The Senegal midfielder was introduced to Stoke supporters at half-time of Wednesday night’s 0-0 draw with Watford.
Galatasaray have released further details of the transfer to the public overnight, telling their fans that Stoke will cough up 15 per cent of any future profit on the player to the Turkish club.
Ndiaye, the club’s third most expensive buy, has signed a four-and-a-half year deal and is on standby to make his debut against Bournemouth on Saturday.
Galatasaray more than doubled their money on Ndiaye, 27, after paying just £6.5million to get him from Osmanlispor last summer.
Uwe Rosler was sacked by Fleetwood following a 3-0 reverse at Doncaster which condemned Town to a seventh straight defeat in all competitions.
Cambridge interim head coach Joe Dunne was pleased with how his side adapted to beat Grimsby 3-1.
Southend manager Chris Powell led the applause for Jason Demetriou after the right-back scored twice in the 3-1 win against Portsmouth at Roots Hall.
Morecambe boss Jim Bentley was the happier manager after Gregg Wylde's 90th-minute strike earned his side a point in their 1-1 draw with Forest Green.
Manager Gareth Ainsworth described Wycombe's 2-0 win at Cheltenham as a thoroughly professional performance.
Skipper Richard Wood scored the winner just before half time as in-form Rotherham pulled off a 1-0 victory at League One leaders Shrewsbury.