Let's go quickly to the 2 match and here I will not say much.
Everyone who reads me knows about my sentimental feelings, but reality is as follows. PAO is worse than OSFP but with all that is done in Greek football, this difference (small or big depending on the years) seems chaotic with all the rest. The result is that the CPVO every year comfortably goes to CL each year and that is where the fight flies almost rarely, since the level of the group with few exceptions is not proportional to go further.
This year, things are even worse as the Piraeus team is clearly weakened compared to last year and so these defensive and aggressive problems will be more pronounced in CL that the level is superior to what the red team managed to get Greece.
Schalke for me is not something remarkable and very defensive is very vulnerable and I do not think it is unlikely that the CPVO will score. Meanwhile, the German team is definitely better and if they understand how to make a win today, I think they will be able to do so with good tactics.
In the end, I will not get much (the top 3 / 10), but I think today Schalke's attack will overtake the OSFP team and much more the world.