I'm no expert but this is why I can never understand why Grealish isn't tried more in the center.From a interview before we started targeting wingers and midfielders that dribble. Eze scores goals from outside the box , takes centre backs on. Causes them to break their shape exactly what Pep is describing
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Nothing can be done without dribblers. Attacking a team that is stuck in its own goal, without players who dribble, who do not get you superiority with moves into spaces, is impossible!”- Pep Guardiola
Wingers dribbling get them into a position to cross but more often than not the cross doesn't lead to real chances.
A person dribbling through the middle has to be phenomenal but they can cause total havoc. Free kicks in perfect positions for one. I think Grealish would achive that.
And if you have dribblers out wide too they can take advantage of the space created by people getting sucked into the center to defend.
Maybe I am an expert actually. Pep get over here boy and I'll sortcha.