Same thing I've been complaining about Eric ten hag, he is full of trial and error, when I noticed this was when he had issues with Cristiano Ronaldo, Ronaldo was obviously the best attacker united had that season, he started putting him on the bench, as if he had a better plan, some times he played him towards the end of the match, a player that is capable of turning around the game in your favour. I knew he was doing that to prove a point to Ronaldo, that he is under him his control as a manager, so can do whatever he wants.  David de gea was doing just fine with United, why on earth did he not renew his contract. Ten hag went and brought onana a colossal failure to team. Ten hag needs more learning, United is too big to be managed by a coach that doesn't have foresight.