"That said, there will be chances for us in attack tomorrow night and the team that takes their opportunities will win".
Juve raced to a 2-0 lead through a brace from Gonzalo Higuain guian in the second and ninth (penalty) minutes.
Tottenham Hotspur's Danish midfielder Christian Eriksen (R) shoots and scores during the English Premier League football match between Manchester City and Tottenham Hotspur at the Etihad Stadium in Manchester, north west England, on December 16, 2017.
Allegri also said winger Douglas Costa could feature as last season's runners-up try to reach the last eight despite being underdogs having drawn the first leg 2-2 in Turin last month. "Tomorrow we are going to face one of the best teams in the world and in history".
"We know very well we are playing one of the best teams in Europe but we are a courageous team and we are very positive people".
Tottenham fans may remember that back in the 2011/12 season they finished in fourth place, but did not qualify for the Champions League courtesy of Chelsea winning the competition and stealing their spot despite finishing in sixth.
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Moving there for the entire 2017-18 home campaign, they started with a loss and a draw to leave them with just two wins in 12 games at Wembley since it re-opened in 2007. We improved our reputation in Europe after the group stage.
"I think it's a fantastic run at home", manager Mauricio Pochettino said.
"We are playing against one of the best teams in Europe, but we are a courageous team, positive people, that love the challenge and we all think we can win".
"It's important in this moment to show solidarity, and I think all our thoughts go to the family and friends of Astori".
The Old Lady find themselves in a hard situation as they will need to have the better of Mauricio Pochettino's men with the hope that they don't get any further goals.
Since losing to Chelsea in August, they've beaten Liverpool, Dortmund, Real Madrid, Manchester United and Arsenal there. When Chelsea initially won their only Champions League title they were not playing well at all in the league, which is the case this season too.