Erdal Sezek and Sami İzcican were most appeared (36) players, while Zafer Biryol was the top goalscorer with 16 goals.

Classification group winners were qualified to promotion play-offs, while bottom two teams relegated to 2009–10 TFF Third League.

In the third stage, the third team to be promoted was determined in promotion-play-offs played in one-leg elimination system in a neutral venue.

[2] Mersin İdmanyurdu (MİY) 2008–09 TFF Second League season first half game reports in Ranking Group 2 is shown in the following table.

[3] Mersin İdmanyurdu (MİY) 2008–09 TFF Second League season first half game reports in Promotion Group is shown in the following table.

Ali Kahramanlı, a businessman, was elected president in the club congress held on 24 September 2008 after fourth round in the first stage.

He was commonly mentioned with Adana sides who were main rivals of the fans, so he met with reaction, but he come down to the history of the club by the promotion to upper league in this season.

2008–09 Mersin İdmanyurdu head coaches Appearances, goals and cards count for 2008–09 TFF Second League Ranking and Promotion Group games.

[7] This season optional kit numbers selected by players were allowed for the first time in the league's history.

TFF organized Deplasmanlı Süper Gençler Ligi (DSGL) (Round-robin Super Youth League) in 2008–09.