The ex-Gunners midfielder feels the Uruguay international has made a major difference to Unai Emery's side after his summer arrival from Sampdoria
Arsenal midfield pair Lucas Torreira and Granit Xhaka have underpinned Unai Emery's success in the early months of his tenure in north London, according to Ray Parlour.
The Uruguay and Switzerland internationals have started the last seven Premier League games together at the base of the Gunners midfielder.
And Parlour has drawn comparisons between the duo and the role Gilberto Silva played in the 'Invincibles' Arsenal side during the 2003-04 season.
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“Torreira’s changed a lot of that," Parlour told the Daily Star of Arsenal's midfield authority.