Juventus coach Max Allegri was left delighted with their 1-0 win against Champions League opponents Malmo.
Moise Kean grabbed the winner, which saw Juve qualify first from their group.
"It was a great evening for the result, but we wasted too many scoring opportunities. We cannot think we'll get far if we continue to waste all these chances," Allegri told Sky Italia.
“We must be more clinical, more determined when we are in front of goal. This is absolutely something we need to improve."
Allegri rotated the squad, giving 19-year-old Koni De Winter his first start at senior level in defence.
“It was a difficult match and we were able to break the deadlock early, but then failed to kill off the game with 2-0 so many times. We have to improve this, because we cannot keep games in the balance like this.
“I told the lads that a much more difficult match awaits us this weekend against Venezia, because none of them have faced Venezia before. I've been there, it's a beautiful city, but also a very difficult stadium to play in and we need a completely different performance to what we saw today.
“Their pitch is very narrow and they are aggressive. We must be organised and focused, above all improving our effectiveness in front of goal."
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