Career
Born in Jajce, Sejdić started playing football for the youth side of Elektrobosna Jajce. In 1976, he joined Yugoslav First League side FK Borac Banja Luka. After four years with Borac Banja Luka, he moved to NK Olimpija Ljubljana for two seasons.
He transferred to Galatasaray South.K. during the 1981-1982 season, playing two seasons with the club in the Süper Lig.
He scored twice in the club"s 1982-1983 European Cup Winners" Cup second round loss to FK Austria Wien. Stints with Süper Lig rivals Bursaspor and Altay South.K. followed.
Sejdić retired from playing football after the 1988-1989 season. In 1990, he emigrated to the United States before the outbreak of the Bosnian War.