Pep Guardiola has joked he may have to select a winger to play at centre half amid a defensive crisis at Manchester City ahead of their clash with Watford. The Premier League leaders take on Real Madrid in the semi-finals of the Champions League on Tuesday night.
City can go four points clear at the top of the table if they beat Watford on Saturday afternoon - with Liverpool not in action until Sunday afternoon in the Merseyside Derby against Everton at Anfield.
Kyle Walker is out with an ankle injury and fellow full-back Joao Cancelo is out of Tuesday's Champions League clash with Real Madrid through suspension. Nathan Ake and John Stones are struggling for fitness, so City could be left with just three defenders.