brighton vs newcastleLewis Dunk vs Alexander Isak: Dunk will need to be at his best to contain Isak, who has been in scintillating form and is a constant threat in front of goal.; Bruno GuimarãesNEWCASTLE are taking on Brhton in a huge FA Cup fifth round clash RHT NOW! The Magpies took the lead through the returning Alexander Isak’s penalty on 22