In the first round of the Champions League stage, Arsenal and Bilbao faced each other. In this game, Martineli scored in just 36 seconds after a substitute, and the Gunners won 2-0.

Martinelli became the fastest player in Arsenal's substitute in the Champions League. Looking at the entire Champions League, only Lukeman, last season, took a shorter time to score goals after making a substitute against Bruges (35 seconds).