Rio Ave defender Toni Borevkovic is attracting Premier League interest.
A Bola says Newcastle are keen on Croatia under-21 defender Borevkovic.
The 22-year-old has impressed for Portuguese side Rio Ave this season and the Magpies are one of a few teams reportedly tracking the centre-half this month.
The report claims Borevkovic is also being tracked by Blackburn Rovers and Bournemouth, as well as Bundesliga sides Borussia Monchengladbach, Wolfsburg and Augsburg.