HITC Sport understands that Boro are hoping to finalise deal for Marten De Roon this week.
Aston Villa are reportedly keen on Watford shot stopper Romelu Lukaku.
The two players secured moves to Ibrox earlier this month.
The 30-year-old has been linked away from Newcastle United.
Tottenham Hotspur are in desperate need of a proven goal-scorer to provide Harry Kane with competition ahead of the new season.
Walters was a second-half substitute during Ireland's 2-1 defeat to France on Sunday, despite admitting he was not fully fit.
The West Ham United star has been the key man for France at Euro 2016.
The Leeds winger played a big role for Northern Ireland but suffered heartbreak in the last 16.
Glasgow Rangers manager Mark Warburton wants his side to demand the maximum from each other.
The young talent has been excellent for England so far this summer.
Adam Gemili described it as the “best feeling in the world” after straining to a narrow victory in the men’s 200m at the UK trials. There were smiles, too, for Danny Talbot, a hair’s breadth behind in second, who also secured his Olympic place. But at least one top British sprinter will shortly find his Rio ambitions shattered after a day of intrigue and drama in Birmingham.
Eddie Jones has demanded significant further improvement from his England players if they wish to feature at the 2019 World Cup in Japan.
For years Marcus Willis has played doubles and a bit of singles for peanuts in empty arenas in every tennis backwater from Kuwait to Charlottesville, Virginia. His Tour earnings would not pay for a holiday in Tenerife or a three-course meal for him and his dentist girlfriend, Jenny Bate.