In fact, Sporting performed exceptionally well against Juventus. At one point, Sporting's performance looked like they would be able to beat Juventus in style. But the player of the Juventus team was able to score a goal in an extraordinary opportunity. And later, Juventus played a great defensive game which failed to pay for Sporting's goal.
yes, Sporting played well, in fact, they could have made 15 shots. much better than what Juve did. both teams have the same way of playing. even the two coaches used the same form of players in this match.
with a 1 goal advantage, Juventus are slightly favored in the second leg. but they will play at home to Sporting. and it could have surprised Juventus in the second leg. this advantage still does not make Juve comfortable. at least they can hold Sporting in the second leg.