Ighalos arrival at man utd has provoked a good reaction from martial keane

I think there may be a mistake here!

Erling Haaland's arrival at Manchester United has not yet happened, as he is currently playing for Borussia Dortmund. Additionally, Marcus Rashford (not Martial) and Harry Maguire (not Keane) are both Manchester United players.

If you meant to ask about a different topic or scenario, please feel free to rephrase your question!