Former midfielder Parlour is of the opinion that the Chilean is the only current Gunner who would be any chance of fitting into the 'Invincibles' side of 2003/04 who did not lose a match on the way to the Premier League title.
"I don't think the full backs would be good enough. Lauren was a great underrated player and Ashley Cole was fantastic," Parlour told Carlsberg's 'The Peoples Pundit'.
"In midfield, (Patrick) Vieira and Gilberto did a great job and (Robert) Pires was a very good player.
"The only one I could really see getting in would be Sanchez, on the right side of midfield.
"As for up front, none of them would have any chance of replacing (Dennis) Bergkamp or (Thierry) Henry. Not a chance."
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