It will be interesting as an appointment for the following reasons:
AC Milan supporters organised a petition to get his impending appointment as manager overturn and succeeded.
A West Ham website then organised a poll with 55% preferring to keep Moyes who they dislike.
Director of football and mark noble preferred other options but owner on the advice of an agent he is close to seems to think this is the best option.
He is apparently a Spanish version of Moyes in tactics terms
Sacked as Spain manager before World Cup for secretly agreeing deal to become Real Madrid manager
Sacked by real after two months including being their first manager to lose by four goals in his first game.
Then sacked by Seville in short time in 22
Walked out on wolves the week before the season started
If they give him a contract it will need a two week notice period