Adrian Clarke looks at key tactical points and players who can be decisive in Matchweek 4.
Out of possession his team have been compact and well-organised, while his defensive players have all shown outstanding resilience.
A fourth successive clean sheet will certainly be in Spurs' sights on Saturday when they make the short trip to south London to take on a Crystal Palace who have registered the fewest shots so far this season.
During this impressive run of shutouts Nuno's compact 4-3-3 has had to absorb plenty of pressure.
Spurs have faced 52 shots, the third-highest in the competition, and no top-flight goalkeeper has had to make more saves than the 12 of captain Hugo Lloris.
Nine of those stops came from efforts inside the penalty area by Lloris, who marked his club record 300th Premier League appearance with a clean sheet at Wolverhampton Wanderers in Matchweek 2.
The majority of his saves were routine, but a brilliant block with his left leg to deny Adama Traore in a one-against-one undeniably stopped Wolves from claiming a point.
In terms of preventing goals so far this season, Lloris currently leads the xGoT (Expected Goals on Target) goalkeeper standings.
He will again be key for Spurs against a Palace side determined to register their first win under new manager Patrick Vieira.
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EA SPORTS Player of the Month nominee Dier has been an especially dominant presence.
Defensive partner Sanchez is also in terrific form.
Sanchez, who must quarantine after going away with Colombia last week, will be a big miss at Selhurst Park.
When you study the data it is clear that Spurs have protected their own goal with great determination during the opening weeks of 2021/22.
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Spurs will also be without Cristian Romero this weekend, forcing Nuno into an unwanted defensive reshuffle.
Ben Davies could be the most obvious choice to partner Dier at Selhurst Park.
Sat in front of the back four, defensive midfielder Oliver Skipp is also an injury doubt after limping off for the England Under-21s this week.
So it looks like a much-changed unit will be charged with the task of preserving Spurs' perfect defensive record.