The DR Congo international has joined the Portuguese champions for an undisclosed fee after three years at St. James’ Park.
Mbemba arrived at Newcastle United from Belgian outfit Anderlecht in July 2015. The 23-year-old made a total of 59 appearances for United, scoring once – on the final day of the 2016/17 Championship season, when the Magpies secured the title after a 3-0 win over Barnsley.
Centre back Mbemba links up with Porto in the week they welcome Rafa Benítez’s side to the Estádio do Dragão, with the two sides set to face each other in a pre-season friendly on Saturday, 28th July.