Ruben Dias has completed a £62 million ($79m) move to Manchester City, signing a six-year deal after having impressed with Portuguese giants Benfica.
Nicolas Otamendi will move in the opposite direction to Benfica in a deal worth £14m ($17m).
Dias, 23, who could cost a further £3.3m with add-ons, says he cannot wait to work with City boss Pep Guardiola, a man he believes can improve his all-round game.
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“To have the opportunity to join a club like Manchester City is fantastic for me and one I couldn’t turn down,” he said.