The Pink Panther said:
The science behind how a goalkeeper can read which direction the ball will go is by watching the standing foot
In the "majority" of cases, the ball will be struck in the direction that the standing foot is pointing and in that brief moment as the penalty taker looks down at the ball, that's when the keeper should move.
That's the science, but it doesn't answer how to save one of Mario's when he doesn't look at the ball.
I don't blame him for not saving Balo's. However, I do think it's a fair expectation that excellent keepers should be saving 1/5. The stats on penalties show between 25-30% of penalties are unsuccessful depending on league and year (it's a long-term average across Europe). Obviously some of those are missed penalties, let's say half. So that still leaves a good 12.5-15%. Should an excellent keeper be saving 20-25%, I think that's within the bounds of reason. Were two of the penalties last night saveable had Hart not gone early? Yeah, I think so. By my reckoning Hart should be doing better. I won't apologise for having high expectations of someone who I consider the greatest shotstopper in the world right now. If that makes me a bellend, in the eyes of many on this thread, so be it.