Fenerbahce
Fenerbahce coach Jose Mourinho was sent off as his side drew 1-1 with his former club Manchester United, while Tottenham Hotspur secured a narrow 1-0 win over AZ Alkmaar in the Europa League on Thursday.
En-Nesyri has signed a five-year contract, and media reported Fenerbahce paid a fee of 20 million euros ($21.70 million), surpassing their previous highest transfer fee paid, 15 million euros to Olympique de Marseille for Cengiz Under.
The 37-year-old, who played in Inter's Champions League final defeat by Manchester City earlier this month, has signed a two-year deal with the Istanbul-based club.
Arch Istanbul rivals Fenerbahce and Galatasaray on Sunday both claimed to be the aggrieved party after a fractious derby ended in nine cards and a mass brawl extraordinary even by the combustible standards of Turkish football.
The Turkish Cup semi-final between two of the country's biggest teams on Thursday was abandoned after the Besiktas coach was hit on the head by an object thrown by Fenerbahce fans.