Mateo Kovacic from Dinamo Zagreb is new Modric. He played against Real Madrid 2 weeks ago in Champions League.
The Croatian has been compared to Messi as well as the likes of Diego Maradona by pundits in his country.
He is on Juventus, Arsenal and Real Madrid radar.
http://rsc.imscouting.com/global-news-article/Mateo-Kovacic-the-Croatian-Lionel-Messi/13501/?w=280