In the FA Cup, Daegu made it to the quarterfinals, beating Gyeongnam FC in a penalty shootout in the round of 16.

In the quarterfinal itself, against Daejeon Citizen, the game finished as a one all draw, Daegu's goal coming from Lee Seul-Ki.

[1] Daegu FC also signed a memorandum of understanding with the regionalised 4th level of Argentinian football Torneo Argentino B side Deportivo Coreano on 31 August 2009.

The 2009 season also saw a change in the club's kit provider; Joma replaced previous supplier Lotto Sport Italia.

[3] On December 22, 2009, Daegu FC appointed Lee Young-jin as manager to lead the club for the 2010 season.

[5] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.