Roma have apparently made the first move for the coveted Dutch midfielder.
Ibrox side Glasgow Rangers, Barnsley, Birmingham City, Preston North End and Reading have been linked with Walsall striker Tom Bradshaw.
Pedro Pereira was named as the club's new director of football this week, and he has already set his sights on helping Forest return to the top flight.
The new Celtic manager has had his say on his predecessor's work.
Middlesbrough completed the signing of Espinosa on a free transfer on Wednesday.
Glasgow Rangers boss Mark Warburton has brought the midfielder to Ibrox, and he has taken little time to create some controversy.
Owls right-back Marnick Vermijl spent last season on loan at Deepdale.
The West Ham United midfielder has been the star of the show for France so far.
HITC Sport understands that striker is undergoing a medical.
Jurgen Klinsmann's side secured a 2-1 win in Seattle to progress to the semi-finals of the Copa America Centenario.