De Gea was only human and he did make a few mistakes through the years he was at United, having saved them on countless occasions! Getting rid of De Gea and splashed £47 million on Onana when other positions needed addition more was the first nail in the coffin of ETH’a reign at United! https://www.dailymail.co.uk/sport/football/article-14304385/Was-dumping-David-Gea-Andre-Onana-Man-Uniteds-biggest-mistake-former-Red-Devils-star-massively-outperforming-replacement-new-club-Fiorentina.html#