United have been in decent form lately with 5 wins from the last 5 in the Premier League including wins against Chelsea, Liverpool and City since the turn of the year.
For Albion, ex-United defenderJonny Evans is a doubt with the defender recovering from a knee injury.
Realistically it was always a matter of when and not if City would become English champions for a fifth time following a dominant season from the blue half of Manchester.
"We must keep the focus, 100 percent".
West Brom had lost eight of their previous nine games and last won on January 13. On the right-side of the back four, Antonio Valencia is expected to start with veteran Ashley Young set to occupy the opposite side. Refusing to be drawn on the Frenchman's reported misgivings, Mourinho merely said that buying players to compete with Lukaku would mean further competition for other members of the squad.
Mata warned Manchester United that the Baggies will be fighting for their lives at Old Trafford this weekend. That one will stay with 2000-01 Manchester United by one day.
Foster comfortably stopped a hopeful long-range Paul Pogba attempt and raced off his line to thwart former West Brom teammate Romelu Lukaku, but the ex-United goalkeeper was fortunate not to be facing a penalty in the 18th minute.
The West Bromwich Albion centre-back is going to be one of the summer's bargain buys with his contract including a £3m release clause should the West Midlands club be relegated from the Premier League.
In the United States, the game will be shown on NBCSN at 11:00 AM ET.
But a United defeat against Bournemouth in midweek or a City win over Swansea City next Sunday would wrap up the silverware.
Manchester United have a complete squad apart from second-choice goalkeeper Sergio Romero who injured himself during the global break when on national duty with Argentina. The two results, in conjunction with each other, clinched City its third Premier League title.
Manchester United have kept a league-high 16 clean sheets this season, with 11 of those coming at Old Trafford - also the most in the league. "It's good for the Premier League as well".
With a nod perhaps to next season, Arsenal manager Arsene Wenger paired Lacazette and Pierre-Emerick Aubameyang up front and they combined for the goal, with Aubameyang clipping over a cross that Lacazette finished on the slide.
Jay Rodriguez proved to be the most unlikely of title-deciders when he stooped low to head the Baggies in front on 73 minutes.
The champions' dominance has been evident across an impressive 28 league victories.
Salomon Rondon has scored in six different Premier League games this season, failing to win any of them (D2 L4).
More importantly, though, it means Pep Guardiola's City team can not now be caught at the top of the table, thus handing the Catalan coach his first Premier League crown in just his second year in English football.