Leicester have made a £5.25m bid for Poland's 19-year-old winger Bartosz Kapustka, according to Sky sources.
The midfielder was one of his country's most talked about players during Euro 2016 after starring in their win over Northern Ireland.
Sky Sports News HQ understands Premier League champions Leicester made an enquiry to his club side Cracovia during the Euros and have now submitted a bid.
However, they face competition for Kapustka's signature with clubs in the Premier League, Germany, Spain and the Netherlands all registering an interest.
Kaputska made his debut for Poland in September 2015 against Gibraltar and has won 11 caps for his country.
Leicester have already completed the signings of Nampalys Mendy, Ron-Robert Zieler and Ahmed Musa this summer.