The four clubs sent scouts to keep tabs on Akgun during the Turkey Under-19's 1-0 victory over England U19s at Manavgat, Antalya on Tuesday.
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Bundesliga leaders Borussia Dortmund edged VfL Wolfsburg 1-0 away courtesy of captain Marco Reus' sixth goal of the season to go four points clear.
Bayern Munich ended a run of four matches without a win with a 3-1 victory at Wolfsburg in the Bundesliga despite having Arjen Robbben sent off.
Wolfsburg defender John Brooks believes the U.S. have a "bright future" with "good guys, young guys, hungry guys" coming through.
Kaylen Hinds, 20, joined Wolfsburg from Arsenal last summer, but only played in one match before being loaned out.
Dave Sarachan has confirmed John Brooks will head back to Germany following Friday's friendly against Brazil, and will miss the Mexico match.
U.S. national team veterans John Brooks and Fabian Johnson each scored for their respective clubs in Bundesliga action on Saturday.
John Brooks scored and Daniel Ginczek snatched a stoppage-time winner to help Wolfsburg stun Schalke 2-1 on Saturday.
Lyon lifted the Women's Champions League trophy for a third straight season by beating Wolfsburg 4-1 after extra-time in the final in Kiev.
Robin Knoche's goal 15 minutes from time ensured Wolfsburg kept their place in the Bundesliga after beating Holstein Kiel 4-1 on aggregate.
VfL Wolfsburg got off to a great start in their Bundesliga relegation-promotion playoff, beating second-tier Holstein Kiel 3-1 on Thursday.
Hamburg secured a potentially priceless 3-1 victory at fellow strugglers Wolfsburg to improve their chances of remaining in the Bundesliga.
Relegation-threatened Wolfsburg fired sporting director Olaf Rebbe on Friday after his unsuccessful attempt to hire general manager Horst Heldt.
United States international John Brooks was substituted 29 minutes into his Wolfsburg comeback on Friday to protect him following an early booking.
Following a listless performance and only 15 touches of the ball, Origi was substituted only 42 minutes into a 3-0 loss to Hoffenheim.
Divock Origi was hauled off after just 42 minutes at the weekend and has scored just five goals in 27 appearances for Wolfsburg.
Relegation-troubled Wolfsburg has hired Bruno Labbadia as coach to replace Martin Schmidt, who quit on Monday.
Martin Schmidt has quit as coach of relegation-troubled Wolfsburg with 11 rounds of the Bundesliga remaining.
Bayern Munich boss Jupp Heynckes felt for Wolfsburg after Robert Lewandowski scored a dramatic stoppage-time penalty to snatch a 2-1 victory.
Robert Lewandowski's late penalty helped Bayern Munich come back to extend their run to 13 wins in all competitions with a 2-1 triumph at Wolfsburg.