I'm not necessarily saying that it can't work or that it would never be a good idea, but a lot of this discussion still seems to me to revolve around an idea that better players should be moved further forward, where arguably one of the most important tactical trends in the last 10 years or so has been moving good players *backwards* so that you can maximise the amount of ball playing skill in your team. 'Keepers like Alisson and Ederson are an ultimate expression of this, as are players like Matip. Do we want to move him into midfield because he's so good on the ball?
This hits the nail completely. Maybe it's an old deeply ingrained view where the fullback "ain't that magical", but anyone with two eyes would see the trend you mention.
Last 8 CL winners (excluding Chelsea and Inter):
2011: Barca (Alves as RB, his interplay with Messi being essential).
2013: Bayern (Lahm and Alaba, in that they were tremendous threats going forward, with Alaba being maybe the more magical one, actually having been moved around due to it but in 2019 you'd still say he's best at LB).
2014: Madrid (Marcelo and Carvajal, both tremendous threats going forward, with Marcelo the more magical one and being instrumental with his crosses, smart inside forward movements and key passes)
2015: Barca (Alves and Jordi Alba, speaks for itself).
2016-2018: Madrid (see above).
2019: TAA and Robertson
As others have said, *
maybe* TAA in another position will happen once this team runs its course, but so far, as yet another poster said, his
role is pretty clear and deadly -and benefits the team the most, as it did, having attacking fullbacks (including a magical one) for all the teams abov-, and he ain't moving.