Galatasaray have announced the signing of midfielder Jem Karacan from Reading on a three-year deal.
The 26-year-old penned his first professional contract with Reading in 2007 after graduating from the club's youth academy.
Former Turkey Under-21 international Karacan scored one goal in nine games for the Royals last season.
Galatasaray were crowned Super Lig champions for a record 20th time last term.