Outside the football pitches in Qatar, but closely connected to what's happening in Qatar, a bragging rights battle is going on between Juventus and Bayern Munich.
Atm, Juventus are the most successful club at the WCs, with 25 World Cup winners, followed very closely by Bayern with 24, and Inter on 3rd with 20 WC titles and 19 winners (Meazza won it twice).
Juventus would prefer Argentina to win this WC, with Paredes and Di Maria, and no Bayern player, widening the gap on top. Inter also have one player in Argentina.
Bayern will definitely prefer France. Juve also have a player in France, Rabiot, but Bayern have 4, and if France win it, Bayern will become the club with the highest number of WC winners.
If Croatia or Morocco win it, Bayern will equalize Juve's record, having one player in each of these teams, with Juve having none, and Inter having Brozovic playing for Croatia.
As for other big clubs and the number of WC winners coming from their ranks, it's like this: Roma 16, Barcelona 11, Milan 10, Real Madrid 10, Dortmund 7, Arsenal 7, PSG 6, Liverpool 5, Chelsea 5, Manchester United 4, Atletico Madrid 2, Manchester City 1.