City thump depleted Hornets to seal third place, while Liverpool cement fourth spot ahead of Arsenal.
Liverpool need a minimum of a win against Middlesbrough to confirm a top four finish this season.
Brazilian international missed last weekend's drubbing of West Ham due to a muscle injury.
Pulis insists that Baggies would prefer to settle any deal between the clubs without going to a tribunal.
Former Arsenal star set up two goals to lead his side to a comfortable victory over Boro.
Goal-shy Teessiders' fate sealed at Stamford Bridge.
Blues and Boro play out clash with ramifications at both ends of the table.
Chelsea need two more wins to secure the Premier League title.
Daniel Ayala is struggling with an ankle injury, although Grant Leadbitter and Adlene Guedioura are both fit.
Blues go within three wins of the title while City are held by struggling Middlesbrough.
Manchester City will finish third in the Premier League if they win their remaining five games.
Three Lions boss "stunned and deeply saddened" by passing of former Aston Villa and Middlesbrough teammate.
Steve Agnew continues search for first Premier League win against the top four-chasing Gunners.
Wenger says it is not ideal for Bellerin to take part in the European U21 championship in the summer.
Ex-Middlesbrough star 'delighted' as Philippe Coutinho becomes Brazil's highest Premier League goal-scorer.
Chris Smalling has joined Gary Cahill and Phil Jones in being ruled out of qualifier against Lithuania.
Jose Mourinho's weary travellers rise to fifth after spoiling Steve Agnew's first game in charge on Teeside.
Middlesbrough host Manchester United in the Premier League clash on Sunday.
United have played 18 matches across all competitions in 2017.
Rooney, Martial and Schweinsteiger are all doubtful for Middlesbrough clash.
Former England winger is said to have clashed with Aitor Karanka before the Spaniard's dismissal.
Manager says United will 'probably lose' at Middlesbrough on Sunday after Rostov game.