Gunners celebrated a 4 – 1 victory over the opponents in the Premier League on Sunday.
Martinelli opened the score to give his side the lead, while Bukayo Saka and Granit Xhaka joined him on the scoresheet.
As a result, Mikel Arteta’s side are now leading the league table, eight points clear of Manchester City.
After Sunday’s successful clash, Martinelli took to Instagram to share his excitement, writing: “I’ll never get tired of playing for this badge.”