the season.
Inter Milan got a crucial 1-0 win at Juventus on Sunday
Russia was among 14 countries which signed a convention between the Council of Europe and European soccer body UEFA on Sunday aimed at stopping a repeat of fan violence which has marred Euro 2016.
Hosts France were made to work hard by Albania but two late goals sealed the Group A match in their favour. Antoine Griezmann and Dimitri Payet scored late to earn the nervous hosts the result they sought.
Novak Djokovic is capable of extending his record for holding the men's World No. 1 ranking for most weeks to 400, said Russia's Daniil Medvedev who will climb up to a career-best ranking of second on Monday.
News of all that's transpired on and off the football field.
Top seed Simona Halep came back from a set down for the third time in the tournament to beat Kazakhstan's rising star Elena Rybakina 3-6, 6-3, 7-6(5) to win the Dubai Duty Free Tennis Championships for the second time on Saturday. In a battle that lasted nearly two-and-a-half hours, the match came down to a tiebreak where two shots that went agonisingly wide for Rybakina eventually decided the title in front of a noisy crowd that constantly chanted Halep's name.
News of all that's transpired on and off the football field
The French League (LFP) will take out a state guaranteed loan to pay clubs in its top two tiers the money they would have received from television broadcasts if the season had not been abandoned due to the COVID-19 pandemic, it said on Monday.
News of all that's transpired on and off the football field.
Images from the football matches played across Europe on Sunday.
French Football Federation (FFF) president Noel Le Graet told the country's top clubs on Wednesday to make the quality of their pitches an absolute priority, describing one ground at Euro 2016 as "a failure".
A summary of Thursday's matches in the Europa League.
News of all that's transpired on and off the football field
The wheel will have come full circle for Galatasaray forward Didier Drogba when he takes to the pitch for Wednesday's Champions League quarter-final first leg match at Real Madrid.
News of all that's transpired on and off the football fie
Images from the matches played across football leagues in Europe on Sunday.
News of all that's transpired on and off the football field
European soccer's governing body warned the English and Russian football associations on Sunday that if fan violence continued their teams could be disqualified from the Euro 2016 tournament.
IMAGES from the Champions League matches played on Wednesday.
Russian President Vladimir Putin called the football hooligan violence at Euro 2016 a "disgrace" but questioned how Russian fans could have overpowered a far larger contingent of English supporters. "The fighting between Russian fans with the English, that is a disgrace," he said at Russia's annual economic forum in Saint Petersburg. "But I truly don't understand how 200 of our fans could beat up several thousand English," he said, to laughs and applause from the audience.
European soccer's governing body, UEFA, said on Sunday it had opened disciplinary proceedings against the Russian Football Union following crowd disturbances at the end of the Russia-England Euro 2016 match in Marseille.
News of all that's transpired on and off the football field
France coach Didier Deschamps confirmed his final Euro 2016 squad on Tuesday, including defenders Adil Rami and Samuel Umtiti in place of the injured Raphael Varane and Jeremy Mathieu. Liverpool centre back Mamadou Sakho was not included even though his 30-day provisional suspension for failing a drugs test expired last weekend. Hosts France geared up for the finals with a 3-2 victory over Cameroon in Nantes on Monday. They take on Scotland in Metz on Saturday.
David Beckham is likely to feature in the Paris St Germain squad for the first time when the Ligue 1 leaders take on arch rivals Olympique Marseille on February 24, coach Carlo Ancelotti said on Monday.
Russia striker Fyodor Smolov insists that English and Welsh fans were guilty of antagonising their Russian counterparts during scuffles that broke out in Lille earlier in Euro 2016.
Former Manchester United left back Patrice Evra announced his retirement from soccer on Monday, bringing a trophy-laden 20-year career to an end.
News of all that's transpired on and off the football field
Juventus raced into a 2-0 halftime lead after Napoli goalkeeper Alex Meret was sent off in the 25th minute. The visitors then had Pjanic dismissed and Napoli's Jose Callejon pulled one back before Insigne let the Turin side off the hook.
News of all that transpired on and off the football field.
Portugal midfielder Renato Sanches has been named as the Young Player of the Tournament at UEFA Euro 2016. The award winner - open to all players born on or after 1 January 1994 - was chosen by the UEFA's technical observers, which included legendary Manchester United manager Sir Alex Ferguson.
Round-up of football matches played around Europe on Saturday.
Round-up of World Cup qualifiers played on Friday
PSG make winning start as Messi arrival looms
Centre forward Eder, who scored the winning goal in the Euro 2016 final against France, was among 10 players from that squad omitted from Santos's list. Other unlucky players included midfielders Andre Gomes and Renato Sanches, forward Nani and defender Eliseu.
Playing at the Parc des Princes against the team who denied them the title last year was the perfect occasion for PSG, owned by big-spenders Qatar Sports Investments since 2011, to wrap up their fifth title in the Qatari era.