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.
Virat Kohli and Bhuvneshwar Kumar are India's highest-ranked batsman and bowler in third and 13th positions respectively.
Bayern Munich booked their fifth successive Champions League semi-final spot with a 2-2 draw at Benfica on Wednesday to seal a 3-2 aggregate victory that kept the Germans on course for a treble of titles.
A summary of sports events and sports persons, who made news on Tuesday
Delhi Dynamos extended their dismal run in the Hero Indian Super League as they lost by a solitary goal to Kerala Blaster to remain at the bottom of the table and put themselves in a difficult position to qualify for the semi-finals in New Delhi.
Holders Real Madrid breezed into the last 16 of the Champions League with two games to spare when a Karim Benzema strike secured a 1-0 win in their Group B match at home to a toothless Liverpool on Tuesday.
Champions Manchester United beat Premier League leaders Arsenal 1-0 at Old Trafford on Sunday with Robin van Persie once again tormenting his former team mates with a soaring first half header.
Images from Day 6 of the French Open in Paris on Friday.
The Indian top-order batsmen got much needed batting practice against a below-par Leicestershire attack as they finished the first day of their opening tour match at a comfortable 333 for four Leicester on Thursday.
Arsenal climbed into the top four with a laboured 2-1 win over Leicester City.
A summary of the action on Day 3 at the US Open.
Skipper Manoj Tiwary showed the way as Bengal produced a much improved batting performance in the second innings against Mumbai in a group A encounter in Nagpur. After Ashok Dinda's 22nd five wicket haul in first class cricket enabled Bengal to restrict Mumbai to 229, Bengal scored 198 for 3 in 61 overs.
A summary of sports events and persons who made news on Friday
A summary of sports events and persons who made news on Wednesday.
Some of the best photographs, clicked across the globe in January.
A summary of sports events and sports persons, who made news on Sunday
This and more from the happenings in the world of football
Malta make Italy sweat, while Bale takes Wales closer to competition
A summary of the results of the major European football league matches on the weekend.
Images from the Champions League round of 16 second leg matches played on Tuesday
News of all that's transpired on and off the football field
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Photos from French Open matches played at the Roland Garros on Friday
News of all that's transpired on and off the football field
Neymar scored twice as Barcelona reached the Champions League semi-finals.
Off-spinner Ravichandran Ashwin spun a web around Sri Lankan batsmen with a six-wicket haul as India dismissed the hosts for a paltry 183 in the first innings to gain the upperhand on the opening day of the first Test in Galle on Wednesday.
Football news from Ligue 1, Bundesliga and La liga.
World No 1 Serena Williams kept her Wimbledon title defence on track on Sunday, downing Germany's Annika Beck 6-3, 6-0 with a crushing display of power and booming serves.
Portugal captain Cristiano Ronaldo struck his fifth international hat-trick, including a spectacular volleyed opener, to lead the European champions to a 5-1 win over the Faroe Islands in their World Cup qualifier on Thursday.
Brazilian Andre Moritz dazzled the home crowd with a hat-trick of goals to power Mumbai City FC to a stunning 5-0 victory over state rivals FC Pune City in a Hero Indian Super League fixture.
Lasith Malinga's brilliant five-wicket haul under pressure and opener Lahiru Thirimanne's second ODI century helped Sri Lanka script a thrilling 12-run win over Pakistan in a nail-biting opening match of the Asia Cup at the Khan Shaheb Osman Ali Stadium, in Fatullah, on Tuesday.
Lionel Messi, Luis Suarez and Neymar combined to devastating effect as Barcelona swatted Celtic aside 7-0 at the Nou Camp to lay down a marker in Champions League Group C on Tuesday.
It was job well done for Novak Djokovic as he silenced Bernard Tomic and his Australian Fanatics with an emphatic 6-3, 6-3, 6-3 victory in the Wimbledon third round on Friday.
Photographs of the Day 4 play of the second Test between India and Australia being played in Brisbane.
Croatian ninth seed Marin Cilic reached the Wimbledon quarter-finals for the third year running after Kei Nishikori quit with a rib injury midway through their fourth round match on Monday.
'This was not the cleanest game of cricket you've ever seen -- there were too many flubs and fumbles for that. But it was certainly the semi-final this mostly blah tournament has needed -- two tough, well-rounded teams, toe to toe, slugging it out, bleeding and drawing blood until there was only one left standing.'
'For all practical purposes, the game ended at the break. The Irish bowlers had neither the pace nor the skill to compete against the Indian line-up; the lack of swing further blunted any edge they could have brought to the contest.'