That claim is supported by Uruguayan outlet Referi who confirm the 22-year-old will not travel with the rest of his global team-mates back to Uruguay and is instead travelling to London, via Moscow, today to complete his move to Arsenal.
The Gunners have agreed a £26.5m (€30m) deal with Sampdoria for the midfielder.
Arsenal have long needed some steel in the centre of the park, and Torreira's ability to regain and retain possession under pressure should give them that.
But now I have more time my future will be very clear.
Steven N'Zonzi's move to Arsenal may now be in doubt as Premier League suitors queue up to sign the Frenchman.
However, according to French outlet Le10 Sport, West Ham and Everton are also desperate to sign the former Stoke ace.
New Arsenal boss Unai Emery has been eager to bring in a new midfielder at the Emirates this summer The Arsenal faithful will hope that the Spaniard breathes some fresh air into the club from next season onwards.
The Gunners have been busy in this transfer window, with Sokratis Papastathopoulos, Bernd Leno and Stephan Lichtsteiner heading to the Emirates.
It is claimed that Banega, who has a further two years left to run on his contract at Sevilla, has not even ruled out extending his deal for a further year, which would take him up to the age of 33.
The 22-year-old is highly regarded by a number of top European clubs, and according to Tuttomercatoweb, Arsenal are ready to make their move for the attacker.