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.

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.