Atalanta have reportedly opened talks with Gremio over a possible deal for striker Luan.
According to Globo Esporte, Atalanta are ready to add Luan to their attacking arsenal and the situation could develop quickly.
The 26-year-old has scored 72 goals in 274 appearances for Gremio and has two caps for Brazil, while winning Olympic gold in 2016.
Luan was previously linked with Barcelona.