Both players have struggled for form for much of the season, with Alexis Sanchez having started just one Premier League match in 2019.
Chelsea have 53 points from 27 games, one point ahead of London rivals Tottenham Hotspur and a point behind third-placed Liverpool in the race for Champions League qualifying spots.
Goals from Leroy Sane, Fernandinho and Raheem Sterling moved the leaders on to 28 points - equalling the best return after 10 matches of a Premier League season - as irresistible City took their campaign’s tally of league goals to a remarkable 35.
But the player had his heart set on a move to Liverpool, who beat Arsenal 4-0 in the league on Sunday, and rebuffed Chelsea’s advances.
English newspapers had linked Sanchez with a move to Pep Guardiola’s side in exchange for England forward Raheem Sterling.
Arsenal, who finished as runners up in the competition in 2000, begin this season’s European campaign at home against Cologne on 14 September.
According to reports in British media, Coutinho has submitted a transfer request after Liverpool rejected a second bid worth €100 million from the La Liga club.
Matic’s arrival followed Mourinho’s unsuccessful move for Tottenham Hotspur’s Eric Dier as United seek to mount a serious Premier League challenge.
City have spent over £200 million on transfers, according to British media, after Guardiola failed to win a trophy for the first time in his managerial career last season.
British media said Liverpool had accepted a bid of £5 million for Lucas, who was pictured on Sunday holding a Lazio scarf at an airport.
Wenger added that Chilean forward Alexis Sanchez had not agreed a new contract with the club, despite both the manager and his fellow players wanting him to stay.
Arsenal’s Mesut Ozil does not want contract talks to distract the club in the crucial run-in to the end of the season.
Wenger rejected the notion he would be tarnishing his legacy if he prolonged his stay.
It is alleged that a comment posted on social media by the Manchester City defender constituted improper conduct.
Sergio Aguero elbowed West Ham United defender Winston Reid during Sunday’s Premier League match.
Reports said that Liverpool’s owners had hired an investment bank to advise on the possible sale.
His team, which has lost only once in their last 18 games, are third in the Premier League.
