Arsenal's rookie goalkeeper Arthur Okonkwo had an unfortunate debut, after making a howler which led to the Gunners falling behind in their first pre-season friendly ahead of the new season.
Just two days after the Euro 2020 final, Arsenal have began their preparations for the new campaign with a game against Scottish Premiership side Hibs.
Okonkwo who has in the past week signed a new long-term deal with the Gunners, was handed his first-team debut after impressing in the club's youth ranks last season.
Arthur Okonkwo made a mistake on his Arsenal debut to allow Hibs to take the lead
He tried to volley the ball clear from a tricky backpass but failed to connect with the ball
Okonkwo could then do nothing to stop Martin Boyle from going clear and tapping into the net
The 19-year-old though made a big blunder to hand Hibs a shock lead against the Premier League side.