Nathan Ake proved the unlikely match-winner as Manchester City edged out title rivals Arsenal 1-0 in a tense FA Cup fourth-round tie on Friday.
The Netherlands defender steered home a low shot in the 64th minute at the Etihad Stadium as City landed the first blow in their trilogy of clashes with the Gunners over the coming months.
Arsenal, the Premier League leaders, had enjoyed the better of the first half, with Takehiro Tomiyasu and Leandro Trossard both forcing good saves from Stefan Ortega.
Yet, while much had been made of the growing touchline rivalry between City manager Pep Guardiola and his former assistant Mikel Arteta, for a seventh time in eight meetings it was ultimately the old master who prevailed.
Relive all the action from the Etihad Stadium as Man City beat Arsenal in the FA Cup:
