Zenit St. Petersburg have signed central defender Vukasin Jovanovic from Red Star Belgrade, the Russian champions' website (www.fc-zenit.ru) said on Saturday.
The length of the contract with the 19-year-old, who represents Serbia at Under-21 level, was not given.
Jovanovic made his debut for Red Star in August 2014 and scored two goals in 32 games in the Serbian championship.
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Zenit are sixth in the Russian Premier League. They lost the first leg of their Champions League round-of-16 match with Benfica 1-0 and host the return leg in St. Petersburg on March 9.
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