Konyaspor,
Kocaelispor and
Hacettepe SK were relegated at the end of the
2008–09 season after finishing in the bottom three places of the standings. Konyaspor had to face demotion after six years in the highest Turkish football league. Kocaelispor returned to the
First League after just one year in the Süper Lig, while Hacettepe ended a two-year stint in the Turkish top flight. The relegated teams were replaced by
2008–09 TFF First League champions
Manisaspor, runners-up
Diyarbakırspor and promotion play-off winners
Kasımpaşa. Manisaspor and Kasımpaşa made an immediate return to the Süper Lig while Diyarbakırspor returned after a three-year hiatus. == Team overview ==