Ferguson decided to plump for a deal worth £7.8m for Bebe instead, on the recommendation of then-assistant boss Carlos Quieroz.
"With feet like his, Bebe was able to score 20 goals per season," Ferguson told A Bola.
"We saw Hazard, but instead hired Bebe. Who would have bet that would not work?
"It is clear that he had a difficult childhood wandering the streets of Lisbon."
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