Pep Guardiola accepts luck could play a key part as Manchester City prepare to face Newcastle for a fifth time this season.City travel to St James’ Park in the FA Cup fifth round on Saturday having already played the Magpies twice in the Premier League and in a two-legged Carabao Cup semi-final this term.All those games have come in the last four months with Newcastle winning on Tyneside in the initial league encounter but City succeeding in the other three.
