Mbemba and Sels have both left Newcastle this summer.
Mbemba has finally left Newcastle to join FC Porto.
Newcastle United are reportedly planning to make a swift move to replace Chancel Mbemba after his move away from St James' Park.
Celtic probably could have afforded the big defender, but will Brendan Rodgers regret not going for him?
Some Newcastle fans have responded to the confirmed exit of defender Chancel Mbemba.
Mbemba has been linked with a move from Newcastle to Porto for much of the summer window.
Newcastle United are keen to offload Chancel Mbemba, with Rafael Benitez aiming to raise funds.
Newcastle defender Chancel Mbemba appears to be on the move following reports he wants out of St. James' Park.
Newcastle United defender Chancel Mbemba is said to be keen to leave St. James' Park.
Anderlecht wanted to sign Matz Sels and Chancel Mbemba from Newcastle.