Anjorin, a boyhood Arsenal fan, was killed on Tuesday on a suburban east London Street in Hainault while on his way to school. Four other people were injured during the incident.
In less than two days, 5,000 people donated to a fundraiser for the family and Arsenal decided to pay tribute to the youngster during their Premier League clash at Bournemouth.
The Gunners conducted a minute of applause after 14 minutes had been played at the Emirates stadium, with Bournemouth and the fans taking part too.