A point apiece means Arsenal remain top of the table on goal difference from Jurgen Klopp’s side but they have to go to the Etihad in three weeks with the gap to City currently only a point.
The Argentina midfielder struck from the spot to cancel out John Stones’ first Premier League goal since April.
In reality this game was never likely to point to the eventual champions but what it did serve up was a reminder that these two teams remain the top-flight’s standard bearers.
Whether that will remain the same after Jurgen Klopp’s departure in the summer remains to be seen but Pep Guardiola has still not won at Anfield in front of fans.
Nevertheless he left the happier of the two managers after enduring significant second-half pressure.