On the other hand PSG came up with a completely predictable line-up
PSG line up: Sirigu, Van der Wiel, Silva, Luiz, Maxwell, Verratti, Motta, Matuidi, Lucas, Ibrahimović, Cavani
Thanks goodness, no Pastore, he killed Barca last time.
So, Barca will line up like this:
Ter Stegen
No RB, Masche Pique Mathieu Bartra, no LB
Busquets
Iniesta
Messi goes wherever his genius takes him
Pedro Suarez Neymar
I remember Maradona fielded Albiceleste 2010 WC squads missing at least one fullback, this was not very successful. Removing Alba's superspeed against speedy PSG is a radical move, Lucas may do terrible, terrible things to this defense. Other than that concern, Lucho certainly has selected a high proportion of the defensive talent on the entire roster. One or two CBs can screw up, and there will still be plenty of CBs left to pick up the slack.
The players Lucho has selected have all been playing quite well recently (except maybe Busquets), I'd say they all deserve to start.