It is unlikely that Flick will be able to increase anything, since he refused new transfers, given the financial situation of the club. Injuries will happen in any case, and of course Real Madrid have much greater depth in the squad and the Real bench is very high quality, I think Real could make another very decent team with players on the bench. If Flick faces multiple injuries, it will most likely be an unfixable situation for Barcelona, but there is no need to think ahead, problems need to be solved as they arise. Barcelona has a good squad that can compete even with Real Madrid.
Barcelona actually have a good squad that can compete with Real Madrid but we are talking about here is their plan B when plan A fails. When their major players go in injury especially long injuries, don’t you think of the depth it’ll affect the whole club’s performance. It could happen at the middle of the season and in crucial matches they need to win in order to maintain a good position on the table for the fight of the league title or in other competitions they will be participating it. This financial crisis is taking too long than expected and it’ll affect every coach that comes to manage team unless their plan A doesn’t fail and players are injury free throughout the season.