Petar Ratkov transferred to Lazio Rom in the winter for 13 million euros. At the time of his departure from his previous club, he had scored twelve goals and was leading the club's internal scoring list. He was considered controversial at the runner-up club and was not particularly known for his scoring reliability. Ratkov has not yet scored his first goal at his new club.

Serbian centre-forward Petar Ratkov, aged 22, was acquired for 13 million euros. He has started in only two games for Lazio and could be made available for transfer if Sarri stays. Ratkov joined the club on 08/01/2026, and his contract runs until 30/06/2030. He has been capped 3 times for Serbia. His current market value, according to Transfermarkt, is €7.00m.