Turkish Super Lig football club Besiktas has finalised a 15-year shirt sponsorship and stadium naming rights deal, from 2014-15 to 2028-29, with telecommunications company Vodafone.
The deal is reported to be worth a total of $145m (€108m).
Besiktas signed a memorandum of understanding with the company in June.
As part of the deal, the Istanbul club’s new stadium, which is expected to open next year, will be called Vodafone Arena for 15 years.
Besiktas will also carry the Vodafone brand on its shirts for five years, starting with the 2014-15 season, once its current deal with car maker Toyota finishes.
“This is not only Vodafone Turkey’s biggest deal, but also the biggest sponsorship deal in Turkish sports history,” Vodafone Turkey chief executive Gokhan Ogut said, according to the Hurriyet Daily News.