After a rather hectic start to their new 2019/20 Champions League campaign, Barcelona are going back to La Liga this weekend and are facing a rather tricky opponent at that, as well.

Granada will welcome the Catalan giants on Saturday night and seeing how the mid-week result didn't really go Ernesto Valverde's way, a tweak or two to the existing blueprint would probably be welcomed, if not even expected.

Sharing the spoils with Borussia Dortmund at Signal Iduna Park is by no means a bad result, regardless of no goals scored by either of the teams. But Barcelona were quite blunt going forward, to say the least.

Sure, they controlled proceedings throughout the majority of the game, which is evident in their 59.2% possession, but they didn't really have anything to show for it.

Only seven shots in total and just one on target definitely leaves a lot to be desired and really emphasises how Blaugrana struggled to create any sort of danger for their German hosts. A big part of that, however, seems to lie in their forward trident or rather, in the two of their three attackers in the final third.

Antoine Griezmann and Luis Suarez both started together game for the second time this season and it was to a similarly bad effect. The Uruguayan was deployed as the team's centre-forward while the Frenchman was, therefore, pushed to the left-wing because of that.

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And it's really difficult to completely make use of Griezmann's skill set when he's out wide and not positioned more centrally. Even back on matchday one, we saw how little impact he had against Athletic Bilbao.

The same thing happened against Borussia Dortmund once again - Griezmann was out on the left and for the vast majority of the game, he had next to no real impact.

Defensively, sure, he did more than just his fair share of things with all of his tracking back, covering for his teammates and simply putting in the hard work, which we know he always does. The Frenchman ran 10.25km at Signal Iduna Park, which was the third-highest figure in the whole Barcelona team. Not to mention that he also tallied one tackle and two clearances under his name in the process.

Clearly, he's been very busy going backwards but what about his primary role? Barcelona only registered one shot on target and seven overall and Griezmann tallied only two, none of which hit their mark. He also had no dribbles and just one key pass with 56 touches in the process.

By all standards, a very quiet night for the Frenchman. And this is especially true when we compare it to his performances at centre-forward. Against Valencia, for example, the Frenchman registered three shots, two of which were on target, two dribbles and one assist. Against Real Betis, this was even better - two goals, one assist, seven shots with four on target, two key passes and 83 touches.

Definitely a much better performance overall. Of course, since this is still a small sample of only five games played across all competitions, it's difficult to state for certain that the change in position is affecting his performances so much.

But historically speaking, Griezmann has been more prolific as the team's centre-forward rather than their wide man. At Atletico Madrid, for example, from the 247 games Transfermarkt has recorded positions for, he played 121 as a centre-forward while only tallying 12 as the left-winger.

Quite clearly, he has a preferred position on the pitch and it's not on the left. For that reason, Valverde should not be striving to somehow make Suarez and Griezmann complement each other but rather push each to the limits by fighting for that spot up front.

Besides, with 32 years on his back already, the Uruguayan could probably be better used a super-sub rather than playing the whole 90 minutes of every single game. We saw how impactful he can be in the former role, as evidenced by the Valencia clash when he scored twice from the bench, and then how mediocre he can be in the latter one, courtesy of the Borussia Dortmund match.

As it currently stands, fielding them at the same time can only hurt both of the players and then ultimately, the team as a whole. Not to mention that Barcelona would basically be wasting a big-money signing by playing him out of position.

Now, where have we heard that one before?