Newcastle United will need to find a way past Kyle Walker on Saturday. The Magpies face Manchester City at St James’ Park this weekend, with Paul Merson predicting Newcastle United to lose. Eddie Howe’s side will go into the game as underdogs. Newcastle United have not played well this season, while Manchester City are top of the Premier League after five games. Newcastle’s big players are not delivering, with the likes of Bruno Guimaraes, Alexander Isak and Anthony Gordon well below their best. Hopefully they rise to the occasion against Manchester City on Saturday, and Kyle Walker has been v…