Botev Plovdiv stated that there was interest in Samuel Kalu from several clubs, but did not name them.

According to Sportal.bg, a transfer of Samuel Kalu to Levski is unlikely as he has signed a new contract with Botev Plovdiv. The same outlet notes that reports from Africa had previously stated that Levski was monitoring the player.

Levski are interested in signing Samuel Kalu, a 28-year-old Nigerian striker from Botev Plovdiv who is considered one of the club's top players. According to African media reports, there is also interest in Kalu from Swiss teams. Kalu joined Botev Plovdiv in September 2025 and his contract is valid until June 2027. He has 17 caps and 2 goals for the Nigerian national team. His current market value is €1.00m, according to Transfermarkt.