Filip Kosi (born 20 September 2002) is a Slovenian professional footballer who plays as a left-back for Bosnian Premier League club Sarajevo.
Career Kosi began his career with Mura, with whom he won the Slovenian PrvaLiga title in the 2020–21 season. He subsequently moved to Tabor Sežana, from where he was loaned to Drava in February 2022 before returning to Tabor Sežana at the end of the loan spell in June 2022.
On 8 July 2022, Kosi joined Beltinci, before transferring to Aluminij on 30 June 2023. Over three seasons with Aluminij, he won the Slovenian Football Cup and the Slovenian Second League title, and made 29 appearances, scoring one goal and providing three assists, in his final season with the club.
On 1 June 2026, Kosi signed for Bosnian club FK Sarajevo as a free agent, agreeing a contract until 30 June 2029. He made his debut on 9 July 2026 in a UEFA Conference League match against Inter Turku.
Career statistics Club
+ Appearances and goals by club, season and competitionClubSeasonLeagueNational cupContinentalTotalDivisionAppsGoalsAppsGoalsAppsGoalsAppsGoalsMura2020–21Slovenian PrvaLiga20——20Tabor Sežana2021–22Slovenian PrvaLiga80——80Drava Ptuj (loan)2021–22Slovenian Second League10——10Beltinci2022–23Slovenian Second League285——285Aluminij2023–24Slovenian PrvaLiga240——2402024–25Slovenian Second League27321—2942025–26Slovenian PrvaLiga25041—291Total76362—825Sarajevo2026–27Bosnian Premier League80001090Career total1238621013010
Honours Mura Slovenian PrvaLiga: 2020–21
Aluminij Slovenian Cup: 2025–26 Slovenian Second League: 2024–25
References