Just seen the Dembele mention and I’d agree if you were to play him at CM a ball carrier like Dembele would be a similar(ish) play style but that is not the function of Pogba and Dembele was a lot more capable defensively than Grealish too. You’re not comparing like for like here you’re cherry picking a quality rather than considering why a player can play CM in a two.
Grealish hasn’t played in the two. He played as a free attacker in a 3 man midfield. The reason Pogba is so useful to us is his passing range. We don’t have someone in the side who can play that ball for counters as consistently as Pogba. Grealish would nullify that threat.
Eriksen and Cazorla also are both more accomplished passers. Grealish is more of a ball carrier/dribbler.
The arguments of the importance and differences of a 3 man midfield and 2 are not irrelevant... if you are willing to completely dismiss this then you’re not worth talking to.
Grealish isn’t a potential Pogba replacement and would not work next to Matic with Bruno ahead as a double pivot.
Dembele’s function for Spurs was essentially the same as Pogba’s is currently for us - an anchoring player alongside/ behind them and with them being in the team to link the play from the back to the front players and the specifics of how exactly they each go about progressing the ball isn’t terribly important. I could understand you rejecting me championing the idea of someone like Essien, Vieira, Khedira, Matuidi, Kante or other such box to box type fulfilling Pogba’s role as they would provide vastly different qualities from the same position, but Grealish is a creative player, a playmaker. Pogba, Modric, Kroos, Dembele, Thiago, Verratti, Rabiot, Arthur Melo, and previously Scholes, Xavi, Pizarro and the like - none of these players are identical, but they can all be broadly categorised together stylistically for no.8s and Grealish fits in with them for me. With the exception of perhaps Thiago and Verratti, I also wouldn’t say any of them were particularly stronger than Grealish defensively - all of them are/ were in their sides for what they provided on the ball as opposed to what they provided when the team was out of possession. Grealish is the same - he doesn’t excel in the defensive phases of the game but he is a willing worker and is diligent enough in carrying out his defensive tasks.
I haven’t seen Grealish playing in a two. A ‘free attacker in a three man midfield’ would be inaccurate in describing the role I have predominantly seen him play in a midfield three though. I acknowledged that playing as the most attacking player in a three man midfield is very different from playing in a deep midfield two, what I reject is the idea that playing as the ‘link’ between the most advanced, attacking, free player and the deepest, most defensive, anchoring player is similarly so. And that describes the role Grealish has generally had in a midfield three (and I would guess more by design than instruction - Grealish wants to come deep and take the ball, McGinn always wants to ‘go’ and join in in attack).
Grealish could potentially replace Pogba. Playing next to Matic with Bruno ahead of them is not dissimilar to the midfield setup he has been involved in with Hourihane and McGinn.
I see where you're coming from. I don't think Grealish would have a problem playing similar to Dembele in a double pivot. But where I'm concerned is that the midfield could be easily bypassed as Grealish wouldn't offer much defensively
As mentioned above, I don’t see it as being significantly different to having Pogba or any of the others referred to in that position. Generally, to have someone secure in his place would mean compromising on quality in possession.