He played under Ole Gunnar Solskjaer in United's reserves and then at Molde where Solskjaer was a real hit.
When the former United superstar left for south Wales, Daehli followed him.
"I just want to play first-team football and play for Ole," he said.
"I had the offer and accepted it. Ole is the reason I came here. I did have talks with United and there was a buy back clause.
"They had a chat with my dad but I wanted to play for Cardiff."