Pochettino, however, admitted his side had found it hard to break Rafael Benitez's men up until that point: "We knew how they play, so narrow and deep".More news: Mega Millions jackpot raised to $393M
The Magpies were forced into early chances in a goalless first half with Paul Dummett and Florian Lejeune coming off.
Rafa Benitez brought on Jamaal Lascelles and Chancel Mbemba as replacements for the two defenders. The deadlock remained going into the break, with the teams matching each other in every department.
"That's football. Mistakes do happen".More news: Donald Trump Takes Another Shot at Mitch McConnell for Obamacare Failure
However, the game turned three minutes into the second half when Shelvey, having tried to grab the ball from a prone Alli to take a quick free kick in front of the Newcastle penalty area, chose to reward the England midfielder's efforts to hold onto the ball with a step on the ankle, directly in front of referee Andre Marriner.
BBC Sports reports that instead, Spurs could have added to their lead as Harry Kane, last season's Premier League top scorer with 29 goals, struck the post in injury time. The game was now clearly in their favour and it was a matter of time before they would open the scoring.
"You learn from great performances but you learn a lot more from games like that".More news: Some Venezuela opposition parties to vie in vote