I still think that Onana is an upgrade on the De Gea that we have seen for the past 5 years (since the 2018 World Cup), however the De Gea prior to the 2018 World Cup was a better keeper than the current version of Onana that we are seeing.
It is still very early days though, so I think it would be best to assess him after he's completed a full season at the club.
My actual preference was for us to sign David Raya for the following reasons:
- Premier League proven
- Available for a lower price than Onana, and would have freed up extra funds for us to use in other areas that needed strengthening
David Raya has had an impressive start to his Arsenal career...
Prior to last weekend's win at Everton, Arsenal had failed to record a win at Goodison Park since October 2017 (4 losses and a draw before they won there 1-0 last week with Raya making his Arsenal debut).
Raya then followed it up with another clean sheet in his very next game in Arsenal's 4-0 Champions League win against PSV.
...very early days when comparing David Raya and Onana, but in my opinion the smart money was Raya.