The Old Lady has been linked with the Gremio star for some time, but were not expected to make a move for Mattioni in the January transfer window.
Itasportpress says Juventus will announce the signing of the the 20-year-old in the coming days.
The Old Lady has been linked with the Gremio star for some time, but were not expected to make a move for Mattioni in the January transfer window.
Itasportpress says Juventus will announce the signing of the the 20-year-old in the coming days.
