[2] Subić left Borac and signed a four-year deal with FK Partizan, the last day of the summer 2015 transfer period, and took the jersey number 19.
Due to a red card in Augsburg, Subić missed the game in which Partizan hosted Athletic Bilbao.
[6] By the end of the group stage of the Europa League he played three more matches (against AZ Alkmaar, Athletic Bilbao and Augsburg).
[8] In his first game since his return to Borac, the club tied 0–0 in a league match at home against FK Mladost Doboj Kakanj on 17 August 2019.
[9] Subić won his first trophy with Borac on 23 May 2021, getting crowned Bosnian Premier League champions one game before the end of the 2020–21 season.