Erik ten Hag’s side will begin their European adventure full of confidence after registering their fourth win on the bounce at the weekend.
Manchester United will host Arsenal in a Premier League fixture at the Old Trafford on Sunday evening.
At the end of five matches, Brentford have six points from five games. With one win, three draws and one defeat, the Bees are sitting 11th in the table.
Back-to-back victories in the league will be a welcome boost for Erik ten Hag following their poor start to the season.
Erik ten Hag found himself already under pressure after the Red Devils lost their opening two league games. But, they bounced back in some style to get past Liverpool.
It is not only Manchester United that will be eyeing their first win of the season, Liverpool are also winless from their opening two league games.
Despite all the pre-season optimism, Manchester United displayed familiar problems during the defeat against Brighton & Hove Albion.
A lot of players were linked with Manchester United in the summer, however, only three of them have joined the club so far.
Manchester United will host Rayo Vallecano in their final pre-season friendly of the summer at Old Trafford on Sunday.
Erik ten Hag’s team will take on Rayo Vallecano at Old Trafford almost 24 hours later, hence the fans can expect to see a lot of rotation in the squad.