Manchester United who are eight straight games unbeaten under Ole Gunnar Solskjaerknocked out Arsenal in the fourth round last week but wi quickly face another tough test after Monday’s draw paired them with Maurizio Sarri’s Chelsea.
Welsh club Newport, are 14th in League Two, and have forced a replay at home to Middlesbrough after scoring an injury-time equaliser in a 1-1 draw at the Riverside over the weekend.
Newport who defeated Premier League side Leicester in round three could book a mouth watering clash with Pep Guardiola’s City if they upset Boro in next week’s replay.
Only seven top-flight sides remain in contention, with Crystal Palace handed a trip to Doncaster and Watford away to Portsmouth or QPR, while Wolves and Brighton face fourth-round replays.