Besiktas star Oguzhan Ozyakup has seen his value increase a whopping 2700 percent from just £425K in 2012 to £11.9m in 2016.
The former Arsenal academy player left the North London based outfit in pursuit of first-team football and has gone onto establish himself as one of the hottest talents in the Super Lig.
Ozyakup played a key role in Besiktas winning the league title last season scoring 10 times and providing eight assists.
Arsenal have been keeping close tabs on their former youth product but could face competition from Manchester United who are prepared to offer £20 million for his services according to the Daily Star.
United sent scouts to keep tabs on Ozyakup in his opening game of the season according a source close to the club told Turkish-football.com.
Ozyakup impressed his scouts with a man of the match performance, scoring the opening goal with a brilliant solo effort in the 4-0 win over Alanyaspor.
Ozyakup has revealed that he wants to return to England but that he is also currently happy at the Super Lig champions.
“I have never made any secret of wanting to play in England or Europe but I am focused on the Champions League right now and defending the league title,” he was was quoted as saying by Lig Tv.
The 23-year-old played a major role in Arsenal’s Under-18s side that won the Premier Academy League title in 2009 but joined Besiktas three-years later for regular first-team football.