Both teams implemented a different strategy, Inter Milan played with repeated attacks because they are targeting victory at home while Atletico Madrid applied a defensive game and hoped that the match ended in a draw unfortunately Atletico Madrid's defense managed to break in the 80th minute and Inter Milan locked the victory.
It's not unusual to find Atletico Madrid defending in a game where they aren't sure of victory, especially when they are playing a better and in form side like Inter Milan. Worst still in this encounter, Inter is playing from a home side. Simeone would always try to defend and not conceive with hopes that, by some chance they night catch Inter Milan on a counter attack and get something out of it but, how well does this strategy works, you eventually get pressured to conceive. When your not taking the game to them and your defense is constantly been tested, they are sure to find the break at some point and get a winning goal.
AC Milan needs to be more attacking, they've got a squad that give them that attacking power.
As previously thought, Inter would take advantage of the home match to win in the first leg. Marko Arnautovic goal gave Inter Milan a 1-0 victory over Atletico Madrid, this result is certainly an important asset for Inter heading into the quarter-finals. Atletico were not able to do much in this match, Inter managed to lock them up with a very brilliant game. Inter's appearance this season is more competitive after reaching the Champions League Final last season. A performance like this is an important asset for Inter to win the UCL title, it is very realistic to be able to reach the final round again if they are able to maintain their performance.