Joao Felix went against the advice of a former coach at Benfica when making a €126 million (£113m/$142m) move to Atletico Madrid, with Renato Paiva having urged him to join Manchester City or Barcelona.
Paiva worked with the exciting 19-year-old within the B team ranks at Estadio da Luz.
He has seen Felix transformed from a player deemed surplus to requirements at Porto to one now considered to have the world at his feet.
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Atletico are the ones hoping to benefit from that potential for the foreseeable future, with the Liga giants having won the race for a much-coveted signature over the summer.