Anderson Talisca has been in wonderful form for Besiktas this season scoring 18 goals and providing five assists.
Talisca scored four goals in the Champions League group stage helping his side finish as undefeated group leaders before bowing out to Bayern Munich in the Last 16.
The Brazil international played an important role in Besiktas lifting the championship last season and has kept the Black Eagles in the title race this term.
The Istanbul giants do face a problem as Talisca is on loan from Benfica.
Besiktas want to keep the 24-year-old on a permanent deal but face growing competition.
Transfermarketweb claim that CSKA Moscow has have joined the race for Talisca and that they are prepared to make a substantial investment.
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Portuguese publication the Record meanwhile report that Liverpool, Everton, Milan, Marseille and Roma also want Talisca.
Per the source, Besiktas are in the best position to sign the attacking midfielder as they have a clause for €21 million.
Turkish-Football meanwhile, have reported that Liverpool have been keeping tabs on Talisca throughout the season.
A Bola meanwhile, recently reported that Manchester United also have their eye on the 1.91m attacker and are prepared to pay €40 million.