Goalkeeper Joe Hart sought to play down his importance after Manchester City salvaged a 1-1 draw at home to Borusssia Dortmund on Wednesday.
England international Hart produced several exceptional saves to deny the impressive Bundesliga title holders in the Champions League clash at Etihad Stadium.
Borussia Dortmund coach Jurgen Klopp has backed his defence to take it up a notch after their recent poor performances.
The German champions play Manchester City on Wednesday, and Klopp has called for improvement as the club aims to defend its league title and make an impact in the Champions League.
Manchester City midfielder Yaya Toure says Wednesday's Champions League clash with Borussia Dortmund is a must-win match.
The energetic Ivorian revealed that last season's campaign - in which the Premier League champions failed to qualify from the group stages - was a 'disaster' for the club.
Borussia Dortmund coach Juergen Klopp is determined to come away with a positive result from their Champions League clash against Manchester City.
The 45-year-old feels Dortmund have learned from last year's experiences in European club football's elite competition, and believes they have what it takes to leave Manchester with at least one point from Wednesday's Group D encounter.
Every match appears crucial in the Champions League's 'Group of Death', with Manchester City hosting Borussia Dortmund on Wednesday.
The undisputed toughest pool of the 2012/13 competition, Group D features the title-holders of four major European leagues, with City (English Premier League) and Dortmund (Bundesliga) joined by Ajax (Eredivisie) and Real Madrid (La Liga).
Manchester City boss Roberto Mancini says he is delighted with Carlos Tevez's improved attitude this season.
The Argentine striker's career at City looked to be over after he refused to leave the bench to warm up against Bayern Munich in the Champions League last season, and did not play for over five months after being placed on gardening leave by the club.GOAL.COM - Global football news, transfer rumours and betting editorial
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