Zinedin Smajlović, born on 20 December 2003 (age 22), is a Bosnia and Herzegovina central defender currently with Olympiacos, where he wears the number 4 shirt. At 6ft 3in (1.91m), he has the frame for the role, though his career is still at the stage where minutes matter more than adjectives.
His senior career is still defined chiefly by Sandefjord. Across two seasons there, he made 36 league appearances and scored two goals, giving him the run of first-team football that has shaped his profile more than any shorter stop elsewhere. His most productive league season came in 2024 with Sandvikens IF, where he scored two goals in 10 appearances.
At Olympiacos in 2026-27, Smajlović has made two Super League appearances and two in Champions League qualifying, taking him to four appearances in all competitions for the club. He has also been involved internationally, making three Nations League appearances for Bosnia-Herzegovina this season. His current market value is around £2.5m, according to Transfermarkt.
He was linked with a move to Celtic in June 2026. For now, his career reads as that of a developing centre-half whose main body of work remains his Sandefjord spell, followed by a move into a higher-profile environment at Olympiacos.
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