West Ham ruined Luton's homecoming to Kenilworth Road as David Moyes' men moved to the top of the Premier League with a 2-1 win on Friday
Chelsea boss Mauricio Pochettino suffered his first defeat as Michail Antonio's superb strike and Enzo Fernandez's penalty miss condemned the Blues to a 3-1 loss against West Ham on Sunday.
Harry Maguire has fallen out-of-favour at Manchester United, while James Ward-Prowse was part of the Southampton team which got relegated last season.
England midfielder Declan Rice has completed his transfer to Arsenal, the club announced on Saturday
West Ham United defeated Fiorentina 2-1 in the final of the UEFA Conference League at the Fortuna Arena Stadium on Thursday.
It is the second European trophy for West Ham after they won the now defunct Cup Winners' Cup 58 years ago with a team including England World Cup heroes Bobby Moore and Geoff Hurst
West Ham head to Brentford on Sunday on the back of Thursday's 2-1 win over AZ Alkmaar in the first leg of their Europa Conference League semi-final.
West Ham have won 12 of their 13 games in the competition this season, taking them to the brink of a first major trophy since the 1980 FA Cup.
De Gea's blunder came on the day on which he became the most-capped goalkeeper in Manchester United's history, appearing for the 540th time to move ahead of Alex Stepney.
Erling Haaland has reached 35 goals at a rate of one every 72 minutes in just 31 appearances.
Tottenham's bid to qualify for the Champions League suffered a hammer blow as they conceded five times in the first 21 minutes of a humiliating 6-1 defeat at top-four rivals Newcastle on Sunday
Marcus Rashford sent Manchester United back into the Premier League top four with the winner as the Red Devils beat Brentford 1-0 on Wednesday, while Newcastle won 5-1 at West Ham to stay third.
Newcastle avenged their League Cup final loss against Manchester United as Joe Willock and Callum Wilson clinched a 2-0 win that lifted the Magpies into third place in the Premier League on Sunday
Alejandro Garnacho and Fred struck late as Manchester United came from behind to beat West Ham 3-1 and reach the FA Cup quarter-finals on Wednesday but Tottenham were stunned by Championship side Sheffield United.
Premier League: Son Heung-min produced the perfect response after being dropped as the South Korea forward came off the bench to seal Tottenham's 2-0 win against West Ham on Sunday.
West Ham host Chelsea in a Premier League match at the London Stadium on Saturday.
Avoiding an embarrassing defeat against Derby was essential for the under-fire David Moyes, but it is Premier League survival that remains his top priority.
Liverpool and Chelsea did little for their chances of climbing into the Premier League's top four with an uninspiring 0-0 draw as a 2-0 defeat at West Ham pushed Everton closer to relegation