Massimiliano Allegri felt Juventus should have scored more against Young Boys despite Paulo Dybala grabbing a hat-trick in a comfortable 3-0 win.
Dybala's treble made sure the Serie A champions prospered without the suspended Cristiano Ronaldo, and they have now won their first two games in this season's Champions League campaign.
After volleying in Leonardo Bonucci's long pass to break the deadlock, the forward tapped in his second after goalkeeper David von Ballmoos failed to deal with Blaise Matuidi's low drive.
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His third arrived in the 69th minute courtesy of Juan Cuadrado's square pass, with the 24-year-old taking centre stage in the absence of Ronaldo.