Martin Atanasov will play on loan at Rilski Sportist (Samokov), also referred to as "Rileco", until the end of this calendar year. The 24-year-old Bulgarian defensive midfielder is under contract with his parent club, Lokomotiv Plovdiv, until June 2028. Atanasov has 19 caps for the Bulgaria U21 national team, and according to Transfermarkt, his current market value is €350k.