[4] It was in Spartak where Plavšić made his debut in the Serbian top flight for the 2014–15 season, and he played impressively particularly in a match against Red Star Belgrade.
[11] On 25 July 2023, Plavšić was transferred to defending Ekstraklasa champions Raków Częstochowa, with whom he signed a three-year deal, with an option for another year.
[12] He established himself as the first-choice left wing-back in the first half of the 2023–24 season before losing his spot to a winter arrival Erick Otieno.
On 20 February 2024, Raków announced Plavšić had suffered a MCL tear during a training session two days prior.
[14] Plavšić made his international debut for the Serbia national football team in a 3–0 friendly loss to Qatar.