text: De Roon moved to Teesside in June 2016 for an initial £8.8m fee and played 33 Premier League games last term.
  The Netherlands international, 26, scored five goals in 36 league and cup games during his spell at Boro.
  Meanwhile, manager Garry Monk confirmed the Championship club's interest in signing Chelsea midfielder Lewis Baker.
  "He's a target and one of many that we've had throughout the summer months," said Monk.
  Find all the latest football transfers on our dedicated page.
target: Italian Serie A side Atalanta have re-signed midfielder Marten De Roon from Middlesbrough for an undisclosed fee, 14 months after selling him to Boro.