Arsenal were ahead 2-0 but ended up yet to play a draw with the Premier League drain plug, Watford, as the two teams on Sunday met at the latter's home ground.
On a big Arsenal error and a penalty kick was Watford in the second half turned 0-2 to 2-2 and secured the season's second point.
Arsenal now have eight points after five matches in the seventh place and has not won in the last three showdowns.
Watford had the highest number of terminations on goal in the first half, but symptomatic of their position in the table, so it was in place Arsenal, who could go to the break ahead 2-0.
Pierre-Emerick Aubameyang opened the scoring after about 20 minutes. Gaboneseren received the ball with his back to goal in the box, turned and kicked it cool in the box.
Ten minutes later scored the Augameyang again, as he banged the ball into an almost empty goal after a tværaflevering in the field of Ainsley Maitland-Niles.
Watford came out well for the second half, but had to have help to get started in målscoringen. Arsenal defender Sokratis would play the ball out of their own field, but Gerard Deulofeu intercepted grækerens weak delivery.
the Ball ended up at Tom Cleverleys feet, and the former Manchester United player returned the favor by offset to 1-2.
the General was Watford clearly best in the battle's latter half, and with about ten minutes left of regular time equalized Roberto Pereyra on a penalty kick by David Luiz before on quite a clumsy show had committed.
the home Team was not ready to push on in front of Arsenal's goal, but Pereyras equalizing was the battle's last score.
Earlier on Sunday won the Philip Billing and Bournemouth with a 3-1 over Everton. The dane played the entire match for Bournemouth, who now have seven points after five matches in the Premier League knight.
Jonas Lössl was out with an injury for Everton and was not in the kamptruppen.
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