Manchester City are aiming for a sixth successive Premier League victory, while Watford are looking for a fourth win in five top-flight fixtures.
Team news
Kevin De Bruyne (hamstring), misses out for Man City, as does fellow midfielder Fernandinho (groin).
John Stones (muscular) is also sidelined and Aymeric Laporte (thigh) is doubtful but Benjamin Mendy (knee) looks set to return.
Watford pair Kiko Femenia (illness) and Sebastian Prodl (hamstring) are available, meaning head coach Javi Gracia has a fully-fit squad.
Did you know?
Man City have never lost a PL match against Watford and have won the last seven in a row by an aggregate score of 22-3.
Sergio Aguero has 96 PL goals for City at Etihad Stadium. One more will take him level in third with Alan Shearer's 97 at St James' Park for the most goals at one venue in the competition. Only Thierry Henry (114 at Highbury) and Wayne Rooney (101 at Old Trafford) have scored more.
Only Aguero, with 10, has been directly involved in more PL goals in 2019 than Watford’s Troy Deeney, who has scored five times and provided three assists.
Watford have won three of their last four PL matches, as many as they had in their previous 15.
Referee: Paul Tierney
Assistants: Eddie Smart, Adrian Holmes
Fourth official: Chris Kavanagh