Barcelona certainly did things the hard way against a hard-working and tactically superior Bayer Leverkusen in Tuesday's Champions League group match.
For long periods you would've thought that the visitors were actually the home side, such was their domination of all areas of the Camp Nou pitch.
Two goals in two minutes towards the end of the match gave the Catalans an unlikely victory and with Roma losing, incredibly, at Bate Borisov, Barca top the group after two games played.
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Let's take a look at three things that we learned from the game...
Roberto comes of age
Could we finally be seeing another La Masia product making a genuine and legitimate claim for a regular first-team starting berth.
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Clearly, Sergi Roberto now retains the confidence of manager Luis Enrique and that has had a profound effect on the youngster's general play.
Found to be a better right wing-back than midfielder by default, the extended run in the side has allowed Roberto to finally bed down and start to let his football do the talking.
A late introduction into this game, the balance swung firmly in Barca's favour when the player was introduced, albeit in his former midfield role.
Thanks to the injury to Andres Iniesta, who could be out for up to six weeks, the likelihood is that Roberto will slot in there. Just a few weeks ago he would've been overlooked but his form has given Luis Enrique some food for thought.
Mathieu out of his depth
As good as Sergi Roberto was, Jeremy Mathieu was at the opposite end of the spectrum.
Caught in possession on more than half a dozen occasions, the Frenchman was pushed too far forward and as a result was unable to get back quickly enough to snuff out any Leverkusen attacks which all stemmed from his side of the pitch.
He was at fault for the goal allowing Kyriakos Papadopoulos a free header, and his passing throughout was awful.
The sight of a returning Jordi Alba later in the match will have at least been some consolation, and almost immediately Leverkusen's success down that left side was stemmed thanks to a much more industrious contribution for the Spaniard.
Little Pea, big miss
Louis Van Gaal was keen to allow Javier Hernandez to leave Manchester United and after his miss at Barcelona, it's easy to understand why.
In the big moments you need your strikers to stand up tall and take their chances.
Had Chicharito done so when the goal was gaping, there is little doubt that the hosts wouldn't have come back to win the match.
At 2-0, Leverkusen could've afforded to shut up shop against a side that were beginning to exert a little more pressure as the half wore on.
As it was, the miss was Hernandez's last contribution of note before being hauled off. He'll look back on that moment wondering what might've been, knowing that Roger Schmidt's dreams of topping the group after two games had evaporated in that moment.
Will Barcelona go unbeaten in their Champions League group? Have your say in the comments section below!
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