Norwich City have signed Serbia international midfielder Mirko Topic on a four-year deal, with a further year's option.
The 24-year-old has played for Familicao in the Portuguese Primeira Liga for the past two seasons, after spending his first four years as a senior player with his hometown club Vojvodina.
The won the Serbian Cup in his first season with Vojvodina and has won four caps for his country.
"I'm very proud to now be a part of this club and this city," he told the club website.
"I spoke to [Canaries goalkeeper] Vladan Kovacevic a couple of weeks ago, and also the coach and sporting director.