Arsenal new boy Thomas Partey, left, after coming on as a late substitute. PA
Manchester City attacker Sergio Aguero under pressure from Gabriel of Arsenal during City's 1-0 win in the Premier League. EPA
Assistant referee Sian Massey-Ellis brushes off Sergio Aguero after the Manchester City striker put his arm around her during the 1-0 win over Arsenal at the Etihad. Getty Images
Raheem Sterling, second right, celebrates after scoring what turned out to be the winning goal in the first half against Arsenal at the Etihad Stadium on Saturday. EPA
Arsenal defender Hector Bellerin, left, and City attacker Sergio Aguero battle for possession.
Manchester City manager Pep Guardiola, right, and his Arsenal counterpart Mikel Arteta. EPA
Arsenal's Nicolas Pepe heads at goal. PA
Manchester City defender Ruben Dias. Getty
Arsenal's Bukayo Saka. EPA
City attacker Raheem Sterling holds off the attentions of Granit Xhaka. EPA
Arsenal captain Pierre-Emerick Aubameyang. Getty
City's Phil Foden sees his shot saved by Arsenal goalkeeper Bernd Leno. EPA
Arsenal new boy Thomas Partey, left, after coming on as a late substitute. PA
Manchester City attacker Sergio Aguero under pressure from Gabriel of Arsenal during City's 1-0 win in the Premier League. EPA
Assistant referee Sian Massey-Ellis brushes off Sergio Aguero after the Manchester City striker put his arm around her during the 1-0 win over Arsenal at the Etihad. Getty Images
Raheem Sterling, second right, celebrates after scoring what turned out to be the winning goal in the first half against Arsenal at the Etihad Stadium on Saturday. EPA
Arsenal defender Hector Bellerin, left, and City attacker Sergio Aguero battle for possession.
Manchester City manager Pep Guardiola, right, and his Arsenal counterpart Mikel Arteta. EPA
Arsenal's Nicolas Pepe heads at goal. PA
Manchester City defender Ruben Dias. Getty
Arsenal's Bukayo Saka. EPA
City attacker Raheem Sterling holds off the attentions of Granit Xhaka. EPA
Arsenal captain Pierre-Emerick Aubameyang. Getty
City's Phil Foden sees his shot saved by Arsenal goalkeeper Bernd Leno. EPA
Arsenal new boy Thomas Partey, left, after coming on as a late substitute. PA