Just like Spurs, City have not been at their best this season following a summer of upheaval at the club.
Villas-Boas is surprised that City have lost four games so far, but he still rates Sunday's opposition highly.
"They are a team full of great individual talent and they are very well managed," Villas-Boas said.
"At this stage on the season to see a team with four defeats is extraordinary but it reflects how competitive the league is this season."
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