He shared the news on his social media page. He wrote;
Flying back tomorrow to Nigeria after visiting my sons in Istanbul. They are eligible to play officially for #besiktas u21 soon and have been training with the first team. See me standing on my toes so that I would not look so small in between them!
During the trial Nazim Amokachi and Kalim Amokachi impressed the club’s sport management and the boys were requested to stay for another week after which contracts were signed, according to reports.