Viviano played with Fernandes at Sampdoria and Sporting CP.
He recalled to TMW: "I was very supportive when he arrived in Genoa.
"Bruno always had everything, but in Italy he has evolved a lot in terms of intensity and tactical issues. His explosion was not a surprise, because he plays with his right foot, with left, he has strength and an inexhaustible lung.
"He is also a leader and United needed this."
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