Enlarge image
Timo Werner (r.) scored, but could not prevent defeat
Photo: Adam Davy / dpa
Thomas Tuchel suffered a setback with Chelsea in the London derby.
The team of the German team manager lost 2: 4 (2: 2) against Arsenal despite a goal by national player Timo Werner (17th).
In addition to Werner Cesar Azpilicueta (22nd) Chelsea scored a 2-2 lead.
The Gunners celebrated Eddie Nketiah's brace (13', 57') and goals from Emile Smith Rowe (27') and Bukayo Saka (90'+2/penalty).
Chelsea are third in the Premier League table, five points clear of both Tottenham Hotspur and Arsenal.
Manchester City fought back in the hard-fought title race and pushed Liverpool FC back from the top of the table.
The champions beat Brighton & Hove Albion 3-0 (0-0) on Wednesday and are now one point ahead of the Reds, who beat Manchester United 4-0 (2-0) on Tuesday.
Riyad Mahrez (54), Phil Foden (65) and Bernardo Silva (82) scored for Man City, who celebrated their 24th win in 32 games.
The German national player Ilkay Gündoğan was in the starting XI for team manager Pep Guardiola's team, while former Bundesliga professional Pascal Groß played for Brighton from the start.
mfu/sid